Figure 3From: Perivascular epithelioid cell tumor of the rectum: report of a case and review of the literatureImmunohistochemical findings of the tumor. (a) HMB-45 is positive in the cytoplasm of the tumor cells. (b) Nuclear expression of TFE3 is observed in the tumor cells. HMB-45, melanoma-associated antigen; TFE3, transcription factor E3.Back to article page