Journal of Cytology
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Year : 1999  |  Volume : 16  |  Issue : 2  |  Page : 93-101

Renal malignancies : Diagnosis by ultrasound guided fine needle aspiration cytology

1 Institute of Cytology and Preventive Oncology (ICMR), New Delhi, India
2 Institute of Nuclear Medicine and Allied Sciences, Delhi, India

Correspondence Address:
Dilip K Das
Asst. Professor, Department of Pathology, Kuwait University, Faculty of Medicine, P.O. Box 24923, Safat Code No. 13110, Kuwait
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Source of Support: None, Conflict of Interest: None

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Purpose of the study: Study of the cytomorphologicai features of renal malignancies through review of fine needle aspirates of kidney. Basic procedures: May-Grünwald-Giemsa stained smears of fine needle aspirates from the space occupying lesions (SOL) of kidney obtained under ultrasound guidance in 61 cases were reviewed by one of the investigators (DKD). Main Findings: Of the 28 cases of malignancies detected 26 were primary lesions and 2 were metastatic squamous cell carcinoma. The primary malignancies included 21 renal cell carcinomas (RCC), 4 nephroblastomas and a case in which decision between RCC and adrenal carcinoma could not be resolved. The renal cell carcinomas included 8 clear cell, 7 granularcell, 5 spindle cell (sarcomatoid) and one pigmented cell variant. One of the renal cell carcinoma cases showed evidence of concomitant tuberculosis of kidney. Metastatic RCC was also diagnosed from FN A of skin nodules (2 cases) and SOL in liver (1 case). The nephroblastoma cases showed blastemal cells and tubular differentiation in ail the four cases, and glomerular tuft like structure and stromal materials in two cases each. Conclusion: US guided FNA cytology is a useful tool for diagnosis and classification of renal malignancies.

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