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Computed tomographic evaluation of the cavernous sinus

L B Kline, J D Acker, M J Post

    Ophthalmology
    |April 1, 1982
    PubMed
    Summary
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    Computed tomography (CT) effectively visualizes the cavernous sinus for diagnosing sellar and parasellar lesions. Key CT findings for abnormal cavernous sinus include asymmetry and focal density changes.

    Area of Science:

    • Neuroradiology
    • Medical Imaging
    • Neuroanatomy

    Background:

    • Sellar and parasellar lesions require detailed imaging for diagnosis.
    • The cavernous sinus anatomy is complex and crucial for understanding related pathologies.
    • Computed tomography (CT) is a primary imaging modality for these regions.

    Purpose of the Study:

    • To evaluate the computed tomographic (CT) appearance of the cavernous sinus in patients with sellar and parasellar lesions.
    • To identify optimal CT imaging techniques for cavernous sinus visualization.
    • To establish CT criteria for detecting abnormal cavernous sinus conditions.

    Main Methods:

    • Evaluation of over 300 patients with sellar and parasellar lesions.
    • Utilized continuous contrast enhancement in both axial and coronal tomograms.

    Related Experiment Videos

  • Employed coronal projections and reformatted views for detailed imaging.

    • Main Results:

    • Optimal cavernous sinus visualization achieved with continuous contrast enhancement.
    • Coronal and reformatted views enabled imaging of cranial nerves within the sinus.
    • Identified CT criteria for abnormal cavernous sinus: asymmetry of size/shape and focal abnormal densities.

    Conclusions:

    • CT with contrast enhancement is highly effective for evaluating the cavernous sinus.
    • Specific CT findings can reliably indicate pathological conditions of the cavernous sinus.
    • This imaging approach aids in the diagnosis of sellar and parasellar pathologies.