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INVITED EDITORIAL |
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The Hippocratic oath: A comparative analysis of the ancient text's relevance to American and Indian modern medicine |
p. 279 |
Chandrakant I Jhala, Khushboo N Jhala Hippocrates (460-375 B.C.), an ancient Greek physician considered the "Father of Medicine," constructed the groundwork for the principles of ethics in medicine over 2,500 years ago in his establishment of the Hippocratic Oath. One of the oldest binding documents in history, the text has remained the ethical template for physicians to this day. The changing cultural and social environment of modern society, accompanied by the advancement in scientific knowledge and therapeutic tools, has surfaced the need to reframe ethical perspective in modern medicine. Progress in aspects such as organ transplantation, stem cell technology, and genetic engineering has welcomed a new set of ethical dilemmas. These dilemmas have become intimately intertwined with the impact of commercialization, as seen by the interplay between legislation, health care, and pharmaceutical businesses. This paper seeks to dissect the principles of the original Hippocratic Oath and analyze the template in relation to the ethical dilemmas presented by contemporary medicine. Examination will provide a deeper understanding of the paradigm shift in modern medical ethics. Both the value of the Oath and the level of awareness of modern ethical dilemmas through the lens of American and Indian medical graduates will be assessed. |
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ORIGINAL ARTICLES |
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Crystal violet stain as a selective stain for the assessment of mitotic figures in oral epithelial dysplasia and oral squamous cell carcinoma |
p. 283 |
Kiran B Jadhav, BR Ahmed Mujib, Nidhi Gupta DOI:10.4103/0377-4929.101731 Background: Assessment of mitotic figures (MFs) is routinely practiced as prognostic indicator in oral epithelial dysplasia (OED) and oral squamous cell carcinoma (OSCC), but identification of MFs poses a problem in terms of staining characteristics. Aim: To evaluate effectiveness of crystal violet stain for staining of MFs and its comparison with hematoxylin and eosin (H and E) stain. Materials and Methods: Study sample includes archival tissues embedded in paraffin blocks diagnosed as OED (n = 30) and OSCC (n = 30). The control group comprised of tissue specimen from oral mucosa of healthy volunteers (n = 30). Two serial sections of each tissue specimen were stained separately with H and E stain and 1% crystal violet stain. The stained sections were observed under microscope for identification and counting of MFs. Data obtained was statistically analyzed by using the Man-Whitney U test. Results: A significant increase in number of MFs was observed in OED and OSCC in comparison with normal oral mucosa. There was a highly significant increase in number of MFs in crystal violet stained tissue sections when compared with H and E stain. Metaphase is the most commonly observed phase of mitosis in crystal violet stain when compared with H and E stain for all three groups. Conclusion: Crystal violet stain can be considered as selective stain for mitotic figures. |
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The expression and mutation of β-catenin in colorectal traditional serrated adenomas |
p. 288 |
Xiaojun Dai, Luping Wang, Liying Zhang, Ying Han, Guangzhi Yang, Lin Li DOI:10.4103/0377-4929.101732 Context : Exon 3 mutation of β-catenin is associated with the carcinogenesis. Aims: In this study we aimed to detect the expression of exon 3 mutations of β-catenin in colorectal TSA, TA/VTA, and CRC. Materials and Methods : Immunohistochemistry staining for β-catenin was performed for 30 TSA, 20 tubular adenomas (TA)/villous tubular adenomas (VTA), and 21 colorectal carcinoma (CRC) cases. DNA sequencing of the exon 3 of β-catenin gene was performed for 8 TSA cases, 6 TA cases, 5 VTA cases, and 10 CRC cases with positive staining in the nuclei and cytoplasm. Statistical Analysis: A Fisher exact test and chi-square test were used to analyze the differentiations of the expression of β-catenin in TSA, TA/VTA, and CRC. Results : The percentages of β-catenin expression in TSA, TA/VTA, and CRC were 76.6% (23/30), 70.0% (14/20), and 95.2% (20/21), respectively, and were significantly different among these three types of tissue specimens (χ2 = 22.805, P < 0.001). Although β-catenin expression levels in TSA were not related to it in TA/VTA, they were significantly different between TSA/TA/VTA and CRC. The degree of dysplasia was well correlated with β-catenin expression (TSA: P < 0.01; TA/VTA: P < 0.05). But β-catenin exon 3 mutations were not detected in any of these tissue specimens. Conclusions : Aberrant β-catenin expression is associated with the degree of dysplasia in TSA. β-catenin likely plays an important role in the pathogenesis of colorectal TSA and conventional adenomas. |
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Critical histopathological analysis of 25 dedifferentiated liposarcomas, including uncommon variants, reviewed at a Tertiary Cancer Referral Center |
p. 294 |
Bharat Rekhi, Pooja Navale, NA Jambhekar DOI:10.4103/0377-4929.101733 Background: De-differentiated liposarcomas (DDLSs) are uncommon tumors with a wide histopathological spectrum. Materials and Methods: Over an 8-year period (2003-2011), 25 DDLSs, after review, were critically analyzed for histopathological features. Results: Twenty-five tumors, in 14 men and 11 women (M: F = 1.2:1), with age range of 22-88 years (mean, 53.9), occurred in retroperitoneum (14) (56%), thigh (3) (12%), paratesticular region (3) (12%), chest wall (2) (8%), leg (1) (4%), shoulder (1) (4%), and groin (1) (4%). Tumor size (21 tumors) varied from 7.5 to 25 cm (mean, 17.5). Histopathologically, DD component was high grade in 19 (76%) and low grade in 6 (24%) tumors. Whereas the most common WD component was adipocytic type; the most common DD component was pleomorphic sarcomatous (13) (52%), followed by myxofibrosarcomatous (MFS)-type (6) (24%). Low-grade DD components included MFS (2), fibrosarcoma (2), myogenic/myofibroblastic type (1), and IMFT-type (1). Three tumors displayed meningothelial-like whorls and metaplastic bone formation. Heterologous elements, noted in 11 (44%) tumors, included bone (8) and rhabdomyoblastic differentiation (2). Two tumors displayed homologous differentiation, reinforced with MDM2 staining. S100-P was diffusely positive in WD components (5/7) and focally in DD components (2/9). All patients were treated with surgery, including 10, who underwent adjuvant radiotherapy. Outcomes (16 patients, 64%), over 1-48 months included 10 patients free of disease, 4 died of disease, and 2 patients alive with disease. Conclusions: This study forms the largest documentation of DDLSs, including its wide histopathological spectrum, from our country. Rare cases overlap with pleomorphic liposarcoma. S100-P and MDM2 are useful in substantiating adipocytic differentiation, especially in selected cases. Analysis of adequate tumor sections is vital for correct identification of a DDLS. Surgical excision with adjuvant RT forms optimal treatment. |
