Abstract
We experienced a case of intussusception caused by metastasis to the small intestine from lung cancer. A 68-year-old man who stayed at the hospital after an excision of a metastatic tumor in the thoracic wall associated with the lib presented with abdominal distention and vomiting, There was a previous history of undergoing an excision of the right lower lobe with the rib for a lung cancer 7 months before admission when it was diagnosed as carcinosarcoma histopathologically. Abdominal simple x-ray examination revealed fluid level formation and CT scan showed intussusception of the small intestine. Laparotomy was performed, and intussusception headed by a tumor in the jejunum about 160cm from the Treiz's ligament was found which was resected. The tumor had the maximum diameter of 13cm and was diagnosed as metastasis of pulmonary carcinosarcoma histopathologically. The patient died of carcinomatous pleurisy on the 6th week after the operation. There have been 35 cases of intussusception due to small bowel metastasis of pulmonary cancer, including this case, as far as we could review. All patients were male and in most patients radical resection was impossible. The prognoses were poor and most patients died within 6 months after eperation for intussusception.
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