What’s Causing These Pruritic Lesions?

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

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

Explore cases, quiz yourself, and solve medical mysteries along with thousands of other medical professionals around the world on Figure 1, the free a...