The correct answer to our January challenge was primary cutaneous anaplastic large cell lymphoma (C-ALCL). For a complete discussion of this case, see the Off-Center Fold section in the February ARCHIVES (Thakuria M, Agarwal S, Saffold O, Jaworsky C. Fulminant cutaneous eruption in a 51-year-old man. Arch Dermatol. 2007;143:255-260).
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.
January 2007 Web Quiz Winner. Arch Dermatol. 2007;143(4):551. doi:10.1001/archderm.143.4.551