Cervical Spine Injury
A Clinical Decision Rule to Identify High-Risk Patients for Helical CT Screening
Julian A. Hanson1,
C. Craig Blackmore1,2,
Frederick A. Mann1 and
Anthony J. Wilson1
1
Department of Radiology, Harborview Medical Center, University of Washington
School of Medicine, 325 Ninth Ave, Seattle, WA 98104.
2
Department of Radiology, University of North Carolina, Manning Dr., Chapel
Hill, NC 27599.

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Fig. 1A Screening helical CT technique used to evaluate for cervical and
upper thoracic spine trauma. Lateral cervical and upper thoracic scan
projection shows levels and angulation for helical CT coverage. Reconstruction
interval = 1.5 mm.
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Fig. 1B Screening helical CT technique used to evaluate for cervical and
upper thoracic spine trauma. Midline sagittal reformation obtained from
helical data set shows upper cervical spine.
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Fig. 2. Decision tree shows radiologic screening yields according to imaging
to technique and patient subset (direct admission to Harborview Medical Center
[HMC] or transfer). +ve = true-positive study for cervical spine injury.
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