schwannoma


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  • Histology

    • Biphasic Antoni A (cellular) and Antoni B (myxoid)
    • Palisading (Verocay bodies)
    • In mucosal tissue: rimmed by lymphoid follicles
  • Stains

    • pos: S100
    • neg: HMB45 (vs melanoma), desmin (vs leiomyoma), CD117 (vs GIST)