Defects in the bony wall of the mastoid bowl: a study based on staged intact canal-wall tympanoplasty.

@article{Gyo1991DefectsIT,
  title={Defects in the bony wall of the mastoid bowl: a study based on staged intact canal-wall tympanoplasty.},
  author={Kiyofumi Gyo and Naoaki Yanagihara},
  journal={The American journal of otology},
  year={1991},
  volume={12 6},
  pages={403-6}
}
The incidence and outcome of bony wall defects in the mastoid bowl were studied in 175 ears of 167 patients who underwent staged tympanoplasty by the intact canal-wall technique. In the first stage, the middle fossa dura was exposed iatrogenically in 38 ears and pathologically in eight ears through a defect at the tegmen. In the second stage, the bone defect was cured in 27 ears of the former group and in 3 ears of the latter group. The overall cure rate of the defect in the tegmen during these… CONTINUE READING

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