Acquired Microcystic Lymphatic Malformation of the Distal Upper Extremity Mimicking Verrucae Vulgaris

An 18‐year‐old African American male with a history of congenital lymphedema of the right upper extremity presented for evaluation of multiple verrucous lesions on his right hand. Clusters of 2 to 4‐mm dome‐shaped vesicles were intermixed with scattered verrucous papules on the right forearm and the dorsal and palmar aspects of the hand. Histopathology of one the verrucous lesions showed well‐circumscribed areas of dilated lymphatic vascular channels with lymph in the lumen. The patient was diagnosed with microcystic lymphatic malformation, verrucous type. This article reviews the literature regarding reports of this variant of microcystic lymphatic malformation in the pediatric population.

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