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The double duct sign is a radiological finding characterized by the simultaneous dilation of the common bile duct and the main pancreatic duct.This sign is significant because it often indicates an obstruction in the distal bile duct and pancreatic duct, frequently caused by serious underlying pathologies such as pancreatic carcinoma or periampullary tumors. [1]
A surgically created passage between the common bile duct and the jejunum in a procedure called a choledochojejunostomy, can be carried out to relieve the symptoms of biliary obstruction as well as allows the bile duct to drain. [5] In infants with biliary atresia, hepatoportoenterostomy is an alternative method of providing bile drainage.
Cholestasis is a condition where the flow of bile from the liver to the duodenum is impaired. [1] The two basic distinctions are: [1] obstructive type of cholestasis, where there is a mechanical blockage in the duct system that can occur from a gallstone or malignancy, and
Bile duct obstruction, which is usually present in acute cholangitis, is generally due to gallstones. 10–30% of cases, however, are due to other causes such as benign stricturing (narrowing of the bile duct without an underlying tumor), postoperative damage or an altered structure of the bile ducts such as narrowing at the site of an anastomosis (surgical connection), various tumors (cancer ...
The aflatoxin damaged liver cells and bile duct cells are removed by neutrophil elastase [23] and by involvement of immune system mediators such as CCL-2 or MCP-1, tumor necrosis factor (TNF), interleukin-6 (IL-6), TGF-beta, endothelin (ET), and nitric oxide (NO). Among these, TGF-beta is the most important pro-fibrogenic cytokine that can be ...
The exceptions to the law are stones that dislodge and acutely block the duct distally to the hepatic/cystic duct junction: Double gallstones with one falling and blocking the common bile duct (responsible for jaundice) and one at the cystic duct (palpable non-tender gallbladder results from precisely a mucocele of the fibrotic gallbladder)