Atypical polypoid adenomyoma (APA) is a rare benign tumour of the uterus. __TOC__ Pathology APAs are characterized by glands with abnormal shapes that: (1) often have squamous metaplasia, and (2) are surrounded by benign smooth muscle. Nuclear atypia, if present, is mild.
The microscopic differential diagnosis includes endometrial carcinoma and endocervical adenocarcinoma.
See also Adenomyoma Cervical cancer
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