What are pediatric breast disorders?

Updated: May 03, 2021
  • Author: Harsh Grewal, MD, FACS, FAAP; Chief Editor: Robert K Minkes, MD, PhD  more...
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Breast disorders occurring in pediatric patients range from congenital conditions to neonatal infections and from benign disorders such as fibroadenoma in females and gynecomastia in males to breast carcinoma and rhabdomyosarcoma. [1, 2] (See the image below.)

Fibroadenoma. Ultrasonogram courtesy of Helen Pass Fibroadenoma. Ultrasonogram courtesy of Helen Pass, MD.

The most common breast abnormality seen in a primary caregiver’s office in children younger than 12 years is a unilateral breast mass corresponding to asymmetrical breast development. [3] One breast commonly develops earlier than the other, though the breasts ultimately become symmetrical.

For patient education information, see Breast Lumps and Pain and Breast Self-Exam.

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