A Case of Ileal Carcinoid Tumor Presented with Intussusception.

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  • 腸重積が診断の契機となった回腸カルチノイドの１例

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Abstract

A case of ileal carcinoid tumor presented with intussusception is reported. A 66-year-old man was admitted to the hospital because of ileus. Abdominal CT scan revealed an ileal tumor and ileus, and a barium enema study visualized the obstruction with a finding like a crab claw. Colonoscopy revealed the ileal tumor about 10cm from the Bauhin's valve which was dark red in color and had a smooth surface. Since no relief of intussusception was attained, a laparotomy was performed. During surgery, a submucosal tumor was present at the end of ileum, with its adhesion to its oral side to form a loop causing intussusception. A partial resection of the ileum including the submucosal tumor was performed.<br>Pathologically, the submucosal tumor was diagnosed as carcinoid tumor, with an invasion depth of ss, and regional lymph node metastasis was observed. Carcinoid tumor of the small intestine is rare in Japan. This case was thought valuable because the intussusception had occurred by mesentric retraction of the carcinoid tumor.

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