Congratulations to the winner of our October quiz, CDR Tamara Scalise, MC, USN, Department of Dermatology, Naval Medical Center San Diego, San Diego, California. The correct answer to our October challenge was pityriasis rotunda. For a complete discussion of this case, see the Off-Center Fold section in the November Archives (Finch JJ, Olson CL. Hyperpigmented patches on the trunk of a Nigerian woman. Arch Dermatol. 2008;144:1509-1514).