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Glomerulogenesis: Can it predict the gestational age? A study of 176 fetuses |
p. 303 |
Panduranga Chikkannaiah, Maitrayee Roy, Ranjit Kangle, Prakash V Patil DOI:10.4103/0377-4929.101734 Background: Accurate assessment of gestational age of fetuses is essential from both clinical and medico-legal point of view. Crown-rump length, crown-heel length, foot length, and the weight of the fetus are the commonly used parameters for fetal age assessment. However, this estimate often lacks accuracy and sometimes is necessary to combine other data. An analysis of the embryological development of nephrons in the kidney can assist in this determination. Objective : To correlate the gestational age with the histological study of sequential development of nephrons in fetal kidney. Materials and Methods: This study included 176 fetuses delivered between June 2009 and June 2011 and aged from 12 to 40 weeks. The number of glomerular generations counted in hematoxylin and eosin-stained microscopic sections of the kidneys were correlated with the reported period of gestation based on obstetrical methods. Regression analysis was used to determine the statistical significance of the correlation. Results: A high degree of statistically significant correlation was observed between the period of gestation and the number of glomerular generations (P value < 0.0001). Conclusion: The histological assessment of the number of glomerular generations in kidney can be used as a reliable method of estimating fetal age. |
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Correlation of p53 and KI-67 expression with grade and subtype of ependymoma |
p. 308 |
Lakshmi P Manasa, MS Uppin, C Sundaram DOI:10.4103/0377-4929.101735 Introduction: The morphological criteria for grading ependymomas were always felt subjective. Recently some studies have showed that Ki-67 and p53 immunolabeling are important prognostic markers in ependymomas. Materials and Methods: All the cases of ependymomas diagnosed from 2005 to 2010 were graded according to WHO classification for central nervous system (CNS) tumors 2007. Two tissue microarray (TMA) blocks were prepared. Immunohistochemical analysis with glial fibrillary acidic protein (GFAP), epithelial membrane antigen (EMA), Ki-67 and p53 was performed. The difference in expression of p53 and Ki-67 in various tumor grades and subtypes was evaluated using Student's t test. Results: There were 54 cases with a M: F ratio of 1.34 : 1, age ranging from 7 years to 65 years (mean 29.35 years). There were 33 intracranial and 21 spinal cases. There were 9 grade I ependymomas, 32 grade II ependymomas and 13 grade III ependymomas. GFAP immunopositivity was seen in all the cases and EMA was positive in 49% cases. The mean p53 indices were higher in grade III and grade II tumors (26.26% and 26.08%) as compared to subependymomas (7.25%). But these values did not show statistical significance (P = 0.2). The Ki-67 labeling index increased from grade I to grade III tumors. The difference was highly significant between grade II and grade III (0.5% vs. 2.75, P = 0.016). Conclusion: Ki-67 labeling index correlates with grade of ependymoma (P = 0.016). There is no correlation between p53 expression and grade of ependymomas. |
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A novel tissue microarray instrumentation:The HT-1 tissue microarrayer |
p. 314 |
Jun Yang, Mingjuan Zhang, Baoshan Su, XiaoLi Chen, AnJing Kang DOI:10.4103/0377-4929.101736 Background: Tissue microarray (TMA) is a novel and useful tool to efficiently analyze gene expression in histological tissues. Aim: Cost-efficient and easy to use automated tissue arrayers will provide a better instrumentation to generate TMAs. Thus, we designed and produced our tissue microarrayer to meet these needs. Materials and Methods: The HT-1 tissue microarrayer we designed and manufactured consists primarily of four parts, including an instrument to make array pores for the recipient paraffin blocks, a punch needle, an instrument for negative-pressure embedding, and a special manipulator. By using the HT-1, 14 different TMAs were made to accommodate 312 cases of tissues and TMA sections were tested by hematoxylin-eosin (H&E) staining, in situ hybridization, and immunohistochemistry. Results: Expand: Hematoxylin and eosin staining showed that the tissue cylinders were similar, even, and in order on the slides. Most importantly, the HT-1 microarrayer can make array pores in the recipient paraffin block with a single application in seconds. The HT-1 also contains a unique negative pressure system for embedding TMA blocks. In addition, HT-1 can make tissue cylinders with the same levels and depth for equally embedded and sectioning. Conclusions: The HT-1 tissue microarrayer is a device that is simple, economical and easy to use. |
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Genetic alterations in benign, preneoplastic and malignant breast lesions |
p. 319 |
