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Derm Morphology, Part 2

Characterizing skin lesions by shape, size, color, and distribution is key to diagnosis. Quiz yourself with this continuation of our November 2015 challenge.
Clinician Reviews. 2015 December;25(12):43

4. Resulting from chronic irritation from conditions like eczema or from continuous rubbing or scratching, the skin becomes thickened and leathery.

Diagnosis: Lichenification

For more information on Figure 4a, see “Leg Lesion Represents a Vicious Cycle.Clin Rev. 2012;22(12):W5.