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Hepatic vascular variations and visual three-dimensional reconstruction technique in pediatric patients with
Wei Chen1, Lian Zhao1, Jian Wang2
1Department of Radiology, Children's Hospital of Soochow University, Suzhou, 215025, China.
Insights
This study identified hepatic vascular variations in pediatric patients with choledochal cysts (CDC) using 3D imaging. Visual 3D reconstruction effectively displayed these anatomical variations, aiding in understanding complex cases.
Area of Science:
- Medical Imaging
- Pediatric Surgery
- Vascular Anatomy
Background:
- Choledochal cysts (CDC) are congenital biliary tract malformations.
- Accurate anatomical understanding of hepatic vasculature is crucial for surgical planning in pediatric CDC patients.
- Hepatic vascular variations can complicate CDC management.
Purpose of the Study:
- To identify hepatic vascular variations in pediatric patients with choledochal cysts (CDC).
- To utilize visual three-dimensional (3D) reconstruction for detailed vessel visualization.
- To assess the utility of 3D imaging in displaying CDC-associated vascular anomalies.
Main Methods:
- Retrospective analysis of 84 pediatric patients with pathologically confirmed CDCs and 180 controls.
- Multi-slice spiral CT (MSCT) for image acquisition.
- Hisense computer-assisted surgery (CAS) system for visual 3D image reconstruction.
Main Results:
- Hepatic artery variations occurred in 11.9% and portal vein variations in 19.0% of CDC patients.
- Right hepatic artery variations were noted ventrally to the CDC in 16.7% of cases.
- Visual 3D images clearly depicted hepatic vascular variations and the spatial relationship with the CDC.
Conclusions:
- Hepatic artery and portal vein variations are detectable in pediatric patients with choledochal cysts.
- Visual 3D imaging provides clear, stereoscopic visualization of these anatomical variations.
- 3D reconstruction aids in understanding complex vascular anatomy in CDC cases.
Purpose:
The aim of the present study was to identify the hepatic vascular variations with visual three-dimensional (3D) reconstruction of vessels in pediatric patients with choledochal cyst (CDC).
Methods:
We retrospectively analyzed the data of 84 children with pathologically confirmed CDCs treated in the Children's Hospital of Soochow University. 180 patients without CDCs as a control to analysis the hepatic artery and portal vein anatomy. All patients were examined by multi-slice spiral CT (MSCT) and the images of children with CDC were reconstructed by Hisense computer-assisted surgery system (Hisense CAS) to obtain visual 3D images.
Results:
There were 71 females and 13 males diagnosed with CDC. According to Todani classification of CDC, there were 42 cases of type Ia, 10 cases of type Ic and 32 cases of type IVa. There were 10 (11.9%) patients with hepatic artery variations, 14 (16.7%) patients with right hepatic artery located on the ventral side of the CDC, and 16 (19.0%) patients with portal vein variations. Sex, age and types of the cyst were not associated with the presence of vascular variations. There was no significant difference in hepatic vascular variation between CDCs and control groups. Visual 3D images clearly displayed the hepatic vascular variations and the spatial structure of the CDC in pediatric patients with CDC.
Conclusions:
Hepatic artery and portal vein variations can be detected in pediatric patients with CDC. Visual 3D technique can visually and stereoscopically display the anatomical variations of the hepatic artery and portal vein.
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