case_images: PMC4770081_01
case_images: Computed tomography scan showing the left renal mass.. Note: (A) is arterial phase and (B) is venous phase.
case_images: ott-9-741Fig1.jpg
case_images: PMC4770081_01_ott-9-741Fig1.jpg
case_images: f1-ott-9-741
case_images: CT exhibited heterogeneous density and showed that the renal capsule was invaded by the tumor (Figure 1). Calcification was also observed in the tumor.
case_images: Tumor cells with eosinophilic cytoplasm with inconspicuous nucleoli and rare appearance of mitosis.. Note: Stained with Hematoxylin and eosin; magnification x100.
case_images: ott-9-741Fig2.jpg
case_images: PMC4770081_01_ott-9-741Fig2.jpg
case_images: f2-ott-9-741
case_images: The tumor cells possessed eosinophilic cytoplasm with inconspicuous nucleoli, and mitosis was rare (Figure 2).
case_images: Immunohistochemical staining showing strong and diffuse staining for NSE, Syn, and CgA.. Note: Magnifications x100.. Abbreviations: CgA, chromogranin A; NSE, neuron-specific enolase; Syn, synaptophysin.
case_images: ott-9-741Fig3.jpg
case_images: PMC4770081_01_ott-9-741Fig3.jpg
case_images: f3-ott-9-741
case_images: Immunohistochemical staining showed strong and diffuse staining for synaptophysin, chromogranin A, and neuron-specific enolase (Figure 3).