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Familial dermatomyositis

A Andrews1, P Hickling, C Hutton

  • 1Rheumatology Department, Mount Gould Hospital, Plymouth.

A case of familial dermatomyositis (DM) is reported in a 27-yr-old mother and her daughter aged 2 yr and 8 months. Familial DM is a rare occurrence and has never been reported in a child of < 4 yr old, although isolated cases of DM have been found in infants as young as 1 yr. The mother responded readily to corticosteroids; however, the child proved resistant to steroids and was eventually successfully managed on a combination of methotrexate and prednisolone. Another daughter presented with the dermatological stigmata of DM, but with no evidence of muscle involvement.

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