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Life-threatening versus non-life-threatening manual strangulation: are there appropriate criteria for MR imaging of the neck?

Christe, Andreas
Thoeny, Harriet
Ross, Steffen
Spendlove, Danny
Tshering, Dechen
Thali, Michael J
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Published in European Radiology. 2009, vol. 19, no. 8, p. 1882-1889
Abstract The aim of the study was to determine objective radiological signs of danger to life in survivors of manual strangulation and to establish a radiological scoring system for the differentiation between life-threatening and non-life-threatening strangulation by dividing the cross section of the neck into three zones (superficial, middle and deep zone). Forensic pathologists classified 56 survivors of strangulation into life-threatening and non-life-threatening cases by history and clinical examination alone, and two blinded radiologists evaluated the MRIs of the neck. In 15 cases, strangulation was life-threatening (27%), compared with 41 cases in which strangulation was non-life-threatening (73%). The best radiological signs on MRI to differentiate between the two groups were intramuscular haemorrhage/oedema, swelling of platysma and intracutaneous bleeding (all p = 0.02) followed by subcutaneous bleeding (p = 0.034) and haemorrhagic lymph nodes (p = 0.04), all indicating life-threatening strangulation. The radiological scoring system showed a sensitivity and specificity of approximately 70% for life-threatening strangulation, when at least two neck zones were affected. MRI is not only helpful in assessing the severity of strangulation, but is also an excellent documentation tool that is even admissible in court.
Keywords AdolescentAdultChildCritical Illness/classificationFemaleHumansImage Interpretation, Computer-Assisted/methodsMagnetic Resonance Imaging/methodsMaleMiddle AgedNeck Injuries/classification/diagnosisReproducibility of ResultsRisk Assessment/methodsRisk FactorsSensitivity and SpecificitySurvivorsTrauma Severity IndicesYoung Adult
PMID: 19283386
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Research group Groupe Silke Grabherr (969)
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CHRISTE, Andreas et al. Life-threatening versus non-life-threatening manual strangulation: are there appropriate criteria for MR imaging of the neck?. In: European Radiology, 2009, vol. 19, n° 8, p. 1882-1889. doi: 10.1007/s00330-009-1353-2 https://archive-ouverte.unige.ch/unige:112058

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Deposited on : 2018-12-06

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