Korean J Dermatol.  2010 Aug;48(8):696-699.

A Case of Muir-Torre Syndrome: Extra-ocular Sebaceous Carcinoma in a Patient with Breast Cancer

Affiliations
  • 1Department of Dermatology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea. miumiu@amc.seoul.kr

Abstract

Muir-Torre syndrome is defined by concurrent or sequential development of internal malignancy - most commonly colorectal cancer - and sebaceous neoplasm or multiple keratoacanthomas. Recent studies revealed it was caused by mutations in DNA mismatch repair genes, and suggested screening for mismatch repair gene defects may be of value for patients with Muir-Torre syndrome. We, herein, report a patient with Muir-Torre syndrome, who developed breast cancer and extra-ocular sebaceous carcinoma. In addition, we discussed our experience of immunohistochemical staining for mismatch repair protein with a review of the literature.

Keyword

Mismatch repair; Muir-Torre syndrome; Sebaceous carcinoma; Sebaceous neoplasm

MeSH Terms

Breast
Breast Neoplasms
Colorectal Neoplasms
DNA Mismatch Repair
Humans
Keratoacanthoma
Mass Screening
Muir-Torre Syndrome
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