epithelioid angiomyolipoma


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  • Clinical

    • tuberous sclerosis
    • can be malignant

  • Histology

    • architecture: sheets, perivascular cuffing
    • epithelioid cells: abundant granular cytoplasm, nuclear atypia, mitosis, focal ganglion-like multinucleated giant cell
    • prominent hemorrhage

  • Stains

    • positive melanocytic
    • variable smooth muscle
    		•