Whenever there is bile duct dilatation, the first priority is to look for obstruction. Obstruction. If there is an obstruction, we first look for gallstones in the bile duct. If there are no gallstones involved, we then look for strictures. The differential diagnosis for a stricture is based on the location.
James alexander Warren. James alexander Warren is a producer and writer, known for Yazoo Women (2015), S E Q U E N C E (2015) and Dreamscaping (2014).
Alexander Alex Rider is the main character of the popular Alex Rider series of novels by British author Anthony Horowitz. He is also the main character of several short stories by Horowitz that are considered canon in the series. Alex is a young agent for MI6, the British international intelligence service.