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Measurements from imaging studies contribute to the restoration of the anatomical position in the extracorporeal liver
DAI Yi* CHEN Hong ZHAO Guo-gang YANG Han-feng DENG Shi-san
Acta Anatomica Sinica ›› 2015, Vol. 46 ›› Issue (5) : 646-648.
Measurements from imaging studies contribute to the restoration of the anatomical position in the extracorporeal liver
Objective To provide the recovery of the anatomical position of the extracorporeal liver with the aid of measurements obtained from CT and MRI scans of the liver. Methods The correlation of the inferior vena cava (IVC) and portal vein were studied in the transverse, sagittal, and coronal planes of CT and MRI imaging of the liver in 100 patients.To obtained three-dimensional data of the anatomical position of the liver, three angles were determined and measured on three different scanning planes. There were the angle on the transverse plane between horizontal line(tabletop)and the line from the diverticular part of left portal vein to the centre of the IVC; the angle on the sagittal plane between the IVC and tabletop and the angle on the coronal plane between the IVC and middle line of body. Results On the transverse plane, the average left angle was (79.1±9.2)°, on the sagittal plane, the average angle was (7.3±5.1)°, and on the coronal plane, the average angle was (6.1±4.3)°. Conclusion By applying these measurements to the extracorporeal liver, and placing the liver at these angles, the anatomical position can be determined and restored.
Extracorporeal liver / Anatomical position / Angle / Sectional anatomy / Human
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