Abstract
The importance of endoscopy in the diagnosis of small intestinal tumors was evaluated in 15 patients with small intestinal tumors treated in our hospital. Two tumors were benign, and 13 were malignant (carcinoma in 5 patients, malignant lymphoma in 5 and leiomyosarcoma in 3). The presence of lesions could be determined by X-rays before surgery, but definitive diagnoses were difficult. When preoperative endoscopy of the small intestine was possible accurate preoperative diagnoses could be made based on the endoscopic findings and biopsies taken under direct vision. Endoscopy is therefore very important for the diagnosis of small intestinal tumors. It is necessary to develop small intestinal endoscopes that are easier to insert.
Highlights
Small intestinal tumors are encountered less frequently than gastric, large intestinal or esophageal tumors in daily medical practice
Tumorous lesions in the small intestines are often associated with hemorrhage, abdominal pain and ileus
The upper GI tract and large intestine are examined first to try to locate the site of hemorrhaging, and the small intestine is examined only when these examinations fail to identify any cause of the hemorrhage
Summary
Small intestinal tumors are encountered less frequently than gastric, large intestinal or esophageal tumors in daily medical practice. The prognosis of small intestinal tumors is usually poor when clinically diagnosed. The present study, which focused on 15 patients with small intestinal tumors in whom thorough pathological examinations could be conducted, showed the importance ofendoscopy ofthe small intestine in clinicopathological assessment and diagnosis of small intestinal tumor Anatomically, the small intestine includes the duodenum, jejunum and ileum, but the duodenum is often excluded from statistical data and analysis on small intestinal tmnors in Japan. Tumors in thejejunum and ileum were included but those in the duodenum were excluded. Fifteen patients with benign and malignant small intestinal tumors treated over the last 20 years period were included. One case of jejunal hamartoma was presented, it is not a true neoplasm
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