2002
DOI: 10.1590/s0102-86502002000100005
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Abstract: OBJETIVO: Estudar a morfologia do sistema biliar extra-hepático e do trígono cistohepático (triângulo de Calot) analisando a sua disposição, variações ou malformações MÉTODOS: foram investigados 50 cadáveres adultos. RESULTADOS: em 47 casos (94%) a junção hepato-cística se dava próxima ao hilo hepático. Em 3 casos (6%), a junção entre esses ductos se dava distalmente, ao nível da ampola hepato-pancreática (ampola de Vater). O ângulo formado pela junção hepato-cística foi menor que 30º em 72,3% dos casos; em 23… Show more

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Cited by 6 publications
(13 citation statements)
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“…The importance of this anatomical landmark is indisputable for performing the cholecystectomy -a common surgical procedure, which consists of the ligature of the cystic artery and the cystic duct for the subsequent removal of the gallbladder. Considering that in 56% of cases the cystic artery is bound by the cystohepatictriangle (Cavalcanti et al, 2002), this triangle is the key reference for the cholecystectomy procedure since its proper identification makes it much easier to expose and distinguish between the main structures involved in the resection of the gallbladder. That is particularly relevant when appreciating the severity of complications such as hemorrhage, leakage of bile into the peritoneal cavity, and portal vein thrombosis, associated with poor execution of the procedure (Cavalcanti et al).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…The importance of this anatomical landmark is indisputable for performing the cholecystectomy -a common surgical procedure, which consists of the ligature of the cystic artery and the cystic duct for the subsequent removal of the gallbladder. Considering that in 56% of cases the cystic artery is bound by the cystohepatictriangle (Cavalcanti et al, 2002), this triangle is the key reference for the cholecystectomy procedure since its proper identification makes it much easier to expose and distinguish between the main structures involved in the resection of the gallbladder. That is particularly relevant when appreciating the severity of complications such as hemorrhage, leakage of bile into the peritoneal cavity, and portal vein thrombosis, associated with poor execution of the procedure (Cavalcanti et al).…”
Section: Introductionmentioning
confidence: 99%
“…Aberrant ducts which communicate the right hepatic lobe directly with the gallbladder have also been described (Foster & Wayson, 1962;Lamah et al, 2001;Cavalcanti et al) The cystic duct has three common variations: a) insertion into the distal third of the common hepatic duct (9%); b) medial insertion through the left side of the common hepatic duct (10-17%); c) course parallel to the common hepatic duct extending for 2 cm or more (1.5%-25%) according to Turner & Fulcher (2001). On the other hand, insertion of the cystic duct into the left or right hepatic ducts, or influence of the left posterior hepatic duct directly into the cystic duct are considered rare (Turner & Fulcher;Yamakawa et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…The area delimited by the common hepatic and cystic ducts as well as by the edge of the hepatic hilum is called cystohepatic triangle (triangle of Calot). In this triangle, there are important components of the hepatic pedicle, which if wrongly identified in a surgical procedure, may result in severe post-operatory repercussions, such as biliary stenosis, hemorrhages, and hepatic thrombosis [25].…”
Section: Introductionmentioning
confidence: 99%
“…Vale ressaltar, também, que a dissecação cuidadosa do trígono cisto-hepático, no início da cirurgia, protege suas estruturas em caso de variação anatômica (WU et al, 2008). No entanto, é preferível verificar a artéria hepática direita, já que esta corre riscos durante o procedimento cirúrgico, pois, com o rompimento da artéria cística, é possível a ocorrência de hemorragias, contato da bile com o peritônio, como também trombose da veia porta (CAVALCANTI et al, 2002).…”
Section: Ductos Biliaresunclassified
“…Cavalcanti e colaboradores (2002) relataram que, em 30% dos casos, a artéria cística foi a única estrutura presente no trígono cisto-hepático; em 14% o trígono foi ocupado pela artéria cística, veia porta hepática e artéria hepática direita; em 8% estavam presentes as artérias cística e hepática direita; em 2% dos casos, estavam presentes a artéria cística e veia porta hepática e em outros 2% estavam presentes a artéria cística, artérias hepáticas direita e esquerda e veia porta hepática. Além disso, em 22% dos casos, os indivíduos não apresentaram nenhuma dessas estruturas no trígono cisto-hepático (CAVALCANTI et al, 2002).…”
Section: Ductos Biliaresunclassified