Sandbox: DDx Kidney mass: Difference between revisions
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* Nuclei uniform and round with no pleomorphism | * Nuclei uniform and round with no pleomorphism | ||
* Large well demarcated tumors | |||
* Large hetrogenous mass | |||
* Perinephric fat-stranding | |||
* Calcification | |||
==Nonmalignant causes== | ==Nonmalignant causes== | ||
anaplastic sarcoma clear cell sarcoma mesoblastic nephroma metanephric stromal tumor nephroblastomatosis / nephrogenic rests neuroblastoma oncocytoid carcinoma after neuroblastoma ossifying | anaplastic sarcoma clear cell sarcoma mesoblastic nephroma metanephric stromal tumor nephroblastomatosis / nephrogenic rests neuroblastoma oncocytoid carcinoma after neuroblastoma ossifying | ||
Revision as of 19:54, 9 November 2015
- 50-60 yo male
- Asymptomatic
- Incidental finding on imaging
- May have hematuria and flank pain
- Palpable flank mass
- Cells arranged in nests
- Granular eosinophilic cytoplasm
- Nuclei uniform and round with no pleomorphism
- Large well demarcated tumors
- Large hetrogenous mass
- Perinephric fat-stranding
- Calcification
Nonmalignant causes
anaplastic sarcoma clear cell sarcoma mesoblastic nephroma metanephric stromal tumor nephroblastomatosis / nephrogenic rests neuroblastoma oncocytoid carcinoma after neuroblastoma ossifying