This is an education resource only. Ordering of all procedure codes on this website are subject to the Canberra Health Services guidelines for imaging orders.
CT TIB/FIB CONTRAST
FOR ALL EXTREMITIES, PLEASE REFERENCE SIDE AND REGION OF INTEREST TO BE SCANNED IN CT REQUEST
INDICATIONS (1,2)
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Soft tissue mass of the leg (x-ray and US non-diagnostic & MRI contraindicated)
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Soft tissue infection of the lower leg:
- X-ray suggest soft tissue swelling
- Puncture wound, possible foreign body (x-ray normal)
- Necrotizing fasciitis highly suspected
- Soft tissue gas on x-ray, no puncture wound -
Post-operative evaluation
PATIENT PREPARATION
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Patient able to lie still for ten minutes
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Not claustrophobic (sedation may be given)
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Cognitively capable of following basic instructions
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Metal artefacts removed from the region of interest
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No respiratory distress when lying supine
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Not allergic to Iodine based contrast
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No known kidney disease (eGFR below 30 as per RANZCR), however, acute setting consultant may sign to continue with poor renal function
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No hyperthyroidism, may induce thyroid storm
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Patient to have 20G cannula in anterior cubital fossa.
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Preferably patient fasted for 4 hours
ANATOMY INCLUDED
SCAN RANGE: Knee Joint to Ankle joint to include entire tibia/fibula (or area of interest i.e fracture)
CT Tib/Fib Contrast- Soft tissue window (axial)
CT Tib/Fib Contrast- Bone window (axial)
CT Tib/Fib Contrast- Soft tissue window (coronal)
CT Tib/Fib Contrast- Bone window (coronal)
CT Tib/Fib Contrast- Soft tissue window (sagittal)
CT Tib/Fib Contrast- Bone window (sagittal)
CT TIB/FIB NON CONTRAST
FOR ALL EXTREMITIES, PLEASE REFERENCE SIDE AND REGION OF INTEREST TO BE SCANNED IN CT REQUEST
INDICATIONS (1,2)
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Primary bone tumour suspected of the tibia/fibula- osteoid osteoma suspected on x-ray or clinical exam
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Fracture union & healing
PATIENT PREPARATION
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Patient able to lie still for five minutes
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Not claustrophobic (sedation may be given)
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Cognitively capable of following basic instructions
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Metal artefacts removed from the region of interest
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No respiratory distress when lying supine
ANATOMY INCLUDED
SCAN RANGE: Knee Joint to Ankle joint to include entire tibia/fibula (or area of interest i.e fracture)
CT Tib/Fib Non Contrast- Bone window (axial)
CT Tib/Fib Non Contrast- Bone window (coronal)
CT Tib/Fib Non Contrast- Bone window (sagittal)
CT Tib/Fib Non Contrast- Soft tissue window (axial)
*Extra 3D Reconstructions Available
REFERENCES
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American College of Radiology (ACR). Appropriateness Criteria. [ Internet]. 2022 [Updated 2023, Cited 20 Jan 2024]. Available from https://www.acr.org/Clinical-Resources/ACR-Appropriateness-Criteria
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Subhawong, T. K., Fishman, E. K., Swart, J. E., Carrino, J. A., Attar, S., & Fayad, L. M. (2010). Soft-tissue masses and masslike conditions: What does CT add to diagnosis and management? American Journal of Roentgenology, 194(6), 1559–1567. https://doi.org/10.2214/ajr.09.3736