Monarch Disease Ontology entry MONDO_0005635 (adenomyoma) is a benign neoplasm characterized by the presence of a glandular and a mesenchymal (fibromyomatous) component. It occurs in the uterine corpus and the cervix. A variant of adenomyoma associated with glandular architectural complexity is called atypical polypoid adenomyoma. Simple polypectomy is usually curative. Atypical polypoid adenomyoma may recur following polypectomy. Also known as: adenomyoma (morphologic abnormality), adenomyoma, benign.