Multiple familial smooth muscle hamartomas

smooth muscle hamartoma is a cutaneous abnormality characterized by a disor ganized proliferation of normal muscle fibers of arrector pill, Usually a s ingle congenital hypertrichotic plaque involves the trunk and the extremiti es, Multiple lesions have rarely been reported in the literature. We descri be three members of the same family with multiple skin-colored patches on t he back and legs, histologically confirmed as smooth muscle hamartomas, To our knowledge this is the first report of multiple smooth muscle hamartomas in different members of the same family and quite interestingly involving the same skin site.