Fact-sheet: Fat necrosis of breast


Updated on 08/26/2020 at 2:36 PM

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Definition

Benign mastopathy consisting of glandular changes after radiotherapy or surgery.

Clinical features

  • Asymptomatic

Radiography

  • Eggshell, curvilinear, or plaque-like calcifications

Ultrasound

  • Atypical cyst with posterior enhancement
  • Heterogeneous calcified focus with posterior acoustic shadowing
  • Possible pseudosolid appearance

MRI

  • Center with fatty content, hyperintense on T1 and T2.
  • Fibrous capsule with low signal, often enhancing after gadolinium injection.

Management

Fine-needle aspiration and cytology

 

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