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Case Reports in Gastrointestinal Medicine
Volume 2014, Article ID 312902, 4 pages
http://dx.doi.org/10.1155/2014/312902
Case Report

A Rare Case of Metastatic Malignant Melanoma to the Colon from an Unknown Primary

1Department of Medicine, University of Arizona, Tucson, AZ 85721, USA
2Department of Medicine, University of Arizona Medical Center, 6th Floor, Room 6336, 1501 N. Campbell Avenue, Tucson, AZ 85719, USA
3Division of Gastroenterology, Department of Medicine, University of Arizona, Tucson, AZ 85721, USA

Received 11 May 2014; Accepted 11 June 2014; Published 30 June 2014

Academic Editor: Christoph Vogt

Copyright © 2014 Preethi Reddy 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.

Abstract

Metastatic melanoma from an unknown primary (MUP) is rare; its occurrence in the gastrointestinal tract is of exceedingly low prevalence. We report a case of a 73-year-old man with metastatic malignant melanoma to the colon from an unknown primary. The rarity of MUP and importance of screening for gastrointestinal metastasis in patients with malignant melanoma are discussed along with the role of surgical resection in improving prognosis and overall survival.