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Macroscopic bony deficiency of the tegmen tympani in adult temporal bones

  • D.V. Lang (a1)

Abstract

Bony deficiency of the tegmen tympani has been found in cases of fatal intracranial complifications following air insufflation of the middle ear.

This study set out to discover the incidence and appearance of such deficiencies. Sevently bones were examined and twenty per cent of them had tegmental deficiencies. There was no evidence of erosive disease in any of the bones.

Reverse Politzerization following myringotomy has come to be regarded as a potentially dangerous procdure. It is also possible for infection to spread from the middle ear to the meninges, or for C.S.F. to leak into the middle ear from above.

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References

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Ahren, C. and Thulin, C. A. (1965) Lethal intracranial complications following inflation in the external auditory canal in treatment of serous otitis media due to defects in the petrous bone. Acta Otolaryngologica (Stockholm), 60: 407421.
Fairman, H. D., Brown, N. J. and Hallpike, C. S. (1968) Air embolism as a complication of inflation of the tympanum through the external auditory meatus. Acta Otolaryngologica (Stockholm), 66: 6571.
Finses, K. A. (1973) Lethal intracranial complication following air insufflation with a pneumatic otoscope. Acta Otolaryngologica (Stockholm), 75: 436438.
Gibb, A. G. (1979) In Scott Brown's ‘Diseases of the ear, nose and throat’, Eds. Ballantyne, J. and Groves, J.4th edition, Vol. 2, p. 209. London: Butterworths.
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The Journal of Laryngology & Otology
  • ISSN: 0022-2151
  • EISSN: 1748-5460
  • URL: /core/journals/journal-of-laryngology-and-otology
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