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).
Since 2010, Alexander has played Dr. Maura Isles on the TNT series Rizzoli & Isles-the Commonwealth of Massachusetts' Chief Medical Examiner, who works with the Boston Police Department.lexander played former Secret Service/NCIS Special Agent Kate Todd for the first two seasons of NCIS. Since July 2010 she has starred as Maura Isles on the TNT series Rizzoli & Isles.