A 30-year-old male patient presented with a small, brown papule on the calf (Figure 1). By dermatoscopy one can see radial lines in some segments at the periphery and skin- colored and pink structureless zones (Figure 2). What is your diagnosis?

Please send your answer to dpc@derm101.com . The first correct answer will receive a complimentary copy of the book, Dermatoscopy. An Algorithmic Method Based on Pattern Analysis [Facultas Verlag, 2011].

The case and the answer to the question will be presented in the next issue of Dermatology Practical and Conceptual.

The correct answer to the dermatoscopy quiz in the July 2012 issue is spiradenoma.

Please see article 9 of this issue of Dermatology Practical and Conceptual for a detailed description of this quiz case with dermatoscopic/dermatopathologic correlation ( http://dx.doi.org/10.5826/dpc.0204a09 ).