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Blastomycosis Presenting as a Nonhealing Wound

Owen, William R. MD; Thurs, Kathy NP; Kim, David S. L. MD

Advances in Skin & Wound Care: July 2012 - Volume 25 - Issue 7 - p 321–323
doi: 10.1097/01.ASW.0000416005.78089.b0
Departments: Case Report

ABSTRACT: A 41-year-old man was referred to the wound clinic for an enlarging 9.5 x 14-cm ulceration of the right upper arm of 8 months’ duration. A biopsy was obtained, and fungal stains showed broad-based budding spores typical of blastomycosis. He was treated with oral itraconazole, and the ulcer healed in 2 months. Blastomycosis is a systemic fungal infection acquired by inhalation of the spores of the fungus Blastomyces dermatitidis. Initially a pulmonary infection, the skin is the most common secondary site of involvement. More typically presenting as hyperkeratotic nodules, it may occur as ulcerations. Blastomycosis has significant morbidity and mortality, and in unsuspected or asymptomatic cases, the skin lesions may be the key to successful diagnosis and treatment.

William R. Owen, MD, is a dermatologist, Department of Dermatology at Ministry Health, Wausau, Wisconsin.

Kathy Thurs, NP, is a nurse practitioner at Aspirus Wausau Hospital, Wausau, Wisconsin.

David S. L. Kim, MD, is a dermatopathologist at Marshfield Clinic, Marshfield, Wisconsin.

The authors have disclosed that they have no financial relationships related to this article.

Submitted May 20, 2011; accepted August 17, 2011.

Acknowledgment: The authors thank Jan Kraus, MLS, Aspirus Wausau Hospital, for her assistance and advice in the preparation of this report.

© 2012 Lippincott Williams & Wilkins, Inc.