What’s Causing These Pruritic Lesions?

Last Updated on February 27, 2019 by

A 38-year-old man presents with itchy, scaly lesions on his elbows and small, erythematous papules in the web spaces of his fingers. What is the most likely diagnosis?

A. Atopic dermatitis
B. Scabies
C. Psoriasis
D. Tinea corporis

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Find the answer, discuss this case, and more on Figure 1.