Primary Care Dermatology Module
Nomenclature of Skin Lesions

Developed by Gary Williams, M.D. and Murray Katcher, M.D. Ph.D, Department of Pediatrics
with funding and support from the Wisconsin Area Health Education Center (AHEC) System

University of Wisconsin

Tutorial C: Patterns and Distribution

Not only is the appearance of lesions important, but the pattern and distribution on the skin is as well.


Annular lesions are seen in a ring shape. Tinea corporis, erythema migrans (the lesion associated with lyme disease), and granuloma annulare are three common examples.


Click on each image for further information.

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