Article Abstract Introduction: Cholangiocarcinoma (CCA) is a cancer arising from the epithelium of intrahepatic or extrahepatic bile ducts caused by the malignant transformation of hepatic biliary cholangiocytes [1][2]. Cholangiocarcinoma can occur anywhere from the small peripheral hepatic ducts to the distal common bile duct. The three primary types of CCA and their relative frequency are intrahepatic (10%), distal (40%) and perihilar (50%), the latter being …

Article Abstract: Posterior reversible encephalopathy syndrome (PRES) is an acute encephalopathy that manifests as headache, visual disturbance, altered mental state, and seizures. Introduction: Headache with visual changes is a common presentation with a broad differential and it is important not to miss serious causes. Neuroimaging is becoming more readily available, leading to quicker diagnosis of intracranial pathology. Article Citation: Ng M, Saber S, Stratton R. …