[A Case of a Resected Giant Gastric Schwannoma by Laparoscopic Surgery].
PubMed(2019)
Abstract
This case involved a 42-year-old woman who had no remarkable findings in terms of case history and family history. Upper gastrointestinal series performed during a medical examination revealed ulcerative lesions in the anterior wall of the stomach body. Upper gastrointestinal endoscopy was performed, and a submucosal tumor with a maximum diameter of 50mm accompanied by an ulcerative lesion was found in the anterior wall of the lower part of the stomach. She was diagnosed with a schwannoma based on endoscopic ultrasonography-guided fine needle aspiration, and we received consultation for surgical purpose. Surgery was performed with laparoscopic partial resection of the stomach and lymph nodes in the lesser curvature of the stomach. She was discharged on the 7th day after the surgery. The postoperative pathologic findings showed no nuclear fissure or atypia with a diagnosis of a schwannoma and no lymph node metastasis. Gastric schwannoma is a rare disease that arises from Schwann cells of the Auerbach's plexus of the gastric wall muscularis and comprises 0.1-0.2% of all stomach tumors. Preoperative diagnosis is often extremely difficult, and there are reports of malignancy. Treatments and surgical methods should be carefully considered. Herein, we encountered a case of a resected giant gastric schwannoma by laparoscopic surgery, which is reported with a literature review.
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