Pneumatosis Cystoides Intestinalis in a Patient with Polymyositis
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A 29-year-old Japanese woman with polymyositis (PM) developed pneumatosis cystoides intestinalis (PCI). The patient experienced a gradual onset of mild epigastric abdominal pain and abdominal distension. Radiographs revealed pneumatosis intestinalis involving the small bowel, and colonoscopy revealed submucosal cysts. Treatment with antibiotics and high-flow oxygen resulted in remission. This is an extremely rare case of PCI in a patient with PM.
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