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Investigations

Authoring team

These include:

  • x-ray of the orbit:
    • local erosion due to malignancy
    • dilatation of the optic foramen from a meningioma or optic nerve glioma
    • local sclerosis from a meningioma
    • calcification from a retinoblastoma or lacrimal gland tumour

  • CT of orbit - defines site of lesion and it's intracranial extent. Coronal views help to define the size of the optic nerve and extraocular muscles, and the upper and lower borders of the orbit

  • MRI - useful in certain cases eg. meningiomas of the optic nerve sheath

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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