Sandbox: DDx Kidney mass
<1 yo patients Large cells with eccentrically located nuclei Abundant, eosinophilic cytoplasm INI1 gene in chromosome 22
Nonmalignant causes
anaplastic sarcoma clear cell sarcoma mesoblastic nephroma metanephric stromal tumor nephroblastomatosis / nephrogenic rests neuroblastoma oncocytoid carcinoma after neuroblastoma ossifying tumor renal cell carcinoma rhabdoid tumor translocation carcinoma (children)