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2 results

  • Is there a relationship between mastoid pneumatisation and facial canal dimensions?

  • M Inal, N Bayar Muluk, N Asal, M H Şahan, G Şimşek, O K Arikan
  • Journal:
    The Journal of Laryngology & Otology / Volume 133 / Issue 7 / July 2019
    Published online by Cambridge University Press:
    23 May 2019, pp. 546-553
    Print publication:
    July 2019
  • Objective

    To evaluate mastoid pneumatisation and facial canal dimensions.

    Method

    In this retrospective study, 169 multidetector computed tomography scans of temporal bone were reviewed. Facial canal dimensions were evaluated at the labyrinthine, tympanic and mastoid segments using axial and coronal multidetector computed tomography scans of temporal bone. Mastoid pneumatisation and facial canal dehiscence were evaluated. Facial canal dehiscence was measured if it was found to be present.

    Results

    This study showed that facial canal dimensions decreased in pneumatised mastoids. Facial canal dimensions in females were smaller than in males. Facial canal dehiscence was detected in 5.9 per cent and 6.5 per cent of the patients on the right and left sides, respectively. No correlations were found between facial canal dehiscence and mastoid pneumatisation. The length of dehiscence was 1.92 ± 0.44 mm (range, 0.86–2.51 mm) on the left side. In older subjects, left facial canal dehiscence was detected more, and the length of the dehiscence increased.

    Conclusion

    This study concluded that during surgery, facial canal dehiscence should be kept in mind in order to avoid complications.

  • An observational study of the management of traumatic tympanic membrane perforations

  • J. E. O. Amadasun
  • Journal:
    The Journal of Laryngology & Otology / Volume 116 / Issue 3 / March 2002
    Published online by Cambridge University Press:
    08 March 2006, pp. 181-184
    Print publication:
    March 2002

  • Controversies of how best to treat fresh tympanic membrane perforations have always existed. While some otolaryngologists prefer the paper patch method, others prefer modified myringoplasty. A prospective study is needed to investigate the most effective and least expensive management of this common ear trauma.

    This study examined prospectively, in three sections, a group of patients with a cellophane patch (n = 6), another group with a gentamicin ointment seal (n = 15) and a control group (n = 9) with a gentamicin plug placed at the distal end of the external auditory cavity. Successful healing of the traumatic tympanic membrane perforations was achieved in 50 per cent of the cellophane seal group, 86.7 per cent of the gentamicin ointment seal group and 77.8 per cent of the control group. This study shows that the management of a fresh tympanic membrane perforation should be limited to cleaning the traumatized ear and preventing infection.