J Korean Soc Radiol.  2023 May;84(3):763-769. 10.3348/jksr.2022.0014.

Primary Malignant Melanoma of the Breast Presenting as a Breast Abscess: A Case Report

Affiliations
  • 1Department of Radiology, Dankook University Hospital, Dankook University College of Medicine, Cheonan, Korea
  • 2Department of Surgery, Dankook University Hospital, Dankook University College of Medicine, Cheonan, Korea
  • 3Department of Pathology, Dankook University Hospital, Dankook University College of Medicine, Cheonan, Korea
  • 4Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea

Abstract

Primary malignant melanoma in breast parenchyma (PMB) is an extremely rare disease, and the most common presentation is a palpable breast lump. To the best of our knowledge, a case of PMB presenting as a breast abscess has not been reported in English literatures. We present a case of PMB that manifested as a recurrent breast abscess in a 71-year-old woman. On MRI, an enhancing solid mass with a cystic or necrotic portion was revealed with some high signal intensities on precontrast-enhanced T1-weighted images and a dark rim on T2-weighed images. The MRI features played a pivotal role in identifying the underlying malignant condition and making an accurate diagnosis of this rare case of PMB with unusual clinical presentation.

Keyword

Breast Neoplasms; Melanoma; Magnetic Resonance Imaging
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