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相关概念视频

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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...
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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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相关实验视频

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Automated Slide Scanning and Segmentation in Fluorescently-labeled Tissues Using a Widefield High-content Analysis System
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评估尿细胞学幻灯片数字化效率:使用基于人工智能的启发式扫描模拟和多个Z平面扫描的比较研究.

Jen-Fan Hang1,2, Yen-Chuan Ou3, Wei-Lei Yang4

  • 1Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.

Acta cytologica
|April 22, 2024
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概括

使用人工智能的新启发式扫描方法显著减少了数字细胞学幻灯片的扫描时间和文件大小. 这种方法保持了高的细胞覆盖率,提高了诊断尿癌的准确性.

关键词:
人工智能的人工智能是人工智能.数字细胞病理学数字细胞病理学启发式扫描扫描 启发式扫描多个Z-平面扫描扫描.尿细胞学 尿细胞学整个幻灯片图像的图像.

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科学领域:

  • 数字病理学数字病理学
  • 细胞病理学 细胞病理学
  • 医学中的人工智能.

背景情况:

  • 由于细胞分布和深度,数字化3D细胞学幻灯片具有挑战性.
  • 多Z平面扫描是一种解决方案,但会导致长时间的扫描,大文件和复杂的审查.
  • 现有的方法阻碍了数字细胞病理学的临床采用.

研究的目的:

  • 引入和评估启发式扫描方法作为人工智能驱动的替代多Z平面扫描用于细胞学幻灯片.
  • 将启发式扫描的效率和准确性与传统扫描技术进行比较.
  • 评估启发式扫描对尿路癌细胞的解释的影响.

主要方法:

  • 开发了一种基于人工智能的启发式扫描模拟,用于细胞学幻灯片扫描.
  • 启发式扫描与21个Z平面扫描对52个尿细胞学幻灯片进行了比较.
  • 分析了细胞覆盖范围,扫描时间,文件大小和人工智能辅助解释准确度.

主要成果:

  • 启发式扫描实现了与5次Z平面扫描 (0.78-0.91与0.75-0.88) 相比的SHGUC+细胞覆盖率.
  • 显著减少了扫描时间 (137.2-635.0s与332.6-1,278.8s) 和文件大小 (0.51-2.10GB与1.16-3.10GB).
  • 与单个Z平面扫描相比,人工智能辅助解释的准确性更高 (62.5%与37.5%).

结论:

  • 启发式扫描是数字细胞病理学中多Z平面扫描的经济有效的替代方案.
  • 它提供了可比的细胞捕获效率,减少了时间和文件大小.
  • 该方法有望提高数字尿细胞学解释的准确性.