{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T21:15:18Z","timestamp":1761513318345,"version":"3.33.0"},"reference-count":39,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"11","license":[{"start":{"date-parts":[[2013,11,1]],"date-time":"2013-11-01T00:00:00Z","timestamp":1383264000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2013,8,15]],"date-time":"2013-08-15T00:00:00Z","timestamp":1376524800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2013,11]]},"abstract":"<jats:sec>\n            <jats:title\/>\n            <jats:p>A parenchyma-wise technique for the ex vivo procurement of segment 4 (S4) grafts, based on the detailed architecture of the segment, is proposed. Eighteen normal, fresh livers from adult cadavers were injected differentially with colored latex; dissection casts were prepared; and the intricate architecture of S4 was studied. The portal vein elements of the sheath forming most of the inferior part of S4 (S4b) and the superficial major fraction of its superior part (S4a) arose constantly from the medial aspect of the umbilical part of the left portal vein branch. The arterial elements arose constantly from a branch, whose diameter ranged from 2.00 to 3.35 mm (mean = 2.61 \u00b1 0.54 mm) and whose length ranged from 15.15 to 45.65 mm (mean = 27.98 \u00b1 12.13 mm). The biliary elements coalesced as a single duct at the corner, which was formed from the umbilical and transverse parts of the left portal vein branch; the duct's diameter ranged from 2.90 to 6.85 mm (mean = 3.90 \u00b1 1.34 mm). Theoretically, this parenchymal mass\u2014S4b and the superficial fraction of S4a\u2014could be procured for implantation in an infant, and the rest of the liver could be split for an adult and a child. The portal vein branches of the graft would be procured with a patch from the medial aspect of the donor's umbilical portion of the left portal vein branch. This umbilical portion would be reconstructed with a patch from the donor's round ligament. The recipient's portal vein would be reconstructed through the fashioning of a conduit anastomosed with the graft's venous patch. <jats:italic toggle=\"yes\">Liver Transpl 19:1189\u20131201, 2013<\/jats:italic>. \u00a9 2013 AASLD.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1002\/lt.23700","type":"journal-article","created":{"date-parts":[[2013,7,9]],"date-time":"2013-07-09T12:42:16Z","timestamp":1373373736000},"page":"1189-1201","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":8,"title":["Segment 4 architecture and proposed parenchyma-wise technique for Ex vivo graft procurement and implantation"],"prefix":"10.1097","volume":"19","author":[{"given":"Ramadan M.","family":"El Gharbawy","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bakr M.","family":"Nour","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"R1-4-20250124","doi-asserted-by":"crossref","first-page":"413","DOI":"10.1002\/lt.22479","article-title":"Split liver transplantation using extended right grafts: the natural history of segment 4 and its impact on early postoperative outcomes.","volume":"18","author":"Sepulveda","year":"2012","journal-title":"Liver Transpl"},{"key":"R2-4-20250124","doi-asserted-by":"crossref","first-page":"389","DOI":"10.1002\/lt.23397","article-title":"To split or not to split: that is the question.","volume":"18","author":"Superina","year":"2012","journal-title":"Liver Transpl"},{"key":"R3-4-20250124","doi-asserted-by":"crossref","first-page":"332","DOI":"10.1016\/j.transproceed.2012.01.023","article-title":"Postoperative liver dysfunction in living donors after left-sided graft hepatectomy: portal venous occlusion of the medial segment after lateral segmentectomy and hepatic venous congestion after left lobe hepatectomy.","volume":"44","author":"Kumamoto","year":"2012","journal-title":"Transplant Proc"},{"key":"R4-4-20250124","doi-asserted-by":"crossref","first-page":"696","DOI":"10.1111\/j.1399-3046.2007.00882.x","article-title":"The reduced left lateral segment in pediatric liver transplantation: an alternative to the monosegment graft.","volume":"12","author":"Attia","year":"2008","journal-title":"Pediatr Transplant"},{"key":"R5-4-20250124","doi-asserted-by":"crossref","first-page":"1575","DOI":"10.1016\/j.jpedsurg.2008.02.056","article-title":"Living donor liver transplantation with hyperreduced left lateral segments.","volume":"43","author":"Kasahara","year":"2008","journal-title":"J Pediatr Surg"},{"key":"R6-4-20250124","doi-asserted-by":"crossref","first-page":"709","DOI":"10.1111\/j.1399-3046.2010.01332.x","article-title":"Reduction of left-lateral segment from living donors for liver transplantation in infants weighing less than 7 kg: technical aspects and outcome.","volume":"14","author":"Shirouzu","year":"2010","journal-title":"Pediatr Transplant"},{"key":"R7-4-20250124","doi-asserted-by":"crossref","first-page":"694","DOI":"10.1097\/01.TP.0000079446.94204.F9","article-title":"Living-donor liver transplantation with monosegments.","volume":"76","author":"Kasahara","year":"2003","journal-title":"Transplantation"},{"key":"R8-4-20250124","doi-asserted-by":"crossref","first-page":"564","DOI":"10.1002\/lt.20421","article-title":"Liver transplantation with monosegments. 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