, Volume 52, Issue 4, pp 1026-1030
Date: 16 Feb 2007

Small-Bowel Tumors Detected by Wireless Capsule Endoscopy

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Abstract

Small bowel tumors are difficult to diagnose because of their endoscopic inaccessibility. This has been overcome by the use of the Pillcam™ SB capsule (Given Imaging, Yoqneam, Israel). The purpose of this report is to describe the largest series of patients with small bowel tumors detected by capsule endoscopy. Eighty six patients were derived from the Given Imaging clinical database on a survey of Pillcam™ SB capsule users who were diagnosed with 87 small bowel tumors, 1 cecal tumor, and 1 gastric tumor. The population consisted of 55 males and 31 females. 69% of patients were referred for capsule endoscopy for obscure gastrointestinal bleeding (59/86 patients) and 31% (27/86 patients) were referred for other indications including anemia, polyposis, and abdominal pain. All patients have histologically confirmed tumors. Eighty six patients reported 395 previous negative procedures (average of 4.6 per patient). Malignant tumors comprised 61% (54/89) and benign 39% (35/89). Of the 87 reported small bowel tumors, 4 were identified in the duodenum, 43 tumors were identified in the jejunum, 18 tumors were identified in the ileum, and 22 tumors were located in the mid to distal small bowel. The most common malignant tumors were adenocarcinoma, carcinoids, melanomas, lymphomas, and sarcomas. The most common benign tumors were GIST, hemangiomas, hamartomas, adenomas, and granulation tissue polyps. Capsule endoscopy is the diagnostic procedure of choice in patients with suspected small bowel tumors.