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Case Reports in Medicine
Volume 2011, Article ID 245832, 2 pages
Case Report

Metastatic Malignant Melanoma Mimicking Benign Breast Cysts

1Department of Pathology, Oslo University Hospital, Radiumhospitalet, N-0310 Oslo, Norway
2Department of Radiology, Oslo University Hospital, Radiumhospitalet, N-0310 Oslo, Norway
3Faculty of Medicine, University of Oslo, N-0310 Oslo, Norway

Received 29 April 2011; Revised 3 June 2011; Accepted 5 June 2011

Academic Editor: Edward V. Craig

Copyright © 2011 Marius Lund-Iversen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Benign cysts are one of the most common mass-occupying lesions of the breast and are often investigated with triple diagnostic trial (clinical examination, radiology, and cytology). Malignant melanoma is one of medicine's imitators, and metastatic disease can mimic cysts. Thorough investigation of any breast mass is essential to clarify its nature.