Congratulations to the winner of our March quiz, Alireza Khatami, MD, Department of Public Health and Clinical Medicine, Division of Epidemiology and Public Health, Umea International School of Public Health, Umea, Sweden. The correct answer to our March challenge was localized darier disease. For a complete discussion of this case, see the Off-Center Fold section in the April Archives (Bowe W, Nguyen V, Elenitsas R, Katz K. Keratotic papules on the right side of the neck and back. Arch Dermatol. 2007;143:536-540).
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.