Renal Tumors and Tumor-like Conditions
Click on thumbnail images of slide for an enlarged view. Click on case number for case discussion. Case 1 - Wilms' Tumor Slide 1 - Blastema, stroma, and epithelium, low magnification Slide 2 - Epithelium and blastema surrounded by stroma with scattered cells with skeletal muscle differentiation, high magnification Case 2 - Mesoblastic Nephroma Slide 3 - Cellular mesoblastic nephroma, low magnification Slide 4 - Mesoblastic nephroma surrounding entrapped renal tubule, high power Case 3 - Clear Cell Renal Cell Carcinoma Slide 5 - Compact architecture with small cysts, low magnification Slide 6 - Cells with eosinophilic cytoplasm, high magnification Case 4 - Chromophil (papillary) Renal Cell Carcinoma Slide 7 - Papillae with psammoma bodies and stromal foam cells, low magnification Slide 8 - Grade 2 nuclei Case 5 - Chromophobe Renal Cell Carcinoma Slide 9 - Classic type, low magnification Slide 10 - Classic type, high magnification Case 6 - Collecting Duct Carcinoma Slide 11 - Irregular tubules and nests in desmoplastic stroma, low magnification Slide 12 - Short papillae and hobnail cells, high magnification Case 7 - Renal Cell Carcinoma, Unclassified Slide 13 - Short papillae and unclassifiable round cells, low magnification Slide 14 - Mixture of Wilms'-like epithelium, papillary carcinoma, and high grade carcinoma, high magnification Case 8 - Carcinoid Slide 15 - Ribbons and solid architecture, low magnification Slide 16 - Ribbon architecture, high magnification Case 9 - Metanephric Adenoma Slide 17 - Small tubules lined by uniform epithelium, low magnification Slide 18 - Tubules lined by epithelium with little cytoplasm, high magnification Case 10 - Epithelioid Angiomyolipoma Slide 19 - Epithelioid cells of variable size, low magnification Slide 20 - Large ganglion cell-like and multinucleate giant cells, high magnification Case 11 - Cystic Nephroma Slide 21 - Delicate fibrous septa, low magnification Slide 22 - Cysts lined by flattened epithelial cells, high magnification Case 12 - Sarcomatoid Urothelial Carcinoma of Renal Pelvis Slide 23 - Pleomorphic spindle cells, low magnification Slide 24 - Pleomorphic spindle cells surrounding nest of urothelial carcinoma, low magnification