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Dermatology Research and Practice
Volume 2010, Article ID 850416, 3 pages
http://dx.doi.org/10.1155/2010/850416
Case Report

Dermoscopic Features of CD8-Positive Solitary Pagetoid Reticulosis on the Left Leg

1Department of Dermatology, Tokyo Women's Medical University, Medical Center East, 2-1-10 Nishi-Ogu, Arakawa-Ku, Tokyo 116-8567, Japan
2Department of Pathology, Tokyo Women's Medical University, Medical Center East, 2-1-10 Nishi-Ogu, Arakawa-Ku, Tokyo 116-8567, Japan

Received 16 February 2010; Accepted 27 March 2010

Academic Editor: H. Peter Soyer

Copyright © 2010 Reiko Suzaki 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

Solitary pagetoid reticulosis, also known as Woringer-Kolopp disease, is a rare subtype of cutaneous T-cell lymphoma. The typical clinical presentation is a solitary, localized psoriasiform or hyperkeratotic plaque or tumor located on the extremities. It primarily affects middle-aged males. Because the clinical features of pagetoid reticulosis are indistinctive, pagetoid reticulosis may progress for years before accurate diagnosis. We reported a 57-year-old Japanese woman who presented with a 1-year history of a solitary erythematous plaque on the left leg. Dermoscopic features simulated Bowen's disease showing dotted and glomerular vessels, whitish scaly areas, and a broad negative network. Dermoscopic features of pagetoid reticulosis have never been reported. We have discussed the diagnostic significance of the observed dermoscopic findings.