Abstract
BackgroundThe combination of laparoscopic and endoscopic approaches to neoplasia with a non-exposure technique (CLEAN-NET) is a laparoscopic and endoscopic cooperative surgery (LECS). It combines laparoscopic gastric resection and endoscopic techniques for local resection of gastric tumors, such as gastrointestinal stromal tumors (GIST), with minimal surgical margins. A conventional CLEAN-NET surgical procedure is complex, requiring careful techniques to preserve the cardia, particularly in case of nearby lesions. We describe the case of a patient who underwent a modified CLEAN-NET approach with a semi-circular seromuscular layer incision surrounding the base of the tumor, different from a circular shape seromuscular layer in the conventional CLEAN-NET: around the tumor to preserve mucosal continuity, which acts as a barrier to avoid intraoperative tumor dissemination.Case presentationA 43-year-old woman was referred to our hospital because of a gastric submucosal tumor near the cardia, detected on medical examination. The patient was diagnosed with gastric GIST based on the results of endoscopic ultrasound-guided fine-needle aspiration. Modified CLEAN-NET was performed with a semicircular incision of the seromuscular layer on the opposite side of the cardia, making the surgical procedure simple and minimizing partial resection of the gastric wall, including the tumor, while preserving the cardia. The operative time was 147 min, preoperative blood loss volume was 3 mL, and postoperative hospital stay was 9 days. The resected specimen revealed a minimal resection of the gastric wall, including the tumor. The cardia and gastric nerves were preserved, and the postoperative food intake was good.ConclusionsThe modified CLEAN-NET with semicircular seromuscular layer dissection is a simple and reliable surgical procedure for GIST near the cardia.
Published Version
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