Indian Journal of Pathology and Microbiology
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Histopathological spectrum of adult renal tumours: A Single center experience and review of literature

 Department of Pathology, VPS Lakeshore Hospital and Research Centre, Kochi, Kerala, India

Correspondence Address:
Renu S Paul,
Senior Consultant Pathologist, VPS Lakeshore Hospital and Research Centre, Kochi, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijpm.ijpm_53_21

Background: Renal tumors constitute approximately 3% of all malignancies in adults. They form a heterogenous group with variable morphological, immunohistochemical, and molecular features. Aim: The objective of this study was to analyze the spectrum of adult renal tumors at a tertiary care center and study the demographic and histomorphological features. Materials and Methods: In this study, 55/87 nephrectomy specimens resected for adult renal tumors during a 1-year period were analyzed retrospectively. Results: There were 4 benign (7.2%) and 51 (92.7%) malignant tumors. There was a male preponderance with a male: female ratio of 3.42:1. The tumors were seen to occur equally in both kidneys. The most common tumor was clear cell renal cell carcinoma (RCC), the conventional type accounting for 65.5% of our study group. There were one each of multilocular cystic renal neoplasm of low malignant potential, papillary RCC, chromophobe RCC, Mit family RCC, oncocytoma and angiomyolipoma and two clear cell papillary RCC during this 1-year period. Uncommon tumors included neuroendocrine carcinoma (1), epithelioid angiomyolipoma (1), mixed epithelial stromal tumor (1), Ewings sarcoma (2), and glomangioma (1). Five cases of urothelial carcinoma of renal pelvis/ureter also were present. Conclusion: This article gives an overview of the spectrum of adult renal tumors at a tertiary care center with an in-depth literature review providing recent advances in each category of tumors.

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