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Segmentación portal hepática mediante imágenes tomográficas tridimensionales reconstituidas / Hepatic portal segmentation using reconstructed three-dimensional tomography images
Durand López, César Augusto; Torres Girón, Carlos Alberto; Cervera Carrillo, Ademar.
  • Durand López, César Augusto; Universidad Ricardo Palma. Facultad de Medicina. Lima. PE
  • Torres Girón, Carlos Alberto; Hospital "José Casimiro Ulloa". Lima. PE
  • Cervera Carrillo, Ademar; Universidad Ricardo Palma. Lima. PE
Int. j. morphol ; 35(3): 859-863, Sept. 2017. ilus
Article in Spanish | LILACS | ID: biblio-893064
RESUMEN
La descripción de las imágenes tridimensionales reconstituidas de tomografías hepáticas (Three-dimensional computed tomographic volume rendering images) tiene alto porcentaje de variaciones anatómicas inexplicables, de tal manera que no orientan en forma definitiva al radiólogo y al cirujano. Este estudio permite ver y describir las ramas segmentarias de la vena porta hepática (A12.3.12.001)*, su relación con las venas hepáticas (A12.3.09.005) y su distribución parenquimal. El estudio es descriptivo y usamos expresiones porcentuales para citar la frecuencia de las características anatómicas, para esto tomamos al azar 56 reconstrucciones tridimensionales de tomografías hepáticas de pacientes adultos. Las ramas segmentarias portales+ y las venas hepáticas fueron identificadas siempre; hallamos siete ramas segmentarias portales en todos los casos, además, que la rama portal segmentaria V (cinco)+ nació de la porta derecha (A12.3.12.002) en 75 % de casos y de la izquierda (A12.3.12.005) en 21,4 %.
ABSTRACT
The anatomical description of reconstructed three-dimensional images of hepatic CT scans (Three-dimensional computed tomographic volume rendering images) has a high percentage of unexplained anatomical variations, so that they do not definitively orient the radiologist and the surgeon. This study allows to observe and to describe the segmental branches of the Hepatic portal vein (A12.3.12.001), its relation with the hepatic veins (A12.3.09.005) and its parenchymal distribution. The study is descriptive and we used percentage expressions to describe the frequency of anatomical characteristics. For this we randomly took 56 three-dimensional reconstructions of liver CTs from adult patients. Portal segmental branches+ and hepatic veins were always identified; we found seven portal segmental branches in all cases. In addition, the segmental portal branch V (five)+ originated from the right portal (A12.3.12.002) in 75 % of cases and from the left (A12.3.12.005) in 21.4 %.
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Full text: Available Index: LILACS (Americas) Main subject: Portal Vein / Liver Type of study: Prognostic study Limits: Female / Humans / Male Language: Spanish Journal: Int. j. morphol Journal subject: Anatomy Year: 2017 Type: Article Affiliation country: Peru Institution/Affiliation country: Hospital "José Casimiro Ulloa"/PE / Universidad Ricardo Palma/PE

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Full text: Available Index: LILACS (Americas) Main subject: Portal Vein / Liver Type of study: Prognostic study Limits: Female / Humans / Male Language: Spanish Journal: Int. j. morphol Journal subject: Anatomy Year: 2017 Type: Article Affiliation country: Peru Institution/Affiliation country: Hospital "José Casimiro Ulloa"/PE / Universidad Ricardo Palma/PE