Congratulations to the winner of our August quiz, Renato Ambrosio, Jr, MD, University of Washington, Seattle. The correct answer to our August challenge was progressive multifocal leukoencephalopathy. For a complete discussion of this case, see the Clinicopathologic Reports, Case Reports, and Small Case Series section in the September ARCHIVES (Downes SM, Black GCM, Hyman N, Simmonds M, Morris J, Barton C. Visual loss due to progressive multifocal leukoencephalopathy in a congenital immunodeficiency disorder. Arch Ophthalmol. 2001;119:1376-1378).
Be sure to visit the Archives of Ophthalmology World Wide Web site (http://www.archophthalmol.com) and try your hand at our Clinical Challenge 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 book The Art of JAMA II.
December 2001. Arch Ophthalmol. 2001;119(12):1769. doi:10.1001/archopht.119.12.1769