Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments that treat this condition Breast Clinic By Mayo Clinic Staff Request an Appointment at Mayo Clinic Diagnosis & treatment Oct. 02, 2019 Print Share on: FacebookTwitter Related Gynecomastia (enlarged male breast tissue) Associated Procedures Chest X-rays CT scan Liposuction Mammogram Mastectomy MRI Ultrasound Show more associated procedures Enlarged breasts in men (gynecomastia)Symptoms & causesDiagnosis & treatmentDoctors & departments Research: It's All About Patients CON-20164022 Patient Care & Health Information Diseases & Conditions Enlarged breasts in men (gynecomastia)