A 28-Year-Old Man Comes to the Office with Bilateral Skin

A 28-year-old man comes to the office with bilateral skin lesions over the posterior surface of the elbows.  The lesions are itchy at times; topical moisturizers have reduced the itching, but the lesions have remained.  The patient has no chronic medical problems and takes no medications.  Biopsy of the lesions demonstrates hyperkeratosis, parakeratosis, dilated capillaries in the dermal papillae, and foci of neutrophils in the superficial epidermis.  Which of the following is the most likely diagnosis?

A) Atopic dermatitis
B) Dermatitis herpetiformis
C) Erythema nodosum
D) Psoriasis
E) Urticaria

Correct Answer:

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