Y Yamashita1, T Maekawa, T Sakai, T Shirakusa. 1. Second Department of Surgery, Fukuoka University School of Medicine, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City 814-0180, Japan.
Abstract
BACKGROUND: Laparoscopic intraluminal surgery of the stomach is now widely used for a lesion on the posterior wall. However, this procedure has some technical limitation related to the intricate introduction of the surgical instruments into the gastric lumen. In this article, we report our newly developed technique of transgastrostomal endoscopic surgery that overcomes this limitation and is also suitable for full-thickness gastric wall resection of a lesion in the wall. METHODS: After making a 4-cm-long temporary gastrostomy, a Buess-type endoscope is inserted into the gastric lumen through the gastrostomy. The operation is performed inside the gastric lumen under video camera guidance using electrocautery, scissors, and forceps. After resection, the wound in the mucosa or the wound after full-thickness resection is endoluminally sutured. Mucosal resection was performed in six cases of early gastric carcinoma, two cases of atypical epithelium, and one case of ectopic pancreas. Full-thickness wall resection was performed in four cases of a leiomyoma. RESULTS: In all 13 cases, the lesion could be precisely located by the video camera. All lesions were then resected endoluminally. The mean duration of the operation was 148 min. The postoperative course in all cases was uneventful. CONCLUSIONS: Transgastrostomal endoscopic surgery is minimally invasive and an efficient tissue-preserving technique for the removal of early gastric carcinoma or submucosal tumor.
BACKGROUND: Laparoscopic intraluminal surgery of the stomach is now widely used for a lesion on the posterior wall. However, this procedure has some technical limitation related to the intricate introduction of the surgical instruments into the gastric lumen. In this article, we report our newly developed technique of transgastrostomal endoscopic surgery that overcomes this limitation and is also suitable for full-thickness gastric wall resection of a lesion in the wall. METHODS: After making a 4-cm-long temporary gastrostomy, a Buess-type endoscope is inserted into the gastric lumen through the gastrostomy. The operation is performed inside the gastric lumen under video camera guidance using electrocautery, scissors, and forceps. After resection, the wound in the mucosa or the wound after full-thickness resection is endoluminally sutured. Mucosal resection was performed in six cases of early gastric carcinoma, two cases of atypical epithelium, and one case of ectopic pancreas. Full-thickness wall resection was performed in four cases of a leiomyoma. RESULTS: In all 13 cases, the lesion could be precisely located by the video camera. All lesions were then resected endoluminally. The mean duration of the operation was 148 min. The postoperative course in all cases was uneventful. CONCLUSIONS: Transgastrostomal endoscopic surgery is minimally invasive and an efficient tissue-preserving technique for the removal of early gastric carcinoma or submucosal tumor.
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