Benign nerve sheath tumor consisting of Schwann cells
Presents as subcutaneous skin-colored papulonodule often on extremity with occasional tenderness or pain
Histology: well-circumscribed, encapsulated deep dermal or subcutaneous tumor consisting of two areas (below), mast cells common
Antoni A tissue: cellular areas consisting of spindle cells with palisaded nuclei arranged in parallel rows with intervening acellular area (Verocay bodies)
