A Novel Fluorescent Ductal Needle for Localization and Sampling of High-risk Breast Micro Lesions

This study is testing a new type of needle that uses fluorescent (glowing) technology to locate and sample tiny, potentially dangerous lesions inside the milk ducts of the breast. The goal is to improve how surgeons find and remove these hard-to-see abnormalities. **You may be eligible if...** - You are a woman between 18 and 75 years old - You have been diagnosed with an intraductal breast lesion (an abnormality inside a breast milk duct) found by ductoscopy (a small camera procedure) - You have already had a ductal excision procedure **You may NOT be eligible if...** - You are pregnant or breastfeeding - You have a known allergy to the needle components or quantum-dot materials - You have an active hepatitis B or C infection - You have unstable heart disease (e.g., recent heart attack or severe heart failure) - You have a neurological or psychiatric condition that would affect your ability to follow the study Talk to your doctor to see if this trial is right for you.