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Thrombosis of the PV causes extrahepatic portal hypertension and is associated with splenomegaly and the development of venous neo\u2010collaterals, including gastro\u2010oesophageal varices and splenorenal shunts. It has also been incidentally suggested in the literature that patients who have had a Roux\u2010en\u2010Y loop for a biliary reconstruction may present with a cavernomatous transformation of the distal portion of the loop. In this study, 13 children with CEPH caused by thrombosis of the PV after LT were analysed. The study evidenced the development of two types of hepatopetal venous networks: (a) a large cavernoma along the Roux loop and around the biliary anastomosis, and (b) a network of neo\u2010collaterals in the gastro\u2010duodeno\u2010pancreatic area that connected to the intrahepatic portal branches directly through the liver capsule. These hepatopetal venous networks between the venous system of the surrounding organs or the omentum and the intrahepatic portal branches can be identified by radiologists. The relevance for the transplanting physician and the transplant surgeon is discussed.<\/jats:p>","DOI":"10.1111\/petr.13539","type":"journal-article","created":{"date-parts":[[2019,7,22]],"date-time":"2019-07-22T09:30:22Z","timestamp":1563787822000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Unusual venous collateral pathways allow for reperfusion of the intrahepatic portal venous system in children with portal vein thrombosis after split liver transplantation: Clinical relevance and management implications"],"prefix":"10.1111","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5100-463X","authenticated-orcid":false,"given":"Giuseppe","family":"Mamone","sequence":"first","affiliation":[{"name":"Diagnostic and Therapeutic Services, Radiology Unit IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies) Palermo Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Settimo","family":"Caruso","sequence":"additional","affiliation":[{"name":"Diagnostic and Therapeutic Services, Radiology Unit IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies) Palermo Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fabrizio","family":"di Francesco","sequence":"additional","affiliation":[{"name":"Department for the Treatment and Study of Pediatric Abdominal Diseases and Abdominal Transplantation IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies) Palermo Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roberto","family":"Miraglia","sequence":"additional","affiliation":[{"name":"Diagnostic and Therapeutic Services, Radiology Unit IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies) Palermo 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