Atypical ductal hyperplasia ADH is the term used for a benign lesion of the breast that indicates an increased risk of breast cancer. The name of the entity is descriptive of the lesion; ADH is characterized by cellular proliferation hyperplasia within one or two breast ducts and histomorphologic architectural abnormalities, i. In the context of a core needle biopsy , ADH is considered an indication for a breast lumpectomy, also known as a surgical excisional biopsy, to exclude the presence of breast cancer. ADH, generally, is asymptomatic.
When your breast was biopsied, the samples taken were studied under the microscope by a specialized doctor with many years of training called a pathologist. The pathologist sends your doctor a report that gives a diagnosis for each sample taken. Information in this report will be used to help manage your care. The questions and answers that follow are meant to help you understand medical language you might find in the pathology report from a breast biopsy , such as a needle biopsy or an excision biopsy.