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CT ORBITS NON CONTRAST

INDICATIONS (1-4)

ct orbits non con indications

  • Visual loss, traumatic, orbital injury suspected

  • Orbital trauma - visual defect

orbits 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

orbits non con anatomy

ANATOMY INCLUDED
 

CT Orbits Non Contrast- Bone window (axial)
CT Orbits Non Contrast- Bone window (coronal)
CT Orbits Non Contrast- Bone Window (sagittal)
CT Orbits Non Contrast- Soft Tissue window (axial)

REFERENCES

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  1. Radiopaedia. CT Paranasal Sinuses (protocol). [Internet]. 2010 [updated 23 March 2023, cited 7 April 2024]. Available from https://radiopaedia.org/articles/ct-paranasal-sinus-protocol-1?lang=gb

  2. Som, P. M., & Curtin, H. D. (2011). Head and neck imaging. Mosby Elsevier.

  3. ACR–ASNR–SPR Practice parameter for the performance of computed tomography (CT) of the extracranial head and neck. American College of Radiology. (2023, August). https://www.acr.org/-/media/ACR/Files/Practice-Parameters/CT-Head-Neck.pdf

  4. 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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