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Imaging Studies III: Computed Tomography

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

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Updated: May 7, 2026

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum

Published on: March 19, 2017

基于计算机断层扫描的双边分歧的三维分析.

Jana Betschart¹, Lea Estermann¹, Tobias Götschi²

¹Department of Orthopaedics, Hand Surgery Division, Balgrist University Hospital, University of Zürich, Zürich, Switzerland.

Hand surgery & rehabilitation

|December 13, 2024

概括

此摘要是机器生成的。

这项研究分析了手腕的3D骨模型,发现左侧和右侧之间微小但显著的差异. 这些微小的变化不太可能影响使用先进的3D技术进行纠正性骨切除术的计划.

关键词:

双边不对称的情况计算机辅助的规划计算机辅助的规划骨切除术 (osteotomy) 是一个骨切除术.患者特定的患者.护手链 (Phalanges) 是指一个连锁链.

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相关实验视频

Last Updated: May 7, 2026

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum

Published on: March 19, 2017

Four-Dimensional CT Analysis Using Sequential 3D-3D Registration

Four-Dimensional CT Analysis Using Sequential 3D-3D Registration

Published on: November 23, 2019

Analysis of Craniomaxillofacial Malformations in Mice Using Three-dimensional Microcomputed Tomography

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科学领域:

整形外科手术整形外科手术
医学成像医学成像
人类解剖学人类解剖学

背景情况:

纠正性骨切除术的术前规划通常假定双边四肢对称.
关于手腕的对称性存在有限的数据.

研究的目的:

量化评估手腕的三维对称性.
为了确定现有的对称性假设是否适用于 phalangeal 骨分析.

主要方法:

从20名健康参与者 (40只手) 的计算机断层扫描 (CT) 数据创建了所有手环的3D骨模型.
在旋转,偏移,曲-延伸和长度方面评估左侧和右侧关节之间的差异.

主要成果:

在左侧和右侧之间观察到小的平均绝对差异.
在延伸 - 屈曲 (1.1°),伸展 (1.8°),腰 - 半径偏差 (0.9°) 和翻译 (0.2 mm) 中发现了显著的平均差异.
与右侧相比,左侧临近手环表现出显著的发声.

结论:

虽然手手环中存在微小的不对称性,但它们在统计学上是显著的.
这些差异在临床上被认为对正骨切除术的术前规划并不重要,特别是使用先进的3D方法.