Racial considerations in acoustic neuroma removal with hearing preservation via the retrosigmoid approach

W. K. Low*, J. E. Fenton, P. A. Fagan, W. P R Gibson

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    11 Citations (Scopus)

    Abstract

    Racial differences in the size, shape and structure of the cranium exist. This paper evaluates the importance of race in influencing the required sizes of craniotomies for gaining access to the lateral end of the internal auditory meatus without breaching the labyrinth via the retrosigmoid approach. Fine-cut CT scans of the temporal bones (axial cuts) of 34 Chinese and 34 Europeans were studied. The relevant distances and angles of the posterior cranial fossa and temporal bone were measured and statistically significant differences between the two races were found. This led us to the conclusion that a larger craniotomy is required in Europeans than in Chinese. In recommending an optimal size for a retrosigmoid craniotomy to remove acoustic neuromas completely and preserve hearing, the racial factor must be considered.

    Original languageEnglish
    Pages (from-to)783-786
    Number of pages4
    JournalActa Oto-Laryngologica
    Volume115
    Issue number2
    DOIs
    Publication statusPublished - 1995

    Keywords

    • Caucasoid race
    • Chinese
    • Craniometry
    • Craniotomy
    • Ethnic groups
    • Internal auditory canal
    • Mongoloid race
    • Race
    • Whites

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