Abstract
BackgroundLaparoscopic resections for submucosal tumors (SMTs) of the stomach have been developed rapidly over the past decade. Several types of laparoscopic methods for gastric SMTs have been created. We assessed the short-term outcomes of two commonly used types of laparoscopic local resection (LLR) for gastric SMTs and reported our findings.MethodsWe retrospectively analyzed the clinicopathological results of 266 patients with gastric SMTs whom underwent LLR between January 2006 and September 2016. 228 of these underwent laparoscopic exogastric wedge resection (LEWR), the remaining 38 patients with the tumors near the esophagogastric junction (EGJ) or antrum underwent laparoscopic transgastric resection (LTR).ResultsAll the patients underwent laparoscopic resections successfully. The mean operation times of LEWR and LTR were 90.2 ± 37.2 min and 101.7 ± 38.5 min respectively. The postoperative length of hospital stays for LEWR and LTR were 5.1 ± 2.1 days and 5.3 ± 1.7 days respectively. There was a low complication rate (4.4%) and zero mortality in our series.ConclusionELWR is technically feasible therapy of gastric SMTs. LTR is secure and effective for gastric intraluminal SMTs located near the EGJ or antrum.
Highlights
Laparoscopic resections for submucosal tumors (SMTs) of the stomach have been developed rapidly over the past decade
Based on our extensive laparoscopic gastrectomy (LG) [6,7,8,9,10], we developed laparoscopic transgastric resection (LTR) for tumors located at cardia or antrum
The remaining patients were diagnosed with submucosal tumors other than gastrointestinal stromal tumors (GISTs), such as schwannomas (15 patients), ectopic pancreas (4 patients), leiomyoma (14 patients), lipomas (2 patients) and plasmacytoma (2 patients)
Summary
Laparoscopic resections for submucosal tumors (SMTs) of the stomach have been developed rapidly over the past decade. Several types of laparoscopic methods for gastric SMTs have been created. We assessed the short-term outcomes of two commonly used types of laparoscopic local resection (LLR) for gastric SMTs and reported our findings. Submucosal tumors (SMTs) of the stomach are defined as tumors located beneath the gastric mucosa and include gastrointestinal stromal tumors (GISTs), schwannomas, leiomyomas, malignant lymphomas, lymphangiomas, lipomas, hemangiomas, heterotopic pancreas, et al [1]. A broad clinical spectrum was shown from benign to malignant. It seems tough to deal with diagnosis of the tumors before the operation and evaluation of the extent of latent malignancy. Even a benign tumor can cause a variety of complications such obstruction and bleeding.
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