Breast Duct Endoscopy

**Semantic type:** Diagnostic Procedure

**Definition:** A method used to examine the lining of the breast ducts to look for abnormal tissue. A very thin, flexible, lighted tube attached to a camera is inserted through the nipple, and threaded into the breast ducts deep in the breast. Tissue and fluid samples may be removed during the procedure.

**Synonyms:** - breast duct endoscopy