Endoscopic resection appears to be a safe and effective treatment for GCTs in the gastrointestinal tract.

Intestinal metaplasia of the stomach is a common metaplastic lesion associated with chronic gastritis and mucosal atrophy. However, squamous metaplasia is a comparatively rare condition. On endoscopy, squamous metaplasia is usually observed as a whitish mucosal lesion in the lesser curvature of the cardiac region of the stomach. When Lugol's iodine solution is applied, the lesion stains brown in the same way as normal esophageal mucosa. We report a case of 79-year-old man with a whitish flat lesion in the lesser curvature of the cardiac region on surveillance endoscopy after endoscopic treatment of gastric adenoma. The endoscopic biopsy showed stratified squamous epithelial mucosa.

Ectopic pancreas is a congenital anomaly and the most common type of ectopic tissue in the gastrointestinal tract. Most patients with an ectopic pancreas are asymptomatic and rarely have complications. Ectopic pancreatitis after an endoscopic biopsy has not been reported. We report a patient who developed acute ectopic pancreatitis in the stomach after an endoscopic biopsy. A 71-year-old male patient presented with a subepithelial tumor (SET) in the stomach and had no symptoms. Endoscopic ultrasonography demonstrated a 30-mm hypoechoic mural mass, lobulated margins, and anechoic duct-like lesions. To obtain proper tissue specimen, endoscopic biopsy was performed through the opening on the surface of the mass. The pathologic results confirmed an ectopic pancreas. One day after the endoscopic biopsy, he developed persistent epigastric pain. His serum amylase and lipase elevated. Computed tomography of the abdomen showed swelling of the SET and diffuse edema of the gastric wall. His condition was diagnosed as acute ectopic pancreatitis occurring after endoscopic biopsy.

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Behçet's disease shows systemic involvement, including mucocutaneus, ophthalmical, neurological, pulmonary, gastrointestinal, urogenital, mucoskeletal, and cardiovascular disorders. Aneurysmal changes develop in 65% of patients with arterial involvement and are associated with a poor prognosis. Although many attempts have been made to surgically manage these serious arterial lesions, several reports have shown a high recurrence rate and operation-related complications. Stent-graft placement has been indicated for the treatment of pseudoaneurysms and aneurysms in patients with a high surgical risk, including those with Behçet's disease. We herein describe an abdominal aortic pseudoaneurysm in a patient with Behçet's disease that was successfully treated with stent-graft insertion without an endoleak after 36 months of follow-up.