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Minerva Pediatrica 2007 December;59(6):801-7

Copyright © 2007 EDIZIONI MINERVA MEDICA

language: English

Applications of nuclear magnetic resonance in paediatric surgery: magnetic resonance cholangiopancreatography and new sequences

Ragazzi S. 1, Vanzulli A. 2, Del Maschio A. 3, Tomaselli V. 1, Dell’Agnola C. A. 1

1 Division of Paediatric Surgery Niguarda Ca’ Granda Hospital Milan, Italy 2 Division of Radiology Niguarda Ca’ Granda Hospital Milan, Italy 3 Division of Radiology IRCCS San Raffaele Hospital Milan, Italy


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The aim of the study was to evaluate fast magnetic resonance cholangio-pancreatography (MRCP) sequences as an alternative and safe investigation method for neonatal and children’s pancreaticobiliary diseases. Between January 2000 and Decem-ber 2000, five children (age: 1 month – 14 years; mean: 7 years) affected by pancreaticobiliary diseases or already operated for biliary pathologies were studied. Patients were evaluated by 1.5 T magnet single shot T2-weighted sequences (1 image per s, TR = infinite, TE = 150-180 ms). T1-weighted conventional sequences were obtained to study parenchymal tissue. No patient needed general anaesthetic. Only in one case was sedation necessary. Fast MRCP sequences provided very precise information on biliary tract anatomy. They revealed the intra and extrahepatic bile ducts, the gallbladder, the common bile duct and the bilio-pancreatic junction in all cases investigated. MRCP allowed us to evaluate Roux-en-Y type bilio-enteric anastomosis as accurately as percutaneous transhepatic cholangiography (PTC). In addition MRCP was the only reliable study in evaluating Roux-en-Y type anastomosis where ultrasonography (US) and endoscopic retrograde cholangiography (ERCP) could not be used. In conclusion MRCP is an accurate and non-invasive method with which to investigate the anatomy of the pancreaticobiliary tract in children. It could become the investigation of choice after US in the case of biliary and pancreatic diseases.

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