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Congratulations to the winner of our July quiz, Jose A. Valerio, MD, Jackson Park Hospital, Chicago, Illinois. The correct answer to our July challenge was multinucleate cell angiohistiocytoma. For a complete discussion of this case, see the “Off-Center Fold ” section in the August Archives (Echols K, Sigmon J, Sheehan D, Davis L. Skin-colored nodules on the knuckles. Arch Dermatol. 2011;147:975-980).
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 2011 Archives Web Quiz Winner. Arch Dermatol. 2011;147(10):1210. doi:https://doi.org/10.1001/archdermatol.2011.265
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