Multimodality imaging of the Meso-Rex bypass

Vincenzo Carollo, Gianluca Marrone, Kelvin Cortis, Giuseppe Mamone, Settimo Caruso, Mariapina Milazzo, Luigi Maruzzelli, Fabrizio di Francesco, Martin Delle, Roberto Miraglia, Jean de Ville de Goyet

Research output: Contribution to journalArticle

Abstract

Extrahepatic portal vein obstruction (EHPVO) is the most common cause of upper gastrointestinal bleeding in children. It is defined as thrombosis of the extrahepatic portal vein with or without extension to the intrahepatic portal veins. The Meso-Rex shunt is the gold standard treatment in children with favorable anatomy since it restores physiological portal liver reperfusion. This is achieved by rerouting the splanchnic venous blood through an autologous graft from the superior mesenteric vein (SMV) into the Rex recess of the left portal vein, curing portal hypertension by doing so. General and hepatobiliary radiologists must be familiar with multimodality imaging appearances of EHPVO and with the role of imaging in identifying suitable candidates for Meso-Rex bypass surgery. Imaging might also detect complications of this procedure, some of which might be treated via interventional radiology.

Original languageEnglish
JournalAbdominal Radiology
DOIs
Publication statusAccepted/In press - Jan 1 2018

Keywords

  • Extrahepatic portal vein thrombosis
  • Meso-Rex bypass
  • Portal vein cavernoma
  • Portography

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Gastroenterology
  • Urology

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