小腸穿孔をおこしたアミロイドーシスの1例

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  • A case of small intestinal perforation in amyloidosis.

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Although amyloidosis of the digestive tract is relatively common, few patients develop perforating peritonitis.An 82-year-old woman consulted us with abdominal pain and bloody stool. An X-ray showed free gas, and laparotomy, performed under a diagnosis of perforating peritonitis, revealed perforation at 3 sites of the ileum. Thehi stopathological diagnosis was AL-type amyloidosis. Postoperative general examinations suggested secondary amyloidosis. The perforation is believed to have been caused by some stimulation such as amyloid deposition in small vessels of the intestinal wall, inducing regional ischemic changes and increase in vascular vulnerability.

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