Friday, March 17, 2017

Breast Finding Differential Diagnoses

This post is derived from notes I took during training. Any images are copyright their respective owners.


  • Well-circumscribed mass on mammogram (MG)
    • Most common: Cyst, fibroadenoma, lymph node
    • Also: Galactocele, papillary carcinoma
  • High risk lesions
    • Atypical ductal hyperplasia
    • Atypical lobular hyperplasia
    • LCIS
    • Phylloides
    • Radial scar (complex sclerosing lesions)
  • Fluid -containing lesion
    • Invasive cancer
    • Intracystic papillary carcinoma
    • Abscess, hematoma, galactocele, seroma
  • Bilateral breast edema
    • CHF
    • Renal failure
    • Liver disease
  • Unilateral breast edema
    • Subclavian vein occlusion
    • Inflammatory breast cancer
  • Skin thickening
    • Edema (CHF, ARF, liver failure)
    • Acute mastitis
    • Inflammatory carcinoma
    • Locally advanced carcinoma
    • Lymphatic obstruction
    • Radiation therapy


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