Atlas Tomodensitométrique des Voies de Dérivation ...

Atlas Tomodensitométrique des Voies de Dérivation ... Atlas Tomodensitométrique des Voies de Dérivation ...

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11.07.2015 Views

ConclusionLe scanner multidétecteurstecteurs permet une bonne illustration des voies de dérivation dportosystémiquesqui constituent le signe direct de l’HTPlen imagerie.Il participe au bilan diagnostique, pronostique et thérapeutique de l’HTPlsous réserve rd’une bonne connaissance de l’anatomie let de la physiopathologie du système porte.La plupart des structures viscérales et pariétales abdominales peuvent servir depassage entre le réseau rveineux porte et systémique.La voie de dérivation dla plus fréquemment rencontrée e en TDM est la veine gastriquegauche.Les plus menaçantes antes (risque d’hémorragie ddigestive) pour le patient sont les varicesoesophagiennes et gastriques.L’encéphalopathie hépatique hsurvient le plus souvent en cas de shunt splénornorénal.La veine paraombilicale est une voie acceptable de dérivation den terme dedécompression naturelle du système porte et de complications.

BibliographieKang HK, Jeong YY, Choi JH, Choi S, Chung TW, Seo JJ et al. Three-dimensional multi-detectorrow CT portal venography in the evaluation of portosystemic collateral vessels in liver cirrhosis.Radiographics 2002; 22: 1053-61. Fernandez M, Mejias M, Angermayr B, Garcia-Pagan JC, Rodés J, Bosch J. Inhibition of VEGFreceptor-2 2 decreases the development of hyperdynamic splanchnic circulation and portal-systemiccollateral vessels in portal hypertensive rats. J Hepatol 2005; 43: 98-103.Cho KC, Patel YD, Wachsberg and Seeff J. Varices in portal hypertension : evaluation with CT.Radiographics 1995; 15: 609-22. Arakawa Masahiro , Masuzaki Takao, Okuda Kunio. Pathomorphology of esophageal and gastricvarices. . Seminars in liver disease 2002; 22: 73-82.Kimura Kunio, Ohto Masao, Matsutani Shoichi, Furuse Junji, , Hoshino Kazuhiko, Okuda Kunio.Relative frequencies of portosystemic pathways and renal shunt formation through the “posterior”gastric vein : portography study in 460 patients. Hepatology 1990; 12: 725-8.Widrich WC, Srinivasan M, Semine MC, Robbins AH. Collateral pathways of the left gastric vein inportal hypertension. AJR 1984; 142: 375-82.Sarin SK, Lahoti D, Saxena SP, Murthi NS, Makwana UK. Prevalence, classification and naturalhistory of gastric varices : a long term follow-up study in 568 portal hypertension patients.Hepatology 1992; 16: 1343-9.

BibliographieKang HK, Jeong YY, Choi JH, Choi S, Chung TW, Seo JJ et al. Three-dimensional multi-<strong>de</strong>tectorrow CT portal venography in the evaluation of portosystemic collateral vessels in liver cirrhosis.Radiographics 2002; 22: 1053-61. Fernan<strong>de</strong>z M, Mejias M, Angermayr B, Garcia-Pagan JC, Rodés J, Bosch J. Inhibition of VEGFreceptor-2 2 <strong>de</strong>creases the <strong>de</strong>velopment of hyperdynamic splanchnic circulation and portal-systemiccollateral vessels in portal hypertensive rats. J Hepatol 2005; 43: 98-103.Cho KC, Patel YD, Wachsberg and Seeff J. Varices in portal hypertension : evaluation with CT.Radiographics 1995; 15: 609-22. Arakawa Masahiro , Masuzaki Takao, Okuda Kunio. Pathomorphology of esophageal and gastricvarices. . Seminars in liver disease 2002; 22: 73-82.Kimura Kunio, Ohto Masao, Matsutani Shoichi, Furuse Junji, , Hoshino Kazuhiko, Okuda Kunio.Relative frequencies of portosystemic pathways and renal shunt formation through the “posterior”gastric vein : portography study in 460 patients. Hepatology 1990; 12: 725-8.Widrich WC, Srinivasan M, Semine MC, Robbins AH. Collateral pathways of the left gastric vein inportal hypertension. AJR 1984; 142: 375-82.Sarin SK, Lahoti D, Saxena SP, Murthi NS, Makwana UK. Prevalence, classification and naturalhistory of gastric varices : a long term follow-up study in 568 portal hypertension patients.Hepatology 1992; 16: 1343-9.

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