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Muscle Nerve. 1998 Dec;21(12):1800-3.

Spontaneous abdominal hematoma in dermatomyositis.

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  • 1Department of Neurology, University of Rochester Medical Center, New York 14642, USA.


Dermatomyositis is associated with a number of systemic manifestations and diseases. We present 2 patients with dermatomyositis, aged 11 and 50 years, who developed acute abdominal pain, both a result of spontaneous hemorrhage. Hemorrhage was detectable by physical examination in one and on computed tomography scan of the abdomen in the other. Both patients made a full recovery with supportive treatment. While the cause of the hemorrhage was uncertain, in 1 patient massive calcinosis of the abdominal wall was present, and trauma may have been the precipitant. Spontaneous abdominal hematoma is a cause of acute abdominal pain in patients with dermatomyositis, and surgery may be avoided if the diagnosis is recognized.

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