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Mastoid cortex plasty using bone pate.

Naoaki Yanagihara1, Yasuyuki Hinohira, Hidemitu Sato

  • 1Department of Otolaryngology, Takanoko Hospital, 525-1 Takanoko-cho, Matsuyama 790-0925, Japan. yamagiha@m.ehime-u.ac.jp

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|August 10, 2002
PubMed
Summary

Mastoid cortex plasty effectively reconstructs the mastoid cortex using bone pate, preventing deformity and restoring function. This simple technique is valuable for patients undergoing tympanoplasty.

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Area of Science:

  • Otolaryngology
  • Surgical Techniques
  • Reconstructive Surgery

Background:

  • Postoperative deformity of the mastoid process can occur after tympanoplasty.
  • Preventing soft tissue ingrowth into the mastoid cavity is crucial for maintaining function.

Purpose of the Study:

  • To describe the surgical technique of mastoid cortex plasty using bone pate.
  • To evaluate the clinical significance and efficacy of this procedure.

Main Methods:

  • A retrospective study was conducted at a tertiary medical center.
  • Bone pate from mastoid cortex drilling was mixed with fibrin glue to create a pate plate for defect closure.
  • Mastoid cortex plasty was performed on 49 patients undergoing staged tympanoplasty.

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Main Results:

  • Complete mastoid cortex reconstruction was achieved in 35 patients (71.4%).
  • Soft tissue ingrowth into the mastoid cavity was completely blocked in all patients.
  • Minor defects at drainage tube sites in 14 patients did not impede soft tissue ingrowth prevention.

Conclusions:

  • Mastoid cortex plasty is a simple, rapid, and effective surgical technique.
  • It successfully prevents postoperative mastoid deformity and restores mastoid cavity function.
  • The procedure is valuable in staged tympanoplasty.