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      Tronco Hepato-Espleno-Mesentérico. Descripción de una Disposición Anómala del Tronco Celíaco Translated title: Hepato-Splenic-Mesenteric Trunk. Description of an Abnormal Disposition of the Celiac Trunk

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          Abstract

          RESUMEN: El estudio de los patrones arteriales de distribución vascular requiere un conocimiento preciso de las variaciones anatómicas, tanto de origen y distribución de las arterias, como de sus correspondientes ramas arteriales. En este trabajo se describe la presencia de un tronco hepato-espleno-mesentérico, disposición arterial altamente infrecuente. El conocimiento de las distintas posibilidades de disposición de las arterias correspondientes al tronco celíaco y sus ramas será de importancia para la interpretación adecuada de estudios imagenológicos, como así también para la planificación precisa de actos quirúrgicos e intervencionistas en la región abdominal.

          Translated abstract

          SUMMARY: The study of arterial patterns of vascular distribution requires a precise knowledge of the anatomical variations of both origin and distribution of the corresponding arteries and arterial branches. In this work, the presence of a hepatosplenic-mesenteric trunk is described, a highly infrequent arterial disposition. The knowledge of the different possibilities of disposition of the arteries corresponding to the celiac trunk and its branches will be of importance for the adequate interpretation of imaging studies, as well as for the precise planning of surgical and interventional acts in the abdominal region.

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          Most cited references14

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          Variations in the anatomy of the celiac trunk: A systematic review and clinical implications.

          The normal pattern of the celiac trunk (CT) implies its bifurcation to three branches, the common hepatic, the splenic and the left gastric artery. According to the available literature the CT presents several anatomical variations. The purpose of our study is to investigate the different types of these variations, the corresponding incidences and the probable influence of genetic factors, as they are presented in the existing literature. Four databases were searched for eligible articles for the period up to January 2013 and a total of 36 studies were collected. The CT was trifurcated into the three basic branches in the 89.42% (10,906/12,196) of the cases. Bifurcation of the CT occurred in the 7.40% of the pooled samples (903/12,196). Absence of the CT was the rarest variation with a percentage of 0.38% (46/12,196), hepatosplenomesenteric trunk was found in 49 out of the 12,196 cases (0.40%) and the celiacomesenteric trunk presented an incidence of 0.76% (93/12,196). Other variations of the CT were detected in the 1.64% of the pooled cases (199/12,196). The 14.9% of the cases in the cadaveric series (489/3278 specimens), the 10.5% in the imaging series (675/6501 specimens) and the 4.6% (104/2261) in the liver transplantation series presented variations. These differences are statistically significant (p 0.05). Using those data, a novel classification of CT variations is proposed.
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            Anatomic variations in right liver living donors.

            Anatomic knowledge is crucial in right liver living donor transplantation. We reviewed radiologic and surgical findings in right liver donors. Arterial and portal anatomy was assessed in 96 donors, biliary anatomy in 77, and hepatic venous anatomy in 65. Portal vein (PV): 86.4% had classic anatomy; 6.3% had a trifurcated PV; 7.3% had a right anterior PV taken off the left PV. Hepatic artery (HA): 70.8% had classic anatomy; 12.5% had a left HA arising from the left gastric artery; 13.5% had a right HA arising from the superior mesenteric artery; 2.1% had a double replaced left HA and right HA; and in 1.0% the common HA arose from the superior mesenteric artery. Biliary tree: 55.8% had normal anatomy; 14.3% had a trifurcated biliary anatomy; in 5.2% the right anterior bile duct and in 15.6% the right posterior bile duct opened into the left bile duct; in 2.6% the right anterior and in 6.5% the right posterior ducts opened into the common bile duct. Hepatic veins: S5 and S8 accessory hepatic veins had incidences of 43% and 49%, respectively. The incidence of S6 or S7 short hepatic vein was 38%. Anatomic variations are common but do not contraindicate donation; surgeons should be prepared to recognize and manage them.
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              Surgical significance of anatomic variations of the hepatic artery.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                ijmorphol
                International Journal of Morphology
                Int. J. Morphol.
                Sociedad Chilena de Anatomía (Temuco, , Chile )
                0717-9502
                December 2018
                : 36
                : 4
                : 1525-1528
                Affiliations
                [1] Temuco Araucanía orgnameUniversidad de La Frontera orgdiv1Facultad de Medicina Chile
                [3] Temuco Araucanía orgnameUniversidad de La Frontera orgdiv1Facultad de Odontología orgdiv2Centro de Investigación en Ciencias Odontológicas Chile
                [4] Arica Tarapacá orgnameUniversidad de Tarapacá orgdiv1Facultad de Ciencias de la Salud Chile
                [2] Temuco Araucanía orgnameUniversidad de La Frontera orgdiv1Center of Excellence in Morphological and Surgical Studies Chile
                Article
                S0717-95022018000401525
                1c19af7a-a78b-4cd2-9fdb-6b18e8c4c2f8

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 07 May 2018
                : 18 September 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 21, Pages: 4
                Product

                SciELO Chile


                Anatomía Tronco hepato-espleno-mesentérico,Variación anatómica,Tronco celíaco,Hepato-splenic-mesenteric trunk,Anatomical variation,Celiac trunk

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