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).
Warren Cowan (March 13, 1921 â May 14, 2008) was a prominent American film industry publicist. From 1950 to 1992, he was a co-founder and named partner in Rogers & Cowan, the world's largest publicity firm; he established his own firm Cowan & Associates in 1994.