Adult Vaginal Botryoid-Type Embryonal Rhabdomyosarcoma

**Semantic type:** Neoplastic Process

**Definition:** A morphologic variant of embryonal rhabdomyosarcoma arising from the vagina. It is characterized by the formation of a cambium layer in the affected tissue and polypoid nodules with an abundant myxoid stroma. It occurs in female adults.

**Synonyms:** - Adult Botryoid-Type Embryonal Rhabdomyosarcoma of the Vagina - Adult Sarcoma Botryoides of the Vagina - Adult Vaginal Embryonal Rhabdomyosarcoma