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Ellen Mooney

Acquired dermal smooth muscle hamartoma: a unique presentation simulating Becker’s nevus

INTRODUCTION Smooth muscle hamartoma (SMH) is derived from benign proliferation of smooth muscle bundles in the dermis [1]. It usually presents at birth or shortly thereafter. However, acquired lesions have also been reported, although considered extremely rare. Only 12 cases have been published in the English medical literature to date, five of which were believed to have originated from arrector pili […]

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Fig. 1: Slightly hyperpigmented plaque, composed of densely grouped papules on the left shoulder.


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