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Congratulations to the winner of our July quiz, Johann E. Gudjonsson, MD, PhD, Department of Dermatology, University of Michigan, Ann Arbor. The correct answer to our July challenge was verruciform xanthoma. For a complete discussion of this case, see the Off-Center Fold section in the August Archives (Borer M, Smith J, White B, Sheehan D. A scaly plaque on the scalp. Arch Dermatol. 2007;143:1067-1072).
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 or other feature scheduled to be published in the following month's print edition of the Archives. The first visitor to e-mail our Web editors with the correct answer will be recognized in the print journal and on our Web site and will also receive a free copy of The Art of JAMA II.
July 2007 Web Quiz Winner. Arch Dermatol. 2007;143(10):1271. doi:10.1001/archderm.143.10.1271
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