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Arch Dermatol. 2004;140:1401.

Congratulations to the winner of our August quiz, K. Karthikeyan, MD, consultant dermatologist, Pondicherry, India. The correct answer to our August challenge was granular parakeratosis of the axilla. For a complete discussion of this case, see the "Off-Center Fold" section in the September ARCHIVES (Martínez MB, Pascual Ramírez JC, Mas IB, Silvestre Salvador JF, Tendero PA. Scaling lesions on the axillary skin of a 52-year-old man. Arch Dermatol. 2004;140:1161-1166).

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.