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Systemic sclerosis (scleroderma) associated with discoid lupus erythematosus.

Posted Aug 29 2010 12:00am

Six patients with systemic sclerosis (SS) and discoid lupus erythematosus (DLE) were studied to determine whether such cases have some common clinical and laboratory findings. DLE preceded SS in all cases. Three patients had diffuse scleroderma with lung and esophagus involvements and the others limited scleroderma.

Three patients had anti-topoisomerase-I and antiribonucleoprotein antibodies, 2 had either of them and the remaining anticentromere antibodies. Four had DLE located on the scalp, leading to alopecia. The other 2 had DLE on the face and extremities. No case fulfilled criteria for systemic lupus erythematosus (SLE).

The present cases with SS and DLE, but without SLE, indicate that this type of systemic-cutaneous collagen disease overlap does exist and may be not so rare.

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