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Gross pathology: Main duct, branch duct, and mixed duct lesions, which determines surgical management. Main duct lesion is the segmental or diffuse dilatation of main pancreatic duct greater than 5 mm without other causes of obstruction. Meanwhile, branch duct lesion is the pancreatic cyst more than 5 mm that communicates with the main duct.
In 2002, the Japanese Pancreas Society proposed the following diagnostic criteria for autoimmune pancreatitis: [9] I. Pancreatic imaging studies show diffuse narrowing of the main pancreatic duct with irregular wall (more than 1/3 of length of the entire pancreas). II.
[3] [12] A biopsy of the pancreas is not required for the diagnosis. [3] On imaging, pancreatic and bile duct dilatation, atrophy of the pancreas, multiple calcifications of the pancreas, and enlargement of pancreatic glands can be found. [12] On MRI scan, there is a low T1 signal due to inflammation, fibrosis, focal lesions, and calcifications.
The pancreatic duct is generally regarded as abnormally enlarged if being over 3 mm in the head and 2 mm in the body or tail on CT scan. [9] Pancreatic duct or parts of pancreatic duct can be demonstrated on ultrasound in 75 to 85% of people. [10] Pancreatic ductal carcinoma is a common form of pancreatic cancer.
Generally, diseases outlined within the ICD-10 codes K85-K86 within Chapter XI: Diseases of the digestive system should be included in this category. Wikimedia Commons has media related to Diseases and disorders of pancreas .
The human embryo begins life with two ducts in the pancreas, the ventral duct and the dorsal duct. Normally, the two ducts will fuse together to form one main pancreatic duct; this occurs in more than 90% of embryos. In approximately 10% of embryos the ventral and dorsal ducts fail to fuse together, resulting in pancreas divisum.
[10] Other procedures associated with ERCP include the trawling of the common bile duct with a basket or balloon to remove gallstones and the insertion of a plastic stent to assist the drainage of bile. [11] Also, the pancreatic duct can be cannulated and stents be inserted. The pancreatic duct requires visualisation in cases of pancreatitis.
Generally, diseases outlined within the ICD-10 codes K80-K87 within Chapter XI: Diseases of the digestive system should be included in this category. Wikimedia Commons has media related to Diseases and disorders of gallbladder, biliary tract and pancreas .