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Congratulations to the winner of our January quiz, Reza Ghaderi, MD, Section of Dermatology, Birjand University of Medical Sciences, Birjand, Iran. The correct answer to our January challenge was pagetoid dyskeratosis. For a complete discussion of this case, see the “Off-Center Fold” section in the February Archives (Llamas-Velasco M, Sánchez-Pérez J, Gallo E, Fraga J. Hyperpigmented asymptomatic macule in a fingertip with suspicious dermoscopic pattern. Arch Dermatol. 2012;148:247-252).
Be sure to visit the Archives of Dermatology Web site (http://www.archdermatol.com) to try your hand at the interactive quiz. We invite visitors to make a diagnosis based on selected information from a case report published in the Archives.
January 2012 Archives Web Quiz Winner. Arch Dermatol. 2012;148(4):508. doi:10.1001/archdermatol.2012.478