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CT LUMBOSACRAL SPINE NON CONTRAST

NOTE: Please indicate specific vertebral levels for scan range to limit radiation if possible

INDICATIONS (1-3)

lspine non con indications
  • Primary bone tumour suspected suspected on radiography or clinical exam

  • Suspected fracture in setting of axial spondyloarthritis or ankylosis

  • Spinal tumours or vertebral metastasis

  • Suspected axial spondyloarthritis with lumbar symptoms

  • Low back pain (particular if red flags are present):
    - New, history of multiple vertebral compression fractures
    - New, previously treated vertebral compression fracture

  • Radiculopathy, paraesthesia or myopathy, initial exam or if MRI unavailable

  • Lumbar vertebral compression fracture on x-ray:
    - Asymptomatic, history of malignancy, next imaging study
    - Symptomatic, new, history of malignancy, next imaging study
    - Symptomatic, new, no malignancy, next imaging study

  • Age ≥16 years. Blunt trauma meeting criteria for lumbar imaging. Initial imaging.

  • Pre-operative and post-operative evaluation

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  • Red Flags for Spinal Imaging (this applies to all regions)

    • Sinister pain

    • Fever

    • Loss of Weight

    • Prior history of malignancy

    • Infection risk

    • Falls

    • Difficulty walking

lspine non con pt prep

PATIENT PREPARATION

  • Patient able to lie still for five minutes

  • Not claustrophobic (sedation may be given)

  • Cognitively capable of following basic instructions

  • Metal artefacts removed from the region of interest

  • No respiratory distress when lying supine

lspine non con anatomy

ANATOMY INCLUDED
 

CT Lumbosacral Spine Non Contrast- Bone window (axial)
CT Lumbosacral Spine Non Contrast- Bone window (sagittal)
CT Lumbosacral Spine Non Contrast- Bone window (coronal)
CT Lumbosacral Spine Non Contrast- Soft Tissue window (axial)
CT Lumbosacral Spine Non Contrast- Soft Tissue window (sagittal)

REFERENCES

  1. Tins, B. (2010). Technical aspects of CT imaging of the spine. Insights into Imaging, 1(5–6), 349–359. https://doi.org/10.1007/s13244-010-0047-2

  2. Ahmad, Z., Mobasheri, R., Das, T., Vaidya, S., Mallik, S., El-Hussainy, M., & Casey, A. (2014). How to interpret computed tomography of the lumbar spine. The Annals of The Royal College of Surgeons of England, 96(7), 502–507. https://doi.org/10.1308/rcsann.2014.96.7.502

  3. American College of Radiology (ACR). Appropriateness Criteria. [ Internet]. 2022 [Updated 2023, Cited 20 April 2024]. Available from https://www.acr.org/Clinical-Resources/ACR-Appropriateness-Criteria

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