Mehmet Esref Kabalar, Ali Karaman, Belkis Aylu, Sevilay Akalp Özmen, Ilknur Erdem DOI:10.4103/0377-4929.101737 Context: The c-erbB-2 proto-oncogene is a member of the epidermal growth factor receptor family and has been associated with a more aggressive breast tumor biology and resistance to some types of treatments. Aims: The aim is to investigate the correlation among bcl-2 and c-erbB-2 and the micronucleus (MN) formation in patients with early breast cancer (BC). Materials and Methods: This study was conducted between May 2010 and December 2011. We analyzed the MN frequencies in 15 patients with invasive breast carcinoma (IBC), 13 patients with intraductal proliferative lesion (IDPL) and 12 benign breast lesion (BBL). The sample consisted of 40 formalin-fixed, paraffin-embedded blocks of benign and malignant breast tissue. The specimens were evaluated for bcl-2 or c-erbB-2 immunoreactivity was semi-quantitatively evaluated in at least 1000 cells examined under the microscope at 40Χ magnification and recorded as the percentage of c-erbB-2 and bcl-2 positive tumor cells over the total number of cells examined in the same area. The percentage scores were subsequently categorized using the 5% cut-off point for positive staining. Results: The MN was significantly increased in IBC and in IDPL patients compared to BBL patients (3.82 ± 0.17 and 2.37 ± 0.52, respectively, vs. 1.61 ± 0.40, P < 0.001). On other hand, the MN frequencies in IBC patients were higher than those in IDPL patients (3.82 ± 0.17 vs. 2.37 ± 0.52, P < 0.01). c-erbB-2, had the highest record in IBC (60%), and the score was not observed in both IDPL and BBL: bcl-2 immunostaining was also assessed, the lowest recorded score was in IBC (46.66%) and the highest in both BBL and IDPL (100%). Furthermore, there was a significantly difference in the mean MN frequency between c-erbB-2 positive IBC patients (4.06 ± 0.48) and c-erbB-2 negative IBC patients (3.44 ± 0.39) (P < 0.05). Conclusions: Our results suggest that increased chromosome / DNA instabilities may be associated with the pathogenesis of early BC. |
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Clinicopathological spectrum of 19 adenosarcomas of female genital tract, including uncommon clinical associations and immunohistochemical profile, reviewed at a single institution |
p. 326 |
Bharat Rekhi, Kedar K Deodhar, Amita Maheshwari, Santosh Menon, Rajendra Kerkar, Jyoti Bajpai, Jaya Ghosh, Sudeep Gupta, Reena Engineer, Shyam K Shrivastava DOI:10.4103/0377-4929.101738 Background: Adenosarcomas of the female genital tract have been rarely documented as case series from our continent. Materials and Methods: Over a seven-year period, 19 adenosarcomas were critically reviewed. Results: Nineteen tumors occurred in the age range of 21-65 years (mean: 43), in the endometrium (8), endometrium and cervix (4), cervix (4), and ovary (3). Four cases displayed coexisting leiomyomas; two, adenomyosis; two on background endometriosis; and one in post-treated cervix carcinoma. Histopathologically, the tumors were low grade (10; 52.6%) and high grade (9; 47.3%), the latter with sarcomatous overgrowth (SO) (7/9 cases). Dedifferentiation (8, 42.1%) and conspicuous decidualization (2) were noted. Immunohistochemically, the tumors focally expressed CD10 (4/6), smooth muscle actin (SMA) (3/8), desmin (8/11); diffuse vimentin (7/7), and estrogen receptor/progesterone receptor (ER/PR) (2/4). Ki-67 (6 cases) varied 5-20%. Seventeen patients underwent surgery and four received adjuvant treatment (3/4 high-grade tumors). Five tumors recurred (4 high-grade tumors with SO) and one metastasized. Among 11 patients, five were alive with disease (AWD) (mean: 29.4 months) and six, free of disease (FOD) (mean: 15 months), the latter mostly with low-grade type tumors (83.3% cases). Conclusions: Diverse clinicopathological spectrum was noted within adenosarcomas. Low-grade tumors were less aggressive than high-grade ones, with SO. Immunohistochemically, lower CD10 and ER/PR positivity was noted in high-grade tumors. Surgery formed the mainstay of treatment. Adjuvant treatment was offered in high-grade subtypes, including in tumors with SO. |
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Kikuchi-Fujimoto disease in fine needle aspiration smears: A clinico-cytologic study of 18 pediatric cases and correlation with 68 adult patients |
p. 333 |
Dilip K Das, Bahiya I Haji, Ruaá A.A Al-Boijan, Zafar A Sheikh, Shahed K Pathan, Abul A.S.R Mannan DOI:10.4103/0377-4929.101739 Objective: Kikuchi-Fujimoto disease (KFD) is a self-limiting disorder which usually affects young women. There are only a few studies on pediatric KFD patients and their fine-needle aspiration (FNA) cytodiagnosis. We report a series of pediatric KFD patients diagnosed by FNA cytology and compare them with adults. Materials and Methods: By routine FNA cytology and through retrospective review smears initially diagnosed as reactive hyperplasia of lymph node during the years 2004-2009, 18 pediatric and 68 adult KFD cases were detected. The clinico-cytologic features of these two groups were compared. Results: The age of the pediatric patients ranged from 6 to 18 years with a median of 13.5 years and adult cases were aged 19 to 54 years with a median of 30 years. Only 1 pediatric case (5.6%) and 20 (29.4%) adult cases were initially diagnosed as KFD (P = 0.0604). Arab:non-Arab ratios were 4.3:1 among the pediatric patients and 1:1.5 for the adults (P = 0.0043). FNA smears were highly cellular in 4 (22.2%) pediatric cases and 37 (54.4%) adult cases (P = 0.0180). More than 5% Kikuchi histiocytes was present in 8 (44.4%) pediatric and 49 (72.1%) adult cases (P = 0.0474). No significant difference was observed in male: female ratio, frequency of head & neck lymphadenopathy, time (season) of presentation, and presence of neutrophils and capillary networks, etc. Conclusions: Besides observation and interpretation errors, a significant difference between the two groups in respect of some clinico-cytomorphological features could have influenced the routine cytodiagnosis leading to lower pickup rate of pediatric KFD cases as compared to adults. |
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The utility of p16 INK4a and Ki-67 to identify high-grade squamous intraepithelial lesion in adolescents and young women |
p. 339 |
