Indian Journal of Pathology and Microbiology
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Year : 2023  |  Volume : 66  |  Issue : 1  |  Page : 14-18

Kocuria kristinae - An unusual opportunistic pathogen in head and neck malignancy: Case series from central India's regional cancer care centre

1 Department of Microbiology, Rashtrasant Tukdoji Regional Cancer Centre, Nagpur, Maharashtra, India
2 Department of Head and Neck Oncology, Rashtrasant Tukdoji Regional Cancer Centre, Nagpur, Maharashtra, India
3 Department of Pathology, Rashtrasant Tukdoji Regional Cancer Centre, Nagpur, Maharashtra, India
4 Department of Head and Neck, Rashtrasant Tukdoji Regional Cancer Centre, Nagpur, Maharashtra, India

Correspondence Address:
Vandana Mohta
21 Kachipura, New Ramdaspeth, Nagpur, Maharashtra - 440010
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijpm.ijpm_776_21

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Introduction: Kocuria kristinae is a commensal organism, sometimes considered as a lab contaminant, but its repeated isolation from clinical samples in immunocompromised patients should raise red flags. Materials and Methods: We confirmed the infection with re-isolation of the organism from the same site before starting treatment. For the identification of Kocuria kristinae we used IDGP cards on VITEK 2 compact system. Antibiotic susceptibility test was done manually following CLSI guidelines 2018 for Coagulase-negative staphylococci. Results: A total of 510 major head neck oncosurgeries were performed during the period of two years. Out of which 120 patients had skin and soft tissue infections. Out of these infected patients, 90 were culture positive and of these Kocuria kristinae were isolated in 12 patients. Resistance to penicillin and oxacillin is seen in all isolates. Conclusion: Kocuria kristinae should not be ignored as a commensal flora or lab contaminant in immunocompromised hosts. Its Increase in resistance pattern is a matter of concern. It is an ignored opportunistic pathogen whose detailed sensitivity test should be developed to treat patients timely and effectively.

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