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For a complete presentation of this case and an in-depth discussion of the entity, please see next month's edition of the Archives. Congratulations to the winner of our June quiz, Jaume Querol Riu, MD, Santa Coloma de Gramenet, Spain. The correct answer to our June challenge was myxoid dermatofibrosarcoma protuberans. For a complete discussion of this case, see the Off-Center Fold section in the July Archives (Kunisada M, Nagai H, Shimizu H, Yogianti F, Nishiyama S, Nishigori C. Double-headed nodules on the abdomen. Arch Dermatol. 2011;147:857-862).
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.
June 2011 Archives Web Quiz Winner. Arch Dermatol. 2011;147(9):1056. doi:10.1001/archdermatol.2011.206
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