A Case of Middle Ear Cavity Meningioma with No Apparent Intra-cranial Source

  • Takeda Shoichiro
    Department of Otolaryngology, Kaisei General Hospital
  • Hato Naohito
    Department of Otolaryngology, Ehime University School of Medicine
  • Okada Masahiro
    Department of Otolaryngology, Ehime University School of Medicine
  • Gyo Kiyofumi
    Department of Otolaryngology, Ehime University School of Medicine

Bibliographic Information

Other Title
  • 中耳内に限局した髄膜腫の一例

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Abstract

A 50-year-old woman complained of no symptoms except for fullness of the left ear. Her physical examination revealed a white mass visible through the left intact tympanic membrane, although her pure tone audiogram was within normal limits. CT and MRI showed a solitary mass in the left middle ear. In order to confirming the diagnosis, we performed a trans-mastoid tumor biopsy, and the tumor was microscopically diagnosed as meningioma.<BR>Later, the tumor was successfully removed by combined approach technique, and the canal wall up tympanoplasty type III-i (interposition) was performed. The patient was undergoing regular follow-ups, and for 18 months after her surgery, she was free of any recurrent meningioma and retained good hearing.<BR>There will be arguments both for and against operations in similar cases. Surgery, follow-ups (Wait-and-scan), