A Prospective Study about Abnormal Ductal Dilatations without Associated Masses on Breast US

Abnormal ductal dilatations without masses have a 9% malignancy rate, and these would be recommended to undergo biopsy as suspicious abnormalities according to Breast Imaging Reporting and Data System - Ultrasound. Ultrasound has an essential role in the assessment of abnormal ducts for distinguishing benign and malignant ductal changes.