Systematic analysis of the radiologic findings of aortic dissections on unenhanced postmortem computed tomography

Ampanozi, Garyfalia; Flach, Patricia M; Fornaro, Juergen; Ross, Steffen G; Schweitzer, Wolf; Thali, Michael J; Ruder, Thomas (2015). Systematic analysis of the radiologic findings of aortic dissections on unenhanced postmortem computed tomography. Forensic science, medicine, and pathology, 11(2), pp. 162-167. Springer 10.1007/s12024-015-9654-z

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The aim of this study was to evaluate the diagnostic criteria and to identify the radiological signs (derived from known radiological signs) for the detection of aortic dissections using postmortem computed tomography (PMCT). Thirty-three aortic dissection cases were retrospectively evaluated; all underwent PMCT and autopsy. The images were initially evaluated independently by two readers and were subsequently evaluated in consensus. Known radiological signs, such as dislocated calcification and an intimomedial flap, were identified. The prevalence of the double sedimentation level in the true and false lumen of the dissected aorta was assessed and defined as a postmortem characteristic sign of aortic dissection. Dislocated calcification was detected in 85% of the cases with aortic calcification; whereas in 54% of the non-calcified aortas, the intimomedial flap could also be recognized. Double sedimentation was identified in 16/33 of the cases. Overall, in 76% (25/33) of the study cases, the described signs, which are indicative for aortic dissection, could be identified. In this study, three diagnostic criteria of aortic dissection were identified using non-enhanced PMCT images of autopsy-confirmed dissection cases.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic, Interventional and Paediatric Radiology

UniBE Contributor:

Ruder, Thomas

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1556-2891

Publisher:

Springer

Language:

English

Submitter:

Aisha Stefania Mzinga

Date Deposited:

21 Mar 2016 10:16

Last Modified:

07 Aug 2017 13:21

Publisher DOI:

10.1007/s12024-015-9654-z

PubMed ID:

25724838

BORIS DOI:

10.7892/boris.77227

URI:

https://boris.unibe.ch/id/eprint/77227

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