case_images: PMC6796631_01
case_images: CT scan-Coronal view demonstrating huge left renal mass.
case_images: gr1.jpg
case_images: PMC6796631_01_gr1.jpg
case_images: fig0005
case_images: Part of the mass appeared in subcapsular location and causing significant mass effect over the left kidney with invasion into the renal pelvis and perirenal fascia (Figs. 1 and 2 ).
case_images: CT scan- axial view indicating left renal mass at the inferior pole.
case_images: gr2.jpg
case_images: PMC6796631_01_gr2.jpg
case_images: fig0010
case_images: Part of the mass appeared in subcapsular location and causing significant mass effect over the left kidney with invasion into the renal pelvis and perirenal fascia (Figs. 1 and 2 ).
case_images: Microscopic view for the tumor showed uniform round small cells.
case_images: gr3.jpg
case_images: PMC6796631_01_gr3.jpg
case_images: fig0015
case_images: On histopathological studies, the tumor was highly cellular; the tumor cells were uniform with round to oval nuclei, finely dispersed chromatin, inconspicuous nucleoli and ill-defined scant pink cytoplasm (Fig. 3).
case_images: The tumor cells stained positively diffusely for CD99.
case_images: gr4.jpg
case_images: PMC6796631_01_gr4.jpg
case_images: fig0020
case_images: The cells stained strongly positive for CD 99 (Fig. 4).