Gastroenterology Research and Practice / 2023 / Article / Tab 1 / Research Article
Comparison between Submucosal Tunneling Endoscopic Resection and Endoscopic Submucosal Dissection for Prepyloric Submucosal Tumors: A Case-Matched Controlled Study Table 1 Baseline characteristics of the 24 patients undergoing P-STER or ESD for prepyloric SMTs.
P-STER ( ) ESD ( 12) -valueAge, mean (range), years 51.00 (28.00–77.00) 46.50 (28.00–60.00) 0.371 Gender (male/female) 5/7 3/9 0.098 Lesion size, median (range), cm 1.75 (1.00–3.00) 1.50 (1.20–3.50) 0.890 Pathology results, n (%) Ectopic pancreas 5 (41.67) 5 (41.67) 1.000 Gastrointestinal stromal tumor 3 (25.00) 3 (25.00) Leiomyoma 1 (8.33) 1 (8.33) Lipomyoma 1 (8.33) 1 (8.33) Glomangioma 1 (8.33) 1 (8.33) Inflammatory mass 1 (8.33) 1 (8.33) Distance from pylorus ring, median (range), cm 2.5 (0–3) 2.5 (0–3) 1.000 Location, n (%) 3 o’clock 2 (16.67) 2 (16.67) 1.000 4 o’clock 3 (25.00) 3 (25.00) 6 o’clock 5 (41.67) 5 (41.67) 7 o’clock 1 (8.33) 1 (8.33) 8 o’clock 1 (8.33) 1 (8.33) Lesion origin, n (%) Submucosal layer 5 (41.67) 5 (41.67) 1.000 Muscularis propria layer 7 (58.33) 7 (58.33) The appearance under EUS, n (%) High-medium mixed echo 7 (58.33) 6 (50.00) 0.682 Homogeneous low echo 5 (41.67) 6 (50.00)
P-STER: prepyloric submucosal tunneling endoscopic resection; ESD: endoscopic submucosal dissection; SMTs: submucosal tumors; EUS: endoscopic ultrasonography.