[Multiple ileal neuroendocrine tumors 10mm in diameter with lymph node metastasis detected on endoscopy:a case report].

A 53-year-old man with an abnormal routine physical examination was referred to our hospital. Colonoscopy showed a 5-mm submucosal tumor that was 7cm proximal to the ileocecal valve. It was identified as a neuroendocrine tumor (NET) on biopsy.

[A case of mucosal prolapse syndrome complicated by well-differentiated tubular adenocarcinoma and high-grade adenoma after long-term follow-up by colonoscopy].

This study included a 45-year-old woman. In 20XX, we performed colonoscopy (CS) on fresh bloody stools, and a diagnosis of rectal mucosal prolapse syndrome (MPS) was made. In 20XX+14 years, CS was reexamined because of fresh bloody stools, and a biopsy of the same site revealed well-differentiated tubular adenocarcinoma.

[Meckel's diverticulum and duplication of the alimentary tract].

Meckel's diverticulum and duplication of the alimentary tract are very important as the congenital anomalies of ileum. As these two diseases have the common clinical characteristics such as sex, age, symptoms and complications, it is often difficult to diagnose before surgery. This report describes and compared the clinical aspects of Meckel's diverticulum and duplication of the alimentary tract, which were experienced at Nagoya University Hospital and Kariya Toyota General Hospital.

Large duodenal somatostatinoma in the third portion associated with severe glucose intolerance.

A 51-year-old man was admitted with hyperglycemia and a duodenal tumor. Although his glycemic control was poor, basal C-peptide levels were not suppressed. Further examination revealed a mass measuring 7.