[Clinical features of neuroendocrine tumor of the pancreas: single center study].

Background/aims: Pancreatic neuroendocrine tumors (PNET) are rare and manifest as functioning tumor (FT) or non-functioning tumor (NFT). Although malignant changes are observed in some cases, its prognosis is better than pancreatic cancer. We evaluated clinicoradiologic features and prognosis of FT and NFT.

[Prospective randomized trial of intravenous ciprofloxacin for prevention of bacterial infection in cirrhotic patients with esophageal variceal bleeding].

Background/aims: In cirrhotic patients with esophageal variceal bleeding, bacterial infections are a frequent complication. Oral antibiotic prophylaxis decreases the incidence of bacterial infections. The administration of oral antibiotics, however, may be difficult in some cirrhotic patients with active bleeding.