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相关概念视频

Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

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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相关实验视频

Updated: May 8, 2026

A Step by Step Protocol for Subretinal Surgery in Rabbits
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在子中使用计算机断层扫描进行眼睛生物识别.

Nicholas Goody1, Nicolas Israeliantz1, Azzurra Massidda2

  • 1Royal (Dick) School of Veterinary Studies, Hospital for Small Animals, The University of Edinburgh, Midlothian, UK.

Veterinary ophthalmology
|March 12, 2024
PubMed
概括
此摘要是机器生成的。

这项研究使用计算机断层扫描 (CT) 来确定家用子眼部生物识别的参考范围. 这些测量有助于检测影响子眼部结构的眼病.

关键词:
衰减减弱化 减弱减弱 减弱尺寸 尺寸 尺寸 尺寸 尺寸异国情调的 异国情调的镜头 镜头 镜头 镜头 镜头参考范围范围的参考范围范围.玻璃体室中的玻璃体.

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科学领域:

  • 兽医眼科医生 兽医眼科医生
  • 比较解剖学的比较解剖学
  • 医疗成像医学成像

背景情况:

  • 眼部生物识别对于诊断动物眼部疾病至关重要.
  • 确定家 (Oryctolagus cuniculus) 的参考范围对于准确的诊断至关重要.
  • 计算机断层扫描 (CT) 为详细的解剖评估提供了一种非侵入性方法.

研究的目的:

  • 开发一种可重复的方法来测量子眼部结构.
  • 为了建立成年家的规范性眼部生物识别参考范围.
  • 为了使用64片多元检测器计算机断层扫描 (CT) 扫描仪进行精确的测量.

主要方法:

  • 对50只健康的成年子100只眼睛进行了回顾性和观察性解剖研究.
  • 来自CT扫描的三维多平面重建被用来测量地球尺寸 (长度,宽度,高度).
  • 测量包括透镜和腔室尺寸,以及透镜和玻璃体腔室衰减,与人口统计数据相比较.

主要成果:

  • 建立了参考范围:地球的宽度 (18.03 ± 0.81毫米),高度 (17.18 ± 0.69毫米) 和长度 (16.64 ± 0.66毫米).
  • 增加的子体重与更大的地球尺寸 (高度,长度,宽度) 相关联.
  • 晚年与增加的透镜衰减和横向透镜宽度有关,与观察者之间和观察者内部的良好协议有关.

结论:

  • CT是一种可靠的方法来测量子的眼部生物识别尺寸.
  • 建立的参考值对于识别影响18个月以上子眼部结构的疾病非常有价值.
  • 这项研究为未来子眼科研究提供了基础.