Multi-phase postmortem CT angiography: recognizing technique-related artefacts and pitfalls.
Int J Legal Med
; 127(3): 639-52, 2013 May.
Article
em En
| MEDLINE
| ID: mdl-23515679
ABSTRACT
BACKGROUND AND PURPOSE:
Multi-phase postmortem CT angiography (MPMCTA) is increasingly being recognized as a valuable adjunct medicolegal tool to explore the vascular system. Adequate interpretation, however, requires knowledge about the most common technique-related artefacts. The purpose of this study was to identify and index the possible artefacts related to MPMCTA. MATERIAL ANDMETHODS:
An experienced radiologist blinded to all clinical and forensic data retrospectively reviewed 49 MPMCTAs. Each angiographic phase, i.e. arterial, venous and dynamic, was analysed separately to identify phase-specific artefacts based on location and aspect.RESULTS:
Incomplete contrast filling of the cerebral venous system was the most commonly encountered artefact, followed by contrast agent layering in the lumen of the thoracic aorta. Enhancement or so-called oedematization of the digestive system mucosa was also frequently observed.CONCLUSION:
All MPMCTA artefacts observed and described here are reproducible and easily identifiable. Knowledge about these artefacts is important to avoid misinterpreting them as pathological findings.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Autopsia
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Angiografia
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Tomografia Computadorizada por Raios X
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Artefatos
Tipo de estudo:
Observational_studies
/
Prognostic_studies
Limite:
Adolescent
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Adult
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Aged
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Aged80
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Female
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
Int J Legal Med
Assunto da revista:
JURISPRUDENCIA
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
Suíça