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相关概念视频

Data Collection III01:05

Data Collection III

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The physical assessment examines the patient for objective data that defines the patient's condition, and aids in formulating the nursing care plan. The purpose of physical assessment is a health status appraisal, which includes identifying health problems, and establishing a database for nursing intervention.
The principles to begin the physical assessment include conducting a comprehensive or problem-related history in a quiet, well-lit room, emphasizing privacy and comfort for the...
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Assessment of blood pressure in brachial artery(one-step method)01:15

Assessment of blood pressure in brachial artery(one-step method)

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This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
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相关实验视频

Updated: Jun 6, 2025

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
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Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

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一种使用便携式文档格式评估乳腺密度的新方法.

Takayoshi Uematsu1, Kazuaki Nakashima2, Takahiro Itoh3

  • 1Shizuoka Cancer Center Hospital, Japan.

Asian Pacific journal of cancer prevention : APJCP
|November 29, 2024
PubMed
概括
此摘要是机器生成的。

在PDF文件上使用乳房影像对乳房密度的评估显示,与工作站的读数有很大或几乎完美的一致性. 这种新的PDF方法为研究和临床环境中的乳腺密度评估提供了可行的替代方案.

关键词:
评估评估的方法乳房的组成 乳房的组成乳腺密度 乳腺密度方法 方法 方法乳房学 乳房学 乳房学

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Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
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A Reproducible Computerized Method for Quantitation of Capillary Density using Nailfold Capillaroscopy
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A Reproducible Computerized Method for Quantitation of Capillary Density using Nailfold Capillaroscopy

Published on: October 27, 2015

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Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
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Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

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Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
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Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

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科学领域:

  • 放射学和医学成像学 医学成像学
  • 乳腺癌查 乳腺癌查
  • 定量成像技术 定量成像技术

背景情况:

  • 乳腺密度评估对于风险分层和补充乳腺癌查至关重要.
  • 关于乳腺密度的国际研究受到传统乳腺扫描的成本和能源需求的挑战.
  • 正在探索一种使用便携式文件格式 (PDF) 进行乳腺密度评估的新方法.

研究的目的:

  • 调查在PDF上查看的乳房影像和在主观乳房密度评估工作站上查看的乳房影像之间的方法间协议.
  • 评估在研究背景下使用PDF用于乳腺密度评估的可行性.

主要方法:

  • 三位放射科医生用PDF和工作站平台对200张正常双边中侧斜视图像进行了两次评估,间隔一个月,使用PDF和工作站平台.
  • 读者内部一致性由一个读者在1个月的间隔内对PDF文件进行两次阅读来评估.
  • 使用加权卡帕系数 (κw) 来量化方法间和观察者内部的一致性.

主要成果:

  • 在四级尺度上 (脂肪,分散,异质密度,极密度) 观察到实质性的平均方法间一致性 (κw = 0.74).
  • 在两级 (非密度,密度) 的尺度上发现了几乎完美的平均方法间一致性 (κw = 0.81).
  • 在PDF读数的四级 (κw = 0.85) 和两级 (κw = 0.90) 尺度上,观察者内部的一致性几乎是完美的.

结论:

  • 乳腺密度评估的乳房扫描读数显示,PDF和工作站查看平台之间的方法间一致性几乎完美.
  • 使用PDF进行乳腺密度评估的观察者内部协议也几乎是完美的,这表明其可靠性很高.
  • 在国际研究中,PDF查看是乳腺密度评估的可靠方法,有可能克服与传统乳房造影相关的挑战.