Diane M Cavalcante, Iara M Linhares, Margarida M.L Pompeu, Paulo C Giraldo, José Eleutério DOI:10.4103/0377-4929.101740 Background: The repair of the immature squamous epithelium following HPV infection may mimic HSIL in adolescent women. Aim: to study the utility of p16 INK4a and Ki-67 in diagnosis of cervical squamous lesions in adolescents and young adults. Materials and Methods: In a cross-sectional study, the evaluation of p16 INK4a and Ki-67 immunohistochemistry was performed on 72 cervical biopsies of adolescents and young adults women diagnosed as negative for malignancy and intraepithelial lesion (NML) (n = 18) or positive for low grade (LSIL) (n = 31) and high grade (HSIL) (n = 23) squamous intraepithelial lesions in two references services in Fortaleza-Brazil. Data was evaluated using Fisher's test and Kappa index. Results: p16 INK4a was positive in 81% of HSIL, 19% of LSIL and in no NML (P < 0.0001). Ki-67 was positive in 74%, 32% and 5.5% of HSIL, LSIL and NML, respectively. p16 INK4a and Ki-67 in the diagnosis of HSIL showed high sensitivity and negative predictive value. Kappa index was very good for p16 INK4a (k = 0.72). Conclusions: In adolescents and young adults p16 INK4a alone or with Ki-67 represents important tool to reduce mistaken diagnosis of HSIL and to avoid overtreatment. |
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Thrombophilic molecular markers in young patients (<40 years) with coronary artery disease |
p. 343 |
Mingma Sherpa, Satendra Sharma, Rajnish Avasthi DOI:10.4103/0377-4929.101741 Background: There has been an alarming rise in the incidence of coronary artery disease (CAD) in India especially involving the age group of less than 45 years. In recent past, various studies focused on hemostatic aspects of CAD, but could not determine the significance of thrombophilic molecular marker in combination. The study was undertaken to investigate the association of thrombophilia related molecular markers in young patients with CAD. Materials and Methods: Thirty diagnosed patients with CAD of either sex under 40 years were included. Thirty healthy age and sex matched control subjects without evidence of CAD formed the control group. Detailed history and clinical examination findings were recorded. In addition to routine investigations, polymerase chain reaction (PCR) based molecular analysis for Factor V Leiden (FVL), methyltetrahydrofolate reductase (MTHFR) gene, tumor necrosis factor receptor 2 (TNFR2) gene, and prothrombin gene mutation were carried out. Results: The mean age (± SD) was 36.86 ± 3.90 years in the patients. Smoking was the most prevalent risk factor. FVL, MTHFR and TNFR2 gene mutation were seen in nine (30%) patient. Three patients had presence of more than one mutation. FVL, MTHFR and TNFR2 gene mutation was found in 4 (13.3%), 3 (10%), and 5 (16.6%) patients respectively. Prothrombin gene mutation was not seen in any of the subjects. There was no significant difference in lipid profile, fibrinogen levels and CRP among the patients with mutation and patients without mutation. Conclusion: Almost one-third of the cases were positive for the various mutations in the study and the presence of at-least one or the other risk factor adds on to the risk of future thrombosis. There is a need to demonstrate or document these mutations in a larger group further based upon ethnicity and geographic distribution. |
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Fluorescence in situ hybridization patterns of BCR/ABL1 fusion in chronic myelogenous leukemia at diagnosis  |
p. 347 |
Poonam P Jain, Mayur Parihar, Rayaz Ahmed, Aby Abraham, Auro Vishwabandya, Biju George, Vikram Mathews, Alok Srivastava, Vivi M Srivastava DOI:10.4103/0377-4929.101742
Background : Chronic myelogenous leukemia (CML) is characterised by the t(9;22)(q34;q11.2) which results in the formation of the BCR/ABL1 fusion gene. Occasionally, the t(9;22) may be associated with submicroscopic deletions of chromosomes 9 and/or 22 which appear to be associated with a worse prognosis. Three or four-way variant t(9;22) may also occur. All these changes as well as gain of the Philadelphia chromosome which represents disease progression can be detected by fluorescence in situ hybridization (FISH) analysis. FISH analysis at presentation is used to determine the number of cells with BCR/ABL1 fusion and establish whether the patterns are typical or atypical. Response to therapy can then be monitored by serial testing. Patients and Methods : The study group consisted of all patients diagnosed or suspected to have CML who had interphase FISH analysis at presentation on peripheral blood/bone marrow using a commercially available BCR/ABL1 dual colour, dual fusion probe. The study was performed at a tertiary hospital in India between 2004 and 2010. Results: There were 1076 diagnostic samples which were positive for BCR/ABL1 fusion. Typical dual fusion signals (two fusions, one red and one green, 2F1R1G) were seen in 801 cases (74 %). Atypical signal patterns were seen in 275 cases (26%). These were: 1F1R2G (4%), 1F2R1G (2.5%) and 1F1R1G (11%) representing deletions of the derivative 9 involving chromosome 9 sequences, chromosome 22 sequences, or both respectively; 3F1R1G (6.5%) usually representing gain of an additional Philadelphia chromosome and 1F2R2G (1%) representing a three- or four-way variant translocation. More than one signal pattern was seen in 1%. Conclusions: Our findings were similar to the literature with respect to the distribution of signal patterns except that we had a lower number of patients with variant translocations. While each signal pattern is typically associated with a particular abnormality, there can be more than one explanation for each pattern. Hence, metaphase FISH analysis is the "gold standard" for the interpretation of signal patterns. |
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Colonization of hospital water systems by Legionella pneumophila, Pseudomonas aeroginosa, and Acinetobacter in ICU wards of Tehran hospitals |
p. 352 |
Somayeh Yaslianifard, Ashraf Mohabati Mobarez, Bahram Fatolahzadeh, Mohammad Mehdi Feizabadi DOI:10.4103/0377-4929.101743 Background: Nosocomial infection caused by non-Enterobacteriaceae gram negative bacteria (GNB-NE) is increasing in intensive care units (ICU). Aim: The objective of this study was to determine whether potable water in ICU wards at Tehran hospitals is contaminated with L. pneomophila, P. aeroginosa and Acinetobacter spp. Materials and Methods: A total of 52 water samples from shower bath and taps water in seven hospitals of Tehran were collected. The water sample concentrated by filtering through millipore cellulose filters and cultured on BCYE agar and tryptic soya agar media. The presence of Legionella pneumophila was confirmed by real time PCR assay using primers-probe designed for the mip gene. Results: Legionella pneumophila, Pseudomonas aeroginosa and Acinetobacter were isolated from 5 (9.6%), 6 (11.4%) and 1 (1.8%) of the hospital water systems, respectively. This study demonstrated the presence of Legionella, Pseudomonas and Acinetobacter in water system in ICU wards of different hospitals in Tehran. Conclusions: Hot water from shower heads could be a potential source of infection for Legionella pneumophila. Water was also proved to contain Pseudomonas aeruginonsa, the main GNB-NE causing nosocomila pneumonia at Tehran hospitals. Care should be taken concerning cleanliness and decontamination of water supplies at ICUs for pathogenic organisms. |
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Phenotypic method for differentiation of carbapenemases in Enterobacteriaceae: Study from north India |
p. 357 |
Priya Datta, Varsha Gupta, Shivani Garg, Jagdish Chander DOI:10.4103/0377-4929.101744 Aims: Carbapenems are usually the choice of antimicrobials in infections caused by Enterobacteriaceae bacteria-producing ESBL (extended spectrum β-lactamases) and Amp C. Resistance to carbapenems is mostly due to production of enzymes - Carbapenemases, which are divided into Ambler Classes A, B and D. Phenotypic detection and differentiation of types of Carbapenemases in carbapenem-resistant Enterobacteriaceae (CRE) is important for proper infection control and appropriate patient management. Materials and Methods: The present study done in a tertiary care hospital from North India differentiates Class A (KPC type) and B (MBL type) carbapenemases among Enterobacteriaceae isolates by simple phenotypic method that uses both the inhibitors EDTA and phenylboronic acid. Results: Total of 330 strains of Enterobacteriaceae were included in the study. Out of these 330 strains, 26 strains were resistant to carbapenems. The prevalence of CRE in our Institute is 7.87% (26/330). Conclusions: The prevalence of Enterobacteriaceae strains producing MBL type carbapenemase in our health care setup is 5.75% (19/330). None of the strains among the carbapenem-resistant bacterial isolates showed production of KPC enzyme. The need of the hour is simple, rapid and cost effective tests which will be able to identify and distinguish resistant pathogens for improved patient outcome, facilitating efficient infection control and reducing the escalation of resistance. |
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Detection of resistance to linezolid in Staphylococcus aureus infecting orthopedic patients |
p. 361 |
Vaishali U Thool, Girish L Bhoosreddy, Bharat J Wadher DOI:10.4103/0377-4929.101745 Context: In today's medical scenario, the human race is battling the most intelligent enemy who has unending alternatives to combat with the potent elements they have produced against it. Aim: To study the resistance to linezolid among Staphylococcus aureus isolated from pus samples of orthopedic patients. Settings and Design: Pus samples were collected from dirty wounds of orthopedic patients undergoing long antimicrobial treatment programs. The sampling period was from July 2010 to June 2011. The samples were collected from different orthopedic hospitals of Nagpur (central India) representing a mixed sample of patients. Materials and Methods: One hundred pus samples were screened for S. aureus, by growth on mannitol salt agar (MSA), Baird-Parker agar (BPA), deoxyribonuclease test, tube coagulase test, and HiStaph latex agglutination test. Fifty-one S. aureus isolates were obtained which were further subjected to antimicrobial susceptibility testing by Kirby-Bauer disc diffusion method (DDM). Minimal inhibitory concentrations (MICs) were determined by an automated system, the VITEK 2 system. Also, Ezy MIC strip method was carried out in accordance with Clinical and Laboratory Standards Institute (CLSI) guidelines. Results and Conclusion: Twelve linezolid-resistant S. aureus (LRSA) isolates were recovered from 51 S. aureus cultures tested for susceptibility to linezolid using the DDM, VITEK 2 system, and Ezy MIC strip method. The emergence of resistance suggests nosocomial spread and abuse of antibiotic. |
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Analysis of clinical and biochemical spectrum of Wilson Disease patients |
p. 365 |
Sumreena Mansoor, Abdul Khaliq Naveed, Asifa Majeed DOI:10.4103/0377-4929.101746 Background and Aims: Wilson disease (WD) is autosomal recessive disorder of copper metabolism. Wilson disease patients usually suffer from hepatic or neuropsychiatric complications. The symptoms appear between ages five to 35 but it can vary from two years to 72 years. Materials and Methods : Study was carried out from June 2008 to November 2010. This study included nine families with eleven cases of WD to determine clinical presentation, diagnostic findings (including laboratory results) and liver histology. It included 11 patients who presented with hepatic manifestations and/or Neuropsychiatric manifestations and/or family history suggesting features of WD. Patients with hepatitis B and C and those with history of taking antipsychotic drugs were excluded from the study. Patient's data was included in a well designed performa. Liver function test, serum ceruloplasmin, serum copper, 24 hour urinary copper, blood complete picture were analyzed. Quantitative data such as age, hemoglobin etc were expressed as mean with ± SD and quantitative variables such as sex, movement disorders, hepatic involvement etc were expressed as frequency and percentage. Results: There were five male and six female patients with evidence of various manifestations here (i) hepatic in which they had only liver dysfunction (ii) hepatic and neurological (iii) neurological. The mean age of presentation was 8.7±3.92 years (range 4-19 years) and 45% were male patients. Decreased serum ceruloplasmin, enhanced 24-h urinary copper excretion and signs of chronic liver damage were confirmed in all patients and Kayser-Fleischer rings (KF rings) in 72% of patients. In severe WD patients, serum prothrombin activity was less than 50%, serum ceruloplasmin were low and serum copper levels were high than those in non-severe WD patients. High degree of suspicion leads to early treatment with good outcome. Conclusions: The WD is rare but important cause of chronic liver disease. Clinical and biochemical analysis in cases of patients with unexplained liver disease with high degree of suspicion can lead to early treatment with good outcome. |
