Lessons learned from laparoscopic treatment of gastric and gastroesophageal junction stromal cell tumors
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Stromal cell tumors of the gastric and gastroesophageal junction are rare neoplasms that traditionally have been resected for negative margins using an open approach. This study aimed to evaluate the efficacy laparoscopic resection of gastric and gastroesophageal stromal cell tumors and the lessons learned from experience with this method.
This retrospective review evaluated all patients who underwent laparoscopic resection of gastric or esophageal stromal cell tumors at a tertiary referral center between December 2002 and March 2005. Medical records were reviewed with regard to patient demographics, preoperative evaluation, operative approach, tumor location and pathology, length of operation, complications, and length of hospital stay.
A total of 12 consecutive patients with a mean age of 55 ± 5.9 years were treated. Preoperative endoscopic ultrasound (EUS) was performed for 11 of 12 patients with a diagnostic accuracy of 100%, whereas EUS-guided fine-needle aspiration was performed for 10 of 12 patients with a diagnostic accuracy of 50%. Four patients with symptomatic gastroesophageal junction leiomyomas were treated with enucleation and Nissen fundoplication. Eight patients were treated with laparoscopic wedge resection of gastric lesions. Complete R0 resection was achieved for all the patients undergoing laparoscopic resection. Intraoperative endoscopy was performed for four patients and resulted in shorter operative times. The average operative time for this entire series was 169 ± 17 min: 199 ± 24 min for the first six cases and 138 ± 19 min for the last six cases. The median hospital length of stay was 2 days. One patient with esophageal leiomyoma had persistent dysphagia at the 12-month follow-up assessment. There were no other complications and no deaths in this series of patients.
Laparoscopic resection of gastric and gastroesophageal junction stromal cell tumors may be performed safely with low patient morbidity. This approach can achieve adequate surgical margins and lead to short hospital stays. Improvements in the technique have led to shorter operative times.
KeywordsGastrointestinal stromal tumors Leiomyoma Minimally invasive surgery
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