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Secretion of pancreatic juice studied with cannulation of pancreatic duct in the pig

100%

Winnicki T. , Brzeski W. , Wasowski R.

nr 2

The following paper deals with the results of a long-lasting cannulation of the porcine pancreas performed using new methods. One method is based on a direct cannulation of the pancreatic duct after its incision. The other (designed by the authors) consists of a cannulation of the pancreas through the minor duodenal papilla. During the 14-day experimental period the efficiency of both methods was evaluated based upon certain indexes of the pancreatic juice secretions, including the level and daily dynamics of the secretions, as well as individual differentiations within two experimental groups. The method of cannulation through the minor duodenal papilla gave better results and a higher efficiency of the secretion, thus it was found to be more advantageous than the cannulation of the pancreatic duct after its incision.

Bilio-pancreatic anomalies obscured with MRCP

86%

Bobek-Billewicz B. , Gorycki T. , Studniarek M. , Szurowska E.

nr 1

47-51

In this article the authors discuss whether or not diagnostic potential of MR cholangiopancreatography is strong enough to replace direct cholangiography in all cases. The pre- surgery analysis of a variety of pancreato-biliary disorders diagnosed using MRCP images is presented with the emphasising the importance of source images. Six cases of pancreato-biliary disorders are presented in which MRCP indicated the place of ductal stenosis as well as the morphologic variants or ductal uninspected shape which is critical for surgery or planned drainage. Coronal and axial MRCP source and MIP images were obtained with 0,5T Gyroscan NT. Anomalies of the biliary or pancreatic ducts included two cases of choledochal cystic dilatation; two cases of aberrant biliary ducts, one case of gallbladder duct variant.and a case of an additional pancreatic duct. In 3 out of 6 cases, the MRCP source images produced using the complementary method supplied more complete information concerning ductal junctions than the MIP images. Whereas in 3 out of 6 cases, both kinds of images were equally reliable. In 4 out of 6 cases, endoscopy was performed, and in 2 cases ERCP images were not diagnostic for ductal anatomy. However, full delineation of biliary and pancreatic ducts was complete in all MRCP images. MRCP within source images and maximum intensity projections show particular promise for the assessment of pancreatobiliary anomalies in order to reduce the number of higher-risk endoscopic interventions. The technique should be the method of choice in cases of suspected pancreato-biliary anomaly resulting from any imaging modality and is helpful for planning the optimal drainage method. In the long run this practice would reduce the number of ducts damaged during surgery.