Microglandular adenosis of the breast

Last revised by Avni K P Skandhan on 22 Feb 2018

Microglandular adenosis (MGA) of the breast is a pathological subtype of mammary adenosis. It is benign breast condition although can mimic a breast cancer (particularly tubular breast carcinoma 3,5) both clinically, radiology and pathologically.

Pathology

It is considered the only benign breast lesion that lacks a myoepithelial layer 4.