Atypical polypoid adenomyoma
| Atypical polypoid adenomyoma | |
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| Micrograph of an atypical polypoid adenomyoma. H&E stain. | |
| Classification and external resources |
Atypical polypoid adenomyoma, abbreviated APA, is a rare uncommon benign tumour of the uterus.
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.
Intermed. mag.
Very high mag.
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