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  • Title: Retrograde pancreatography. Technical tips and spectrum of pathology.
    Author: Liguory C, Lefebvre JF.
    Journal: Gastrointest Endosc Clin N Am; 1995 Jan; 5(1):81-104. PubMed ID: 7728351.
    Abstract:
    ERP is an important technique in the diagnosis of diseases involving the pancreatic ducts, in determining therapeutic strategy, and in assessing the results of surgical bypass procedures. ERP facilitates the diagnosis of the majority of pancreatic tumors at a stage when they normally present to the clinician. It assists the diagnosis of small tumors in the ampullary region at an early stage when other tests are negative. In cases of obscure recurrent pancreatitis, ERP may identify a mechanical cause (e.g., stone, stricture). ERP is useful in the diagnosis of CCP only in the precalcified stage. If histologic confirmation already has been obtained at surgery, ERCP is not required. Compared with noninvasive techniques, ERP provides additional information: It enables a concomitant examination of the gastroduodenal tract and opacification of the bile ducts; additional procedures may be performed, such as intraductal cytologic brushings, biochemical and cytologic analysis of pancreatic juice, endoscopic manometry, and pancreatoscopy. The diagnostic yield is increased if these procedures are performed during ERCP. Because ERP outlines the ductal anatomy, it is of great value in assessing therapeutic strategy. In cases of acute recurrent pancreatitis or chronic pancreatitis, ERP provides an important baseline for performing procedures such as ductal drainage and therefore reduces the inappropriate use of exploratory laparotomy. In cases of necrotic pancreatitis or pancreatic trauma, ERP enables accurate localization of a pancreatic fistula and facilitates any subsequent surgical procedure. Finally, ERP is the method of choice when assessing the patency of pancreatic-digestive anastomosis.
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