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Fenestral and cochlear otosclerosis: computed tomographic evaluation.

J D Swartz, D W Mandell, R J Wolfson

    The American Journal of Otology
    |November 1, 1985
    PubMed
    Summary
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    Computed tomography (CT) now images otosclerosis, detecting obliterative disease and smaller foci. CT also identifies active cochlear otosclerosis (otospongiosis) by revealing demineralization in the otic capsule.

    Area of Science:

    • Otolaryngology
    • Radiology
    • Medical Imaging

    Background:

    • Conventional multidirectional tomography was previously used for otosclerosis imaging.
    • Computed tomography (CT) has become the standard imaging modality.

    Purpose of the Study:

    • To highlight the advantages of CT in diagnosing otosclerosis.
    • To describe the CT findings of obliterative and active cochlear otosclerosis (otospongiosis).

    Main Methods:

    • Comparison of CT and conventional multidirectional tomography findings.
    • Preoperative imaging of the otic capsule using CT.

    Main Results:

    • CT visualizes obliterative disease, previously seen with multidirectional tomography.
    • CT detects anterior and posterior foci of varying sizes preoperatively.

    Related Experiment Videos

  • Active cochlear otosclerosis (otospongiosis) is diagnosed by CT showing demineralization foci in the otic capsule.

    • Conclusions:

    • CT offers superior visualization of otosclerosis compared to conventional tomography.
    • Accurate preoperative diagnosis of otosclerosis subtypes is facilitated by CT.
    • CT imaging is crucial for otologic surgeons in managing otosclerosis.