A 3-month-old infant was referred to the dermatology service for evaluation of a rapidly growing nodule on the posterior aspect of the right thigh, present since birth (Fig 1). The… Click to show full abstract
A 3-month-old infant was referred to the dermatology service for evaluation of a rapidly growing nodule on the posterior aspect of the right thigh, present since birth (Fig 1). The lesion rapidly grew from a 6-mm papule at birth to a 1.7-cm nodule with surrounding papules and central coalescence at the time of presentation (Fig 2). A 4-mm punch biopsy was performed and submitted for histologic examination (Fig 3).
               
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