Association of Helicobacter pylori with central serous chorioretinopathy in Iranian patients.

Aim: This study was conducted to investigate a possible association between H. pylori infection and CSR.

Background: Helicobacter pylori infection is one of the most common infections worldwide.

Cholangiocarcinoma in magnetic resonance cholangiopancreatography and fascioliasis in endoscopic ultrasonography.

Fascioliasis is a worldwide zoonotic infection with Fasciola hepatica and Fasciola gigantica. The zoonoses are particularly endemic in sheep-raising countries and are also endemic in Iran. Typical symptoms that may be associated with fascioliasis can be divided by phases of the disease, including the acute or liver phase, the chronic or biliary phase, and ectopic or pharyngeal fascioliasis.