Rationale and Objectives To evaluate radiologic and pathologic features associated with
upgrade of atypical ductal hyperplasia (ADH) to ductal carcinoma in situ or invasive breast
cancer at surgical excision, in order to identify patients who may consider alternatives to
excision. Materials and Methods This retrospective analysis examined patients who
underwent surgical excision of biopsy-proven ADH at our institution. Imaging and pathology
from biopsy were reviewed to determine radiologic (lesion size, radiologic abnormality …