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CASE REPORTS |
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Primary squamous cell carcinoma of the renal parenchyma |
p. 370 |
P Kulshreshtha, N Kannan, R Bhardwaj, S Batra DOI:10.4103/0377-4929.101747 No case of a primary renal parenchymal squamous cell carcinoma (SCC) has been reported previously in the literature although renal pelvic SCCs are well known. We report an unusual case in a 60-year-old lady who presented with significant weight loss. She was found to have a mid and lower pole left renal tumor with enlarged para-aortic nodes. A left radical nephrectomy and nodal dissection was performed and the pathological stage was T4N1M0. No adjuvant therapy was given. She is alive at 13 months post-surgery. |
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Huge uterine-cervical diverticulum mimicking as a cyst |
p. 372 |
S Chufal, Naveen Thapliyal, Manoj Gupta, Nirmal Pangtey DOI:10.4103/0377-4929.101748 Here we report an incidental huge uterine-cervical diverticulum from a total abdominal hysterectomy specimen in a perimenopausal woman who presented with acute abdominal pain. The diverticulum was mimicking with various cysts present in the lateral side of the female genital tract. Histopathological examination confirmed this to be a cervical diverticulum with communication to uterine cavity through two different openings. They can attain huge size if left ignored for long duration and present a diagnostic challenge to clinicians, radiologists, as well as pathologists because of its extreme rarity. Therefore, diverticula should also be included as a differential diagnosis. Its histopathological confirmation also highlights that diverticula can present as an acute abdomen, requiring early diagnosis with appropriate timely intervention. Immunohistochemistry CD 10 has also been used to differentiate it from a mesonephric cyst. |
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Urbach-Wiethe disease (lipoid proteinosis) |
p. 375 |
Ulku Kucuk, Isin G Erdogan, Umit Bayol, Nazife Hacioglu, Ibrahim Cukurova, Cengiz Bicakci DOI:10.4103/0377-4929.101749 Lipoid proteinosis is a rare autosomal recessive disorder of variable severity that may involve the skin, mucous membranes of the upper respiratory tract and internal organs that may display different clinical manifestations based on the site of involvement. A 34-year-old male patient was admitted to our hospital with a complaint of hoarseness present since childhood but had worsened in recent years. A dermatological examination revealed light brown papillomatous skin lesions on the dorsum of both hands and elbows present for a long duration. Endoscopic examination of the larynx revealed widespread mucosal thickening and irregularity. Microscopic examination revealed acid Schiff (PAS) positive, Congo red negative eosinophilic hyaline material deposits in the dermis and submucosal regions. The final diagnosis was lipoid proteinosis with skin and larynx involvement. This typical case has been reported to draw attention to the fact that lipoid proteinosis should be included in the differential diagnosis of patients presenting with hoarseness in childhood. |
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Bilharzial endocervical polyp |
p. 377 |
Ahmed E Eladl, Abdelhadi M Shebl, Wagdi F ElKashef, Khaled R Zalata DOI:10.4103/0377-4929.101750 Schistosomiasis still represents a major threat to women's health in many developing countries. The frequency in developed countries is increasing among immigrants and tourists who have a history of freshwater exposure in endemic areas. This is a case of 43-year-old immunocompetent Egyptian woman presented by abnormal vaginal bleeding. The gynecological examination revealed an endocervical polyp measuring 3 x 2 x 1 cm. Polypectomy was done. Histopathological examination revealed several granulomas containing viable eggs of Schistosoma hematobium. Schistosomiasis is rarely presented with endocervical polyp. In developing countries, schistosomiasis may be considered in differential diagnosis of patient with endocervical polyp. |
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Abdominal cocoon: Case report of a rare cause of intestinal obstruction |
p. 379 |
Ramakantha K Chatura, Vaibhav J Nayak DOI:10.4103/0377-4929.101751 Abdominal cocoon or sclerosing encapsulated peritonitis is a rare cause of intestinal obstruction often seen in adolescent girls. We present a case of an abdominal cocoon in a 14-year-old female presenting as a surgical emergency. The patient underwent excision of the involved segment of small bowel along with a part of ascending colon. Gross morphology revealed intestinal coils wrapped within a thick fibrous membrane. Diagnosis of this condition is seldom possible on radiological imaging. Characteristic gross appearance is showcased in our case, to create more awareness of this finding. |
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Wilms' tumor with right heart extension: Report of a post-chemotherapeutic fatality |
p. 381 |
Pradeep Vaideeswar, Jayashri P Chaudhari DOI:10.4103/0377-4929.101752 Wilms' tumor (WT) has a strong propensity to invade the vasculature in the form of tumor-thrombus, into the renal veins, and inferior vena cava and even into the right atrium. This cavo-atrial propagation does not alter the prognosis and pre-operative chemotherapy produces shrinkage to the extent of even disappearance of caval or atrial extensions. We present a case of sudden death due to hemorrhagic expansion of the intra-atrial component of WT, immediately after commencement of chemotherapy, an uncommon incident. |
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Invasive intestinal myiasis in a young male presenting as fungating rectal mass: An unusual presentation  |
p. 384 |
