MRI Case 11

58 y/o female with history of left breast invasive ductal carcinoma and recent MRSA bacteremia on antibiotics presents for diagnostic MRI. What is the most likely diagnosis?


  • Look out for a history of bacteremia or immunocompromise
  • MRI: + Peripheral enhancement, centrally T1/T2 hypointense
  • If accessible, treatment involves percutaneous aspiration and IV antibiotics, +/- incision and drainage

Related Radiology Article: Hayeri MR, Ziai P, Shehata ML, Teytelboym OM, Huang BK. Soft-tissue infections and their imaging mimics: from cellulitis to necrotizing fasciitis. Radiographics. 2016 Oct;36(6):1888-910.