scholarly journals Review of uncertainty estimation of porosity analysis using global thresholding in computed tomography data

2021 ◽  
Author(s):  
Victory Armida Janine Jaques ◽  
Anton du Plessis ◽  
Marek Zemek ◽  
Jakub Šalplachta ◽  
Zuzana Stubianová ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Uncertainty Estimation ◽  
Global Thresholding ◽  
Porosity Analysis ◽  
Tomography Data

Morphometry of the sacrum and its implication on trans-sacral corridors using a computed tomography data-based three-dimensional statistical model

2017 ◽  
Vol 17 (8) ◽  
pp. 1141-1147 ◽  
Author(s):  
Daniel Wagner ◽  
Lukas Kamer ◽  
Takeshi Sawaguchi ◽  
Robert Geoff Richards ◽  
Hansrudi Noser ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Statistical Model ◽  
Three Dimensional ◽  
Tomography Data

Effect of Image Display on the Quality of Multiplanar Reconstruction of Computed Tomography Data

1993 ◽  
Vol 28 (2) ◽  
pp. 146-149 ◽  
Author(s):  
ELLIOT K. FISHMAN ◽  
DEREK R. NEY ◽  
AKIRA KAWASHIMA ◽  
WILLIAM W. SCOTT ◽  
DOUGLAS D. ROBERTSON
Keyword(s):  
Computed Tomography ◽  
Image Display ◽  
Multiplanar Reconstruction ◽  
Tomography Data

scholarly journals The use of 3D modeling to determine the parameters of surgical intervention for pulmonary tuberculosis

2020 ◽  
Vol 98 (6) ◽  
pp. 47-51
Author(s):  
E. A. Borodulinа ◽  
A. V. Kolsаnov ◽  
P. V. Rogozhkin ◽  
A. A. Mаnukyan
Keyword(s):  
Computed Tomography ◽  
Pulmonary Tuberculosis ◽  
3D Modeling ◽  
3D Model ◽  
Surgical Intervention ◽  
Bronchial Tree ◽  
Surgical Interventions ◽  
Color Mapping ◽  
Vascular Structures ◽  
Tomography Data

The clinical experience demonstrates the importance of 3D modeling when planning surgical intervention in patients with pulmonary tuberculosis. The 3D model was built up based computed tomography data using Avtoplan software with plug-ins for segmentation of the lung, pathological foci, vascular structures, and bronchial tree. The data obtained during 3D modeling allowed us to plan surgery and the data were fully confirmed during the operation. The 3D model with color mapping reveals syntopy, which is extremely difficult to determine using standard computed tomography and allows the wider use of minimally invasive endoscopic surgical interventions.

scholarly journals Hemodynamic Analysis on the Anastomosis Angle in Arteriovenous Graft Using Multiphase Blood Model

2021 ◽  
Vol 11 (17) ◽  
pp. 8160
Author(s):  
Ji Tae Kim ◽  
Hyangkyoung Kim ◽  
Hong Sun Ryou
Keyword(s):  
Computed Tomography ◽  
Shear Stress ◽  
Wall Shear Stress ◽  
Arteriovenous Graft ◽  
Venous Anastomosis ◽  
Vein Wall ◽  
High Wall Shear Stress ◽  
Anastomosis Site ◽  
Wall Shear ◽  
Tomography Data

Numerical analysis was performed for the effect of the venous anastomosis angle in a forearm arteriovenous graft for hemodialysis using a multiphase blood model. The geometry of the blood vessel was generated based on the patient-computed tomography data. The anastomosis angles were set at 15°, 30°, and 45°. The hematocrit was set at 34%, 45%, and 58%. The larger anastomosis angle, high wall shear stress area >11 Pa, increases to the side of the vein wall away from the anastomosis site. Further, the relatively low wall shear stress area, <3 Pa, occurs near the anastomosis site in larger anastomosis angles. Therefore, the effect of high wall shear stress has advantages in the vicinity of the anastomosis, as the anastomosis angle is larger, but disadvantages as the distance from the anastomosis increases. Moreover, patients with low hematocrit are advantageous for WSS area.

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