Abstract:Subcorneal pustular dermatosis (SPD) and annular pustular psoriasis (APP) are very rare in childhood and difficult to differentiate both clinically and histopathologically. We report the case of a 10‐year‐old male with a 9‐year history of erythematous scaly annular plaques with scattered pustules on the trunk. Although initially diagnosed as SPD, a lack of response to dapsone, presence of spongiosis on histology, and early age of disease onset led to consideration of APP. The patient was subsequently treated w… Show more
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