Bartholin gland adenomyoma (MONDO_0003909, a Monarch Disease Ontology entry) is a rare, benign neoplasm that arises from the Bartholin gland and is characterized by the presence of a fibromuscular stroma and glands lined by mucin-secreting epithelial cells, arranged in a lobular architecture. Also known as: adenomyoma of major vestibular gland, major vestibular gland adenomyoma.