label: Childhood Botryoid-Type Embryonal Rhabdomyosarcoma
label_lc: childhood botryoid-type embryonal rhabdomyosarcoma
description: A morphologic variant of embryonal rhabdomyosarcoma occurring in children.  The tumor arises from organs with a mucosal epithelial surface.  It is characterized by the formation of a cambium layer in the affected tissue and polypoid nodules within an abundant myxoid stroma.