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prostatic atypical adenomatous hyperplasia

Saturday 21 January 2012

Atypical Adenomatous Hyperplasia; prostate atypical adenomatous hyperplasia

Atypical adenomatous hyperplasia (AAH) is a term that has been utilized to describe changes histologically seen in prostatic glands in the apex, periurethral region, and/or transition zone of the prostate.

AAH is a localized proliferation of small acini within the prostate. Such proliferations may be confused with carcinoma, but the glands with AAH still have a fragmented basal layer.

AAH can be difficult to distinguish from hyperplasia. There is no clear association between the presence of AAH and the development of prostatic adenocarcinoma. (Helpap et al, 1995)