用于法医分诊的高级医学成像:关于头部 PMCT 和 PMMR 相结合的附加值的研究

IF 0.8 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Forensic Imaging Pub Date : 2024-05-11 DOI:10.1016/j.fri.2024.200598
Ingrid I.H. Haest , Paul A.M. Hofman , Jos P.J. Herbergs , Hans Nelen , Marko Jelicic
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引用次数: 0

摘要

背景荷兰每年约有 170,000 人死亡。荷兰法律规定必须进行检查,以区分自然死亡和非自然死亡。本研究的目的是调查在死后计算机断层扫描(PMCT)的基础上增加死后磁共振(PMMR)是否有助于将死亡分为自然死亡和非自然死亡,并增强对这些分类的信心。方法在这项回顾性研究中,一名法医放射科医生对 50 人的 PMCT 和 PMMR 头部图像进行了评估。评估了 PMMR 对病变检测、死因(COD)、自然死亡与非自然死亡的区分以及置信度的影响。结果增加 PMMR 后,病变检出率有了统计学意义上的显著提高(48%),4 个病例的死因分类发生了变化,分类的可信度也有所提高。10例病例的自然死亡和非自然死亡的区分发生了逆转,20%的病例改变了死亡方式(MOD)的总体分类。如果根据 PMCT 检测结果无法确定死亡方式,则建议对头部进行 PMMR。在最终确定自然死亡和非自然死亡时,应始终考虑外部检查、警方调查和其他可用信息的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Advanced medical imaging for forensic triage: A study of the added value of combining PMCT and PMMR of the head

Background

Approximately 170,000 individuals die annually in the Netherlands. Dutch law mandates examinations to distinguish between natural death and unnatural death. Traditionally, this involves external examinations and an inspection of medical records; however, medical imaging has emerged as a tool for investigating deaths.

Objective

The objective of the study was to investigate whether the addition of post-mortem magnetic resonance (PMMR) to post-mortem computed tomography (PMCT) could assist in the categorisation of deaths as natural or unnatural and augment confidence in those classifications.

Methods

In this retrospective study, the PMCT and PMMR head images of 50 individuals were evaluated by a forensic radiologist. The impact of PMMR on lesion detection, the cause of death (COD), the differentiation between natural death and unnatural death, and confidence levels were assessed. All available case information was used as the reference standard.

Results

The addition of the PMMR led to a statistically significant increase in lesion detection (48%), changes in the classification of COD in four cases, and an increased level of confidence in the classification. Differentiation between natural death and unnatural death reversed in 10 cases, altering the overall manner of death (MOD) classification in 20% of cases.

Conclusion

When PMCT indicates a natural or unnatural death, PMMR is unnecessary. PMMR of the head is recommended in situations in which the MOD is uncertain based on PMCT findings. The ultimate determination of a natural death and unnatural death should always take into account the results of external examinations, police investigations, and other available information.

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来源期刊
Forensic Imaging
Forensic Imaging RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
2.20
自引率
27.30%
发文量
39
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