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Red Annular Plaque on the Dorsum of the Foot—Quiz Case

Red Annular Plaque on the Dorsum of the Foot—Quiz Case Report of a case A 46-year-old man presented with a 1-year history of a lesion on the dorsum of his right foot. He had been treated with several topical antifungal agents, with no improvement. His medical history was unremarkable. Physical examination revealed a brownish, annular, alopecic, anesthetic plaque measuring 5 cm in diameter, with an erythematous, well-defined raised margin (Figure 1). No other areas of the skin were affected. There was no peripheral nerve enlargement. Two biopsy specimens were obtained from the border of the lesion and sent for routine hematoxylin-eosin (Figure 2 and Figure 3), Ziehl-Nielsen, and periodic acid–Schiff staining; bacterial, mycobacterial, and fungal cultures were also performed. Figure 1. View LargeDownload Figure 2. View LargeDownload Figure 3. View LargeDownload http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Dermatology American Medical Association

Red Annular Plaque on the Dorsum of the Foot—Quiz Case

Abstract

Report of a case A 46-year-old man presented with a 1-year history of a lesion on the dorsum of his right foot. He had been treated with several topical antifungal agents, with no improvement. His medical history was unremarkable. Physical examination revealed a brownish, annular, alopecic, anesthetic plaque measuring 5 cm in diameter, with an erythematous, well-defined raised margin (Figure 1). No other areas of the skin were affected. There was no peripheral nerve enlargement. Two biopsy...
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Publisher
American Medical Association
Copyright
Copyright © 2008 American Medical Association. All Rights Reserved.
ISSN
0003-987X
eISSN
1538-3652
DOI
10.1001/archderm.144.8.1051-d
Publisher site
See Article on Publisher Site

Abstract

Report of a case A 46-year-old man presented with a 1-year history of a lesion on the dorsum of his right foot. He had been treated with several topical antifungal agents, with no improvement. His medical history was unremarkable. Physical examination revealed a brownish, annular, alopecic, anesthetic plaque measuring 5 cm in diameter, with an erythematous, well-defined raised margin (Figure 1). No other areas of the skin were affected. There was no peripheral nerve enlargement. Two biopsy specimens were obtained from the border of the lesion and sent for routine hematoxylin-eosin (Figure 2 and Figure 3), Ziehl-Nielsen, and periodic acid–Schiff staining; bacterial, mycobacterial, and fungal cultures were also performed. Figure 1. View LargeDownload Figure 2. View LargeDownload Figure 3. View LargeDownload

Journal

Archives of DermatologyAmerican Medical Association

Published: Aug 18, 2008

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