This case report describes the first endoscopic submucosal dissection performed at Baylor University Medical Center for high-grade dysplasia of the stomach. The patient, a 76-year-old man with multiple medical comorbidities, presented with 4 months of abdominal pain. Endoscopy found a mass on the lesser curvature, and endoscopic ultrasound confirmed that it did not invade the submucosa. A complete endoscopic resection was performed, alleviating the need for surgical intervention. Endoscopic submucosal dissection offers a minimally invasive treatment for premalignant lesions and early stage cancers of the stomach. Endoscopic resection is as effective as gastrectomy, with less morbidity in select patients with early stage lesions.
Keywords: Endoscopic submucosal dissection; gastric cancer; high-grade dysplasia; upper endoscopy.
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