查看文章

Discussion

The small intestinal cancer is frequently manifested as ileal symptoms including abdominal pain or nausea and vomiting, and preoperative diagnosis is relatively difficult; thus, many are found in the advanced state [12]. One of the main reasons behind the delay in diagnosis is the inaccessibility of the small bowel to endoscopic examination, especially distal to the duodenum [13]. A barium small bowel follow-through has been the radiographic gold standard for small bowel evaluation [14, 15]. Cross-sectional imaging with either CT or magnetic resonance imaging provides useful information regarding local-regional nodal involvement or distant metastatic disease but has limited ability to identify primary lesions, with sensitivities in the literature ranging from 47 to 80%[16, 17]. Push enteroscopy examines the small bowel with a long enteroscope and is, generally, only capable of visualizing proximal small …