Cushing's syndrome caused by giant Ewing's sarcoma of the kidney: A case report and review of literature

Figure 6 Morphological features and immunostaining results of the tumor. A: Small, round tumor cells can be seen scattered throughout the visual field Staining method: HE staining (400 ×); B: Diffuse hyperstaining of tumor cell membrane for CD99 Staining method: Polymer method (400 ×); C: No positive reaction was observed for adrenocor ticotropic hormore staining method: Polymer method (400 ×).