Skip to Main Content

Key Features

  • Rare

  • Thought to be caused by trauma, but history of trauma is present in only about half of patients

  • Common after fat injections to augment breast size or fill defects after breast surgery, segmental resection, radiation therapy, or postmastectomy flap reconstruction of the breast

Clinical Findings

  • Breast mass

  • Often associated with skin or nipple retraction

  • Usually indistinguishable from cancer even with imaging studies

  • Occasionally, ecchymosis present

Diagnosis

  • Core needle biopsy often adequate for diagnosis

  • Occasionally, mass must be excised to exclude carcinoma

  • Differential diagnosis

    • Breast cancer

    • Fibroadenoma

    • Breast abscess

    • Fibrocystic condition of breast

    • Paget disease of the breast

Treatment

  • If untreated, mass gradually disappears

Pop-up div Successfully Displayed

This div only appears when the trigger link is hovered over. Otherwise it is hidden from view.