CAD techniques, challenges, andcontroversies in computed tomographic colonography

CAD techniques, challenges, andcontroversies in computed tomographic colonography
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计算机断层结肠成像中的 CAD 技术、挑战和争议

DOI:
10.1007/s00261-004-0244-x
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发表时间:
2004
期刊:
影响因子:
--
通讯作者:
A. Dachman
A. Dachman
中科院分区:
医学3区
文献类型:
--
作者:
Hiro Yoshida;A. Dachman

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计算机断层结肠成像(CTC)的计算机辅助诊断(CAD)自动检测CTC上可疑息肉和肿块的位置,并为放射科医生提供第二意见。CAD有可能提高放射科医师在息肉和肿块检测中的诊断性能,并降低阅片者之间诊断准确性的变异性,而不会显著增加阅读时间。在过去的几年中,技术的发展大大推进了CAD,并且已经建立了用于检测息肉的基本方案。基于该方案的最新CAD系统产生临床上可接受的高灵敏度和低假阳性率。然而,CTC的CAD仍处于积极的开发中,技术需要进一步改进。本报告描述了预期的好处,当前的基本方案,用于检测CTC上的息肉和肿块的关键技术,当前的检测性能,以及CAD的陷阱,挑战,争议和未来。
Computer-aided diagnosis (CAD) for computed tomographic colonography (CTC) automatically detects the locations of suspicious polyps and masses on CTC and provides radiologists with a second opinion. CAD has the potential to increase radiologists’ diagnostic performance in the detection of polyps and masses and to decrease variability of the diagnostic accuracy among readers without significantly increasing the reading time. Technical developments have advanced CAD substantially during the past several years, and a fundamental scheme for the detection of polyps has been established. The most recent CAD systems based on this scheme produce a clinically acceptable high sensitivity and a low false-positive rate. However, CAD for CTC is still under active development, and the technology needs to be improved further. This report describes the expected benefits, the current fundamental scheme, the key techniques used for detection of polyps and masses on CTC, the current detection performance, as well as the pitfalls, challenges, controversies, and the future of CAD.
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