Aim: The spectrum of breast lesions varies in children. Breast masses in adolescent male may arise from normal and abnormal breast development. Other causes of masses are infection, trauma, and cyst formation. Adolescent male patients present with a palpable mass is worrying for patient and his parents. In our study, we aimed to evaluate the characteristics of breast masses in adolescent males. Material and Method: We investigated 32 male pediatric patients presenting with breast masses from 2013 to 2014. Results: Thirty-two pediatric patients ranging in age from7-18 years were referred for breast ultrasound. Twenty-nine patients (%91) had gynecomastia. Two patients (%6) had post-traumatic hematoma. One patient(%3) had giant cystic mass (size 6x5x5cm) which excised. Discussion: Disorders of the adolescent breast are usually benign and their management are simple using medical strategy and mor rarely surgical therapy.