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Clear cell sarcoma of kidney: A mimicker of Wilms' tumor
Gupta Aviral1, C Mishra Sarvesh2, Jaiswal Sushila1, MS Ansari3
1 Department of Pathology, Sanjay Gandhi Post-Graduate Institute Of Medical Sciences, Lucknow, Uttar Pradesh, India
2 Department of Radiodiagnosis, Sanjay Gandhi Post-Graduate Institute Of Medical Sciences, Lucknow, Uttar Pradesh, India
3 Department of Urology, Sanjay Gandhi Post-Graduate Institute Of Medical Sciences, Lucknow, Uttar Pradesh, India
Correspondence Address:
Gupta Aviral,
13-A, Sararswati Puram, Raibareli Road, Lucknow - 226 014, Uttar Pradesh
India
 Source of Support: None, Conflict of Interest: None DOI: 10.4103/jcrt.jcrt_432_21
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The differential diagnosis for an abdominal mass in a 2-year-old child is broad and includes lesions of renal, hepatic, gastrointestinal, adrenal, and lymphatic origins. Of these, Wilms' tumor and neuroblastoma are the most common tumors, where Wilms' tumor represents about 92% of renal masses in children. Non-Wilms' renal tumors, rhabdoid tumors, and clear cell sarcoma of the kidney (CCSK) are uncommon. CCSK constitutes approximately 3% of all malignant renal tumors in childhood. In this report, we present a child presenting with a huge renal mass consistent with Wilms' tumor on computed tomography and initial biopsy. However, the final pathologic diagnosis after resection revealed CCSK.
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