Virtuelle vs. reale forensische bildgebende Verfahren

Grabherr, Silke; Baumann, Pia; Fahrni, Stella; Mangin, Patrice; Grimm, Jochen

doi:10.1007/s00194-015-0047-0

Cited by 11 publications

(5 citation statements)

References 25 publications

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“…Neither a clinical radiologist nor an expert in postmortem examination may have those competences, which have to be developed in a common approach between those two different specialties. Some examinations such as PMA require specific material and techniques in order to obtain images comparable to clinical angiographic images (Table 1) [3][4][5]15,17,18,23,31,54,55,78,[82][83][84][85][86][87].…”

Section: Discussionmentioning

confidence: 99%

“…The three-dimensional (3D) demonstration of complex fracture patterns is of highest interest in forensic investigation of traumatic death. In modern forensic imaging, basic and complementary (minimally invasive) methods can be employed as needed [17,18].…”

Section: Postmortem Imaging Methods Used For Cardiac Examinationmentioning

confidence: 99%

“…One of the main disadvantages of CR is the fact that soft tissue is visualized in a very limited way. No detailed images of organ parenchyma are obtainable [17], which renders its application to the investigation of natural death extremely limited. The use of plain radiography for investigating the heart is mainly useful in the detection of radiopaque foreign bodies such as radiopaque stents, or to grossly assess the shape of the heart.…”

Section: Crmentioning

confidence: 99%

“…Its physical principle is based on use of the magnetic properties of certain atomic nuclei. After stimulation by magnetic fields and radiofrequency, specific signals are emitted which can be transformed into images [17,18]. MRI is especially useful to investigate soft tissue.…”

Section: Pmmrmentioning

confidence: 99%

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Postmortem imaging as a complementary tool for the investigation of cardiac death

Michaud

Genet

Sabatasso

et al. 2019

Forensic Sciences Research

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In the past 2 decades, modern radiological methods, such as multiple detector computed tomography (MDCT), MDCT-angiography, and cardiac magnetic resonance imaging (MRI) were introduced into postmortem practice for investigation of sudden death (SD), including cases of sudden cardiac death (SCD). In forensic cases, the underlying cause of SD is most frequently cardiovascular with coronary atherosclerotic disease as the leading cause. There are many controversies about the role of postmortem imaging in establishing the cause of death and especially the value of minimally invasive autopsy techniques. This paper discusses the state of the art for postmortem radiological evaluation of the heart compared to classical postmortem examination, especially in cases of SCD. In SCD cases, postmortem CT is helpful to estimate the heart size and to visualize haemopericardium and calcified plaques and valves, as well as to identify and locate cardiovascular devices. Angiographic methods are useful to provide a detailed view of the coronary arteries and to analyse them, especially regarding the extent and location of stenosis and obstruction. In postsurgical cases, it allows verification and documentation of the patency of stents and bypass grafts before opening the body. Postmortem MRI is used to investigate soft tissues such as the myocardium, but images are susceptible to postmortem changes and further work is necessary to increase the understanding of these radiological aspects, especially of the ischemic myocardium. In postsurgery cases, the value of postmortem imaging of the heart is reportedly for the diagnostic and documentation purposes. The implementation of new imaging methods into routine postmortem practice is challenging, as it requires not only an investment in equipment but, more importantly, investment in the expertise of interpreting the images. Once those requirements are implemented, however, they bring great advantages in investigating cases of SCD, as they allow documentation of the body, orientation of sampling for further analyses and gathering of other information that cannot be obtained by conventional autopsy such as a complete visualization of the vascular system using postmortem angiography. KEY POINTSThere are no established guidelines for the interpretation of postmortem imaging examination of the heart At present, postmortem imaging methods are considered as less accurate than the autopsy for cardiac deaths Postmortem imaging is useful as a complementary tool for cardiac deaths There is still a need to validate postmortem imaging in cardiac deaths by comparing with autopsy findings ARTICLE HISTORY

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Section: Discussionmentioning

confidence: 99%

Section: Postmortem Imaging Methods Used For Cardiac Examinationmentioning

confidence: 99%

Section: Crmentioning

confidence: 99%

Section: Pmmrmentioning

confidence: 99%

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Postmortem imaging as a complementary tool for the investigation of cardiac death

Michaud

Genet

Sabatasso

et al. 2019

Forensic Sciences Research

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“…Direct comparison of autopsy findings and imaging findings is not easy. Each technique has its advantages and disadvantages, 9,10,84,87 and the sensitivity and specificity of imaging versus autopsy depend on the modality used and the case itself. 10,88,89 Classic autopsy has its own strengths and weaknesses; in current practice, its value is enhanced by adding complementary techniques in order to establish a correct diagnosis.…”

Section: The Role Of Forensic Imaging In Legal Medicinementioning

confidence: 99%

Post-mortem imaging in forensic investigations: current utility, limitations, and ongoing developments

Grabherr¹,

Baumann²,

Minoiu³

et al. 2016

RRFMS

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Forensic imaging is a new field with increasing application all over the world. However, its role in legal medicine is controversial, mostly due to the use of undefined and unclear terms. The aim of this article is to describe forensic imaging and to explain the various techniques that pertain to it. Essentially, these methods consist of radiological methods such as conventional radiography, computed tomography, and magnetic resonance imaging, but other techniques such as 3D surface scanning are also employed. Computed tomography can be combined with minimally invasive strategies such as image-guided sampling or post-mortem angiography. We provide an overview of the advantages and limitations of these methods, which must be identified and understood to enable correct application.

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Strength and Limits of Conventional Forensic Medicine

Madea

2019

Radiology in Forensic Medicine

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Virtuelle vs. reale forensische bildgebende Verfahren

Cited by 11 publications

References 25 publications

Postmortem imaging as a complementary tool for the investigation of cardiac death

Postmortem imaging as a complementary tool for the investigation of cardiac death

Post-mortem imaging in forensic investigations: current utility, limitations, and ongoing developments

Strength and Limits of Conventional Forensic Medicine

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