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Course: Recurrent Photosensitive Pustular Eruption in a Young Woman

CME Credits: 1.00

Released: 2022-01-05

A woman in her 20s was referred for evaluation of a 4-year history of recurrent pustular eruptions on her face, which initially presented while she was vacationing in Florida. She noted mild associated pruritus but denied burning sensation. The eruptions occurred intermittently, appearing as erythematous papules with prominent pustules, and were exacerbated by sunlight. On average, her lesions would resolve in 3 to 4 days with only mild background erythema by 5 to 7 days. Even mild sun exposure would induce the eruption, leading to frequent recurrences in summer months but long periods of remission in the fall through spring. Trials with various broad-spectrum sunscreens in combination with topical and oral antibiotics and topical ivermectin did not prevent flares or mitigate severity of eruptions when they occurred. She denied joint pain, fever, fatigue, changes in urine color, use of other topical or systemic medications, or presence of rashes elsewhere. She was otherwise healthy without other medical history.


Educational Objective
Based on this clinical scenario and the accompanying image, understand how to arrive at a correct diagnosis.


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