Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 28, 2013; 19(4): 511-515
Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.511
Table 1 Summary of clinical data of patients with benign duodenal and peri-ampullary adenomas who underwent endoscopic ultrasound pre-operatively
Age, yr, mean ± SD (range)63.4 ± 12.63 (25-90)
Sex45% male; 55% female
Types of resectionEndoscopic (22); pancreaticoduodenectomy (6); transduodenal (10); partial duodenectomy (9)
Tumor locationPeriampullary (29); duodenal (18)
Post operative final pathVillous adenoma (5); tubulovillous adenoma (10); tubular adenoma (20); hyperplastic polyp (2); chronic inflammation (1); adenoma (8); Reactive epithelial changes of normal small bowel mucosa (1)
EUS predictionAbsence of muscularis invasion (n = 5, P < 0.05); underestimated submucosal invasion (n = 4, P < 0.05); Accurately predicted depth of tumor invasion (n = 38, P < 0.05)
Table 2 2×2 Contingency table
Absence of muscularis involvement path
Yes1No
Muscularis involvement EUS
No364
Yes152