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Fig. 1 | Diagnostic Pathology

Fig. 1

From: A rare metastatic mesenteric malignant PEComa with TSC2 mutation treated with palliative surgical resection and nab-sirolimus: a case report

Fig. 1

Gross, light microscopic, and IHC findings. A Intra-operative gross photo of the tumor. B Representative section of tumor consisting of fleshy surfaces with extensive necrosis and hemorrhage. H&E stain showing sheets of malignant epithelioid cells with granular eosinophilic cytoplasm, marked nuclear atypia, and prominent nucleoli, 4x (C) and 20x (D). Tumor cells show patchy positive staining for Melan-A (E), HMB-45 (F), desmin (G), and CD117 (H)

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