The majority of breast abnormalities in the pediatric patient are benign, but malignancies do occur. Careful attention to patient presentation, history, and clinical findings will help guide appropriate imaging and therapeutic decisions.

Nonpuerperal subareolar mastitis and abscess is a benign breast entity often associated with prolonged morbidity. Through better understanding of the underlying disease process the imaging, physical, and clinical findings of this rare process can be more readily recognized and treatment options expedited, improving patient care.