马尾椎和骨盆计算机断层扫描:56 个临床病例的技术、图像质量和解剖变异(2018-2023 年)。

IF 2.4 2区 农林科学 Q1 VETERINARY SCIENCES
Nadine Kristina Elise Ogden, Katja Winderickx, Alison Bennell, John David Stack
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引用次数: 0

摘要

背景:横断面成像可提高复杂解剖区域的诊断准确性。对大量活马和小马的骨盆和尾椎进行计算机断层扫描(CT)的研究以前从未报道过:描述在全身麻醉(GA)下获取马匹尾椎/骨盆 CT 图像的过程,并详细说明该区域的图像质量、伪影和解剖变化:研究设计:回顾性病例系列。方法:纳入对尾椎/骨盆进行 CT 检查的马匹。不包括 6 个月以下的马和死后进行 CT 检查的马。结果:56 匹马(8 个月至 12 个月)接受了 CT 检查:56匹马(8个月至20岁,体重85-680公斤)符合纳入标准。GA从10分钟到60分钟不等(平均:30分钟,中位数:32分钟)。所有马匹均未发生与手术相关的不良事件。所有马匹的图像都被认为具有诊断质量。解剖变异很常见,包括棘间间隙分叉(最宽)的位置、腰椎和骶椎是否存在脊柱裂、最后一节腰椎的形状以及横向关节的位置和融合/塑形程度:主要局限性:并非所有马匹都接受了相同区域的 CT 检查,马匹的体型上限尚不清楚,并将因孔径大小和工作台基础设施而异。图像噪音,尤其是大型马匹的噪音,以及硬件和骨盆产生的光束硬化伪影降低了图像质量。大型马匹的图像质量不足以对软组织进行解读:结论:使用宽孔 CT 机和改良的病人基础设施对活马的尾椎和骨盆进行 CT 扫描是安全的,并能获得诊断图像。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Computed tomography of the equine caudal spine and pelvis: Technique, image quality and anatomical variation in 56 clinical cases (2018-2023).

Background: Cross-sectional imaging improves the diagnostic accuracy of complex anatomical regions. Computed tomography (CT) of the pelvis and caudal spine in a large group of live horses and ponies has not been previously reported.

Objective: To describe the procedure for acquiring CT images of horses' caudal spine/pelvis under general anaesthesia (GA) and to detail the image quality, artefacts and anatomical variations in this region.

Study design: Retrospective case series.

Methods: Horses with CT of the caudal spine/pelvis were included. Horses under 6 months and CT examination performed post-mortem were excluded. Protocols, image quality, region of interest, anatomical features and morbidities were analysed.

Results: Fifty-six horses (8 months to 20 years, 85-680 kg) met the inclusion criteria. GA ranged from 10 to 60 min (mean: 30, median: 32). There were no adverse events recorded in any of the horses associated with the procedure. Images of all horses were considered of diagnostic quality. Anatomical variations were common and included the location of diverging (widest) interspinous space, the presence of spina bifida in the lumbar and sacral spine, the shape of the last lumbar vertebra and the location of intertransverse joints in terms of where they were present and the degree of fusion/modelling.

Main limitations: Not all horses underwent CT examination of the same regions, the upper size limit of horses is unknown and will vary depending on bore size and table infrastructure. Image noise, particularly in large horses and beam hardening artefacts from hardware and pelvis degraded image quality. Images were of insufficient quality in large horses for soft tissue interpretation.

Conclusion: CT of the caudal spine and pelvis in live horses with wide-bore CT machines and modified patient infrastructure was safe and produced diagnostic images.

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来源期刊
Equine Veterinary Journal
Equine Veterinary Journal 农林科学-兽医学
CiteScore
5.10
自引率
13.60%
发文量
161
审稿时长
6-16 weeks
期刊介绍: Equine Veterinary Journal publishes evidence to improve clinical practice or expand scientific knowledge underpinning equine veterinary medicine. This unrivalled international scientific journal is published 6 times per year, containing peer-reviewed articles with original and potentially important findings. Contributions are received from sources worldwide.
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