Malti Kumari, Madhu M Goel, Devendra Singh DOI:10.4103/0377-4929.101753 Intestinal myiasis is usually an accidental phenomenon which is transient and asymptomatic. It occurs due to intake of contaminated food or water containing fly larvae or eggs. We report a case of invasive intestinal myiasis presenting with complaint of pain, blood-mixed mucous discharge per rectum along with passage of maggots in stool. On proctoscopy an irregular fungating rectal growth with maggots was detected in rectum and anal canal. Excision of growth with diversion colostomy was done. On histopathology numerous variable-sized larvae in different stages of development were detected throughout the inflamed and necrosed bowel wall. No tumor was seen. With maintenance of proper hygiene, vermicide anti inflammatory and purgatives were given. Patient became alright after colostomy closure. The symptomatic presentation as a mass lesion and necessity for surgical intervention prompted us to report this rare case. |
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Pantoea agglomerans infection behaving like a tumor after plant thorn injury: An unusual presentation |
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Sarika Jain, Ishwar Bohra, Rakesh Mahajan, Sonal Jain, TD Chugh DOI:10.4103/0377-4929.101754 Pantoea agglomerans infections in humans are uncommon. Most common infections reported are septic arthritis or synovitis. We report the case of a 25-year-old, healthy male, who presented with indurated swelling over the posterolateral aspect of his right thigh, associated with pain for one month. Magnetic resonance imaging (MRI) revealed muscle edema with cystic areas in the posterior-most part of the vastus lateralis of the right thigh. The condition was clinically diagnosed as a right-sided benign tumor of the vastus lateralis muscle. However, Pantoea agglomerans was isolated on a culture of the excised muscle tissue. On the basis of the awareness of the common association of Pantoea with penetrating trauma by vegetation, the patient was asked to recollect any prior such injury. He then gave a history of a fall in the field and a plant thorn prick in the thigh four years back, when he was an agricultural worker. We emphasize the importance of Pantoea agglomerans infection of the soft tissues that can have an atypical presentation as a non-suppurative, indurated, muscle cyst in our case. Thorn injuries are usually ignored as trivial incidents, however, Pantoea infections should always be borne in mind when encountering soft tissue lesions, as antibiotic treatment is required for complete resolution of the lesion. |
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Left-sided giant adrenal myelolipoma secreting catecholamine |
p. 389 |
Sujatha Udupa, M Usha, RN Visweswara, MG Desai DOI:10.4103/0377-4929.101755 Adrenal myelolipoma (AML) is a rare benign tumor composed of mature adipose and hematopoietic tissue. Most of these patients are asymptomatic and the tumors are non-secreting. We present a case with a large functional adrenal myelolipoma, wherein the patient was hypertensive and biochemistry revealed increase in 24 hours urinary Vanillylmandelic Acid (VMA), a metabolite of catecholamine. The mass was removed surgically and diagnosed as adrenal myelolipoma on histopathological examination. Both his blood pressure and urinary VMA returned to normal following surgery, which suggested that the mass was functioning and was secreting catecholamine. To the best of our knowledge, a catecholamine secreting adrenal myelolipoma has been reported in the literature only once previously. The association of hypertension and adrenal myelolipoma may not be entirely coincidental, as it may be associated with secreting catecholamine, as seen in our case. We also review the literature on functioning adrenal myelolipoma. |
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Low grade mucoepidermoid carcinoma in a setting of Warthin's tumor |
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Manisha Mohapatra, S Satyanarayana DOI:10.4103/0377-4929.101756 Warthin's tumor also known as papillary cystadenoma lymphomatosum is a common benign salivary gland neoplasm that occurs exclusively in parotid gland. Rarely, the tumor can undergo carcinomatous or lymphomatous transformation of epithelial or lymphoid component, respectively. Herein, we describe a case of 55-year-old female who had undergone parotidectomy for a rapidly growing tumor in the right parotid gland. The case was diagnosed as mucoepidermoid carcinoma developed in a setting of Warthin's tumor based on the histomorphology, special staining characters, and immunohistochemical findings. The pathogenesis and differential diagnoses of such rare malignancy has been discussed briefly. |
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Retroperitoneal sclerosing PEComa with melanin pigmentation and granulomatous inflammation-A rare association within an uncommon tumor
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Bharat Rekhi, Mukund Sable, Sangeeta B Desai DOI:10.4103/0377-4929.101757 PEComa, defined as a perivascular epithelioid cell tumor, displays a wide clinicopathological spectrum. Lately, a sclerosing PEComa has been identified as its distinct variant, but with limited documentation, in view of its rarity. Herein, we describe an uncommon case of a 53-year-old lady, who was referred to us with pain abdomen. Radiological imaging disclosed a well-defined, hypodense retroperitoneal mass. The excised tumor was a round, encapsulated soft tissue mass measuring 7 cm with a tan-brown cut surface. Microscopy showed uniform, epithelioid cells with clear cytoplasm, focal melanin pigmentation and mild nuclear atypia, arranged in sheets and nests around capillary-sized vessels in a dense sclerotic stroma. Additionally, co-existing epithelioid granulomas were noted. On immunohistochemistry (IHC), tumor cells were diffusely positive for HMB45; focally for desmin and smooth muscle actin (SMA), while negative for EMA, CD10, S100-P, Melan A, CD34, AMACR and CK MNF116. This case reinforces sclerosing PEComa as an uncommon, but a distinct clinicopathological entity and exemplifies diagnostic challenge associated with it; necessitating application of IHC markers for its correct identification. Presence of melanin pigment and granulomatous inflammation in the present tumor constitute as novel histopathological findings in a sclerosing PEComa. |
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Vanishing bone disease (Gorham's disease) - A rare occurrence of unknown etiology |
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Sumit Ray, Subhalakshmi Mukhopadhyay, Ranjana Bandyopadhyay, Swapan K Sinha DOI:10.4103/0377-4929.101758 A 20-year-old male patient presented with painful swelling around left elbow joint. Radiographic examination revealed osteolytic lesion with pathological fracture of lower end of humerus and upper radius. Upper end of ulna was completely absent along with bony erosion. Histopathology of the bony tissue revealed hemangioma-like lesion composed of vascular channels lined by benign endothelium replacing bone. The diagnosis of Gorham's massive osteolysis was made. Gorham's disease is a benign self-limiting condition affecting any age, may involve any part of the skeleton and is characterized by replacement of bone by hemangiomatous tissue resulting in formation of lesions exhibiting massive osteolysis, which may be to the extent of disappearance of the affected bone in radiograph. This nonhereditary case was not associated with nephropathy, which is often a coexistent condition. The case is being reported for its rarity. |
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Cerebellar malignant fibrous histiocytoma |
p. 402 |
Ibrahim Gelincik DOI:10.4103/0377-4929.101759 Malignant fibrous histiocytoma (MFH) is uncommon within the central nervous system. MFH is a malignant tumor composed of a mixture of fibroblastic and histiocytic cells, and is also known as pleomorphic fibrous xanthoma, malignant fibrous xanthoma, and pleomorphic fibrous histiocytoma. It is a pleomorphic sarcoma originally found in soft tissue and there are few reported cases within the central nervous system, in particular the cerebellum. To the best of my knowledge, this is third case arising from the cerebellum. This tumor is difficult to diagnose and may be difficult to treat. |
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Cutaneous metastasis of testicular choriocarcinoma, diagnosed by fine-needle aspiration cytology: A rare case report and review of the literature |
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Bita Geramizadeh, Hanieh Rad DOI:10.4103/0377-4929.101760 Skin metastasis of testicular choriocarcinoma is very rare. Until now about nine cases have been reported in the English literature; however, only one of them has been diagnosed by fine-needle aspiration (FNA) cytology. Herein, we report our experience with FNA cytology diagnosis of a metastatic testicular choriocarcinoma to the skin of chin. The combination of highly atypical mononuclear cells (cytotrophoblasts) and multinucleated malignant cells (syncytiotrophoblasts) are characteristic of metastatic tumor in a known case of choriocarcinoma of testis. |
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Systemic mastocytosis with associated acute myeloid leukemia with t (8; 21) (q22; q22) |
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VS Gadage, PS Kadam Amare, KS Galani, N Mittal DOI:10.4103/0377-4929.101761 Systemic mastocytosis with associated clonal hematological nonmast cell lineage disease (SM-AHNMD) is a subtype of mastocytosis associated commonly with myeloid neoplasms, Non-Hodgkin's lymphoma, or other hematological neoplasms. In these conditions, mastocytosis needs to be differentiated from mast cell hyperplasia or mast cell activation states. Neoplastic nature of mastocytosis is proved either by morphology, aberrant immunophenotype, or detection of point mutation at codon-816 of c-kit gene. This is a rare entity, even more so in pediatric population. Herein, we report a case of 14-year-old girl with SM associated with acute myeloid leukemia with maturation with t(8;21). Multifocal dense infiltrate of spindle-shaped mast cells on bone marrow aspirate and biopsy with coexpression of CD2 and CD25 by flow cytometric analysis proved the SM component at the time of diagnosis and persistence at post induction status also. |
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IMAGES |
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Inflammatory pseudotumor of the biliary tract |
p. 413 |
R Subhash, ML Arunkumar, Bonny Natesh, Laila Raji DOI:10.4103/0377-4929.101763 |
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LETTERS TO EDITOR |
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Lipoid proteinosis: A rare clinical entity |
p. 415 |
Goyal Puja, Mukherjee Bipasha DOI:10.4103/0377-4929.101764 |
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Gastric post transplant lymphoproliferative disorder in a cytomegalovirus positive live related renal allograft recipient: A single case study |
p. 416 |
Pallav Gupta, Anjali Solanki, Narendra Krishnani DOI:10.4103/0377-4929.101765 |
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Fetal immature teratoma causing intrauterine death |
p. 418 |
Sakshi Choudhry, AS Kataria, S Sharma, H Singh DOI:10.4103/0377-4929.101766 |
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Nevus sebaceous at unusual location: A rare presentation |
p. 419 |
Nesrin Ugras, Gonca Ozgun, Saduman Balaban Adim, Kemal Ozerkan DOI:10.4103/0377-4929.101768 |
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Can multilocular cystic nephroma be a harbinger of multilocular cystic renal cell carcinoma? |
p. 420 |
Neha Kawatra Madan, Meenu Pujani, Monisha Choudhury, Manoj Andley DOI:10.4103/0377-4929.101769 |
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Dominant β-thalassemia - A rare entity! |
p. 422 |
Rachna Khera, Tejinder Singh DOI:10.4103/0377-4929.101770 |
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Thrombocytopenia, giant platelets and Leukocyte inclusion bodies in a patient presenting with vaginal bleeding |
p. 423 |
Manujasri C Wimalachandra, Manurie G Prabashika, Lallindra V Gooneratne DOI:10.4103/0377-4929.101771 |
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Myxoid chondrosarcoma of the cricoid cartilage |
p. 424 |
Emina Babarovic, Gordana Zamolo, Milodar Kujundzic, Niko Cvjetkovic DOI:10.4103/0377-4929.101772 |
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Transient myeloproliferative disorder in Down's syndrome |
p. 426 |
Vinayak Y Kshirsagar, Minhajuddin Ahmed, Sylvia M Colaco, Manal Ahmed DOI:10.4103/0377-4929.101773 |
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BOOK REVIEW |
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Metabolism Meets virulence: International Symposium on Metabolism and Bacterial Pathogenesis |
p. 428 |
S Satyanarayana, AK Praharaj |
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