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相关概念视频

Computed Tomography01:10

Computed Tomography

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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...
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Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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相关实验视频

Updated: Sep 19, 2025

Doppler Optical Coherence Tomography of Retinal Circulation
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Doppler Optical Coherence Tomography of Retinal Circulation

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广场CT外地的血管学.

Yali Jia1, Tristan T Hormel2, Thomas S Hwang2

  • 1Casey Eye Institute, Oregon Health and Science University, Portland, OR, USA; Department of Biomedical Engineering, Oregon Health and Science University, Portland, OR, USA.

Progress in retinal and eye research
|June 15, 2025
PubMed
概括
此摘要是机器生成的。

广场光学连贯断层扫描血管造影 (OCTA) 扩大了视网膜成像能力,使中央和外围病理的同时可视化. 这一进步显著提高了各种眼部疾病的诊断准确度.

关键词:
有关OCT的血管学.视网膜 (retina) 是一个视网膜.广场成像技术的广泛应用.

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Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
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科学领域:

  • 眼科医生 眼科 眼科
  • 医疗成像医学成像
  • 视网膜诊断 视网膜诊断 视网膜诊断

背景情况:

  • 光学连贯断层扫描血管造影 (OCTA) 提供了视网膜微血管结构的高分辨率,非侵入性成像.
  • OCTA对于诊断和监测糖尿病视网膜病变和静脉封闭等疾病至关重要.
  • 传统的OCTA受限于一个狭小的视野,可能缺少外围病理.

研究的目的:

  • 审查广泛的OCTA领域的技术创新.
  • 为了突出广场OCTA的临床实用性.
  • 强调广场OCTA在眼科实践和研究中的日益重要.

主要方法:

  • 审查OCTA成像技术的技术进步.
  • 对广场OCTA的临床应用和诊断能力的分析.
  • 宽场OCTA与传统成像技术的比较.

主要成果:

  • 广场OCTA将视野扩展到中端和更远的地方.
  • 这使得可以同时检测斑点和外围视网膜病理.
  • 广场OCTA显著扩大了眼科诊断和研究应用.

结论:

  • 广场OCTA克服了传统OCTA的视野限制.
  • 它增强了对视网膜疾病的综合评估.
  • 广场OCTA代表了眼科成像和患者护理的重大进步.