{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T16:36:22Z","timestamp":1773246982541,"version":"3.50.1"},"reference-count":31,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[1991,1,1]],"date-time":"1991-01-01T00:00:00Z","timestamp":662688000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["World j. surg."],"published-print":{"date-parts":[[1991,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:bold>We reviewed 45 patients who underwent surgery for primary jejunoileal tumors over a 15\u2010year period. There were 16 benign and 29\u00a0malignant tumors, which included 13 lymphomas, 7 adenocarcinomas, 7 carcinoid tumors, and 2 leiomyosarcomas. Eighteen patients, 13 of whom had benign tumors, presented with intestinal bleeding and 5 tumors were found incidentally at laparotomy. Benign lesions were more frequently sited in the jejunum while malignant lesions were more common in the ileum<\/jats:bold> (<jats:bold><jats:italic>p<\/jats:italic><\/jats:bold>&lt;<jats:bold>0.001). Lesions presenting with hemorrhage were more likely to be benign than malignant<\/jats:bold> (<jats:bold><jats:italic>p<\/jats:italic><\/jats:bold>&lt;<jats:bold>0.001) and were more commonly sited in the jejunum than in the ileum<\/jats:bold> (<jats:bold><jats:italic>p<\/jats:italic><\/jats:bold>&lt;<jats:bold>0.05). Visceral perforation (31%), intestinal obstruction (21%), and an abdominal mass (17%) were other presenting features in patients with malignant tumors. In spite of a wide variety of investigations, the correct diagnosis was reached preoperatively in only 31% of patients. Surgical management included either limited bowel resection or segmental resection with regional lymphadenectomy. Operative mortality was 13% and morbidity was 36%. Actuarial 5\u2010year survival for all malignant tumors was 24%, being 64% at 5 years for carcinoid tumors, 20% at 30\u00a0months for adenocarcinomas, and 10% at 42\u00a0months for lymphomas. These results reemphasize the need for a high index of suspicion and early laparotomy in patients with obscure intestinal symptoms if the prognosis of small bowel tumors is to improve<\/jats:bold>.<\/jats:p>","DOI":"10.1007\/bf01658970","type":"journal-article","created":{"date-parts":[[2005,5,8]],"date-time":"2005-05-08T18:16:37Z","timestamp":1115576197000},"page":"81-86","source":"Crossref","is-referenced-by-count":21,"title":["Primary jejunoileal tumors: A review of 45 cases"],"prefix":"10.1002","volume":"15","author":[{"given":"L. A. 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