The goal of this clinical trial is to evaluate the efficacy of a new technique in treatment of single milk duct discharge. The main questions it aims to answer are:

Does ultrasound guided microdochectomy is feasible in non dilated milk duct? What are the surgical outcomes of this technique?

Participants will:

Had ultrasound microdochectomy After discharge, patients will visit the clinic twice every week for two weeks, a visit or call after 3 month

Inclusion Criteria:

• females above 18 years old with single not dilated milk duct discharge after failure of medical treatment

Exclusion Criteria:

• breast cancer
• patients with multiple or dilated milk duct discharge.
• contraindications to surgery or ‬anaesthesia
• patient above 18 years old
• patients refuse to participate in the study

this problem is evident only in female breast

data will be available on demand by direct contact to the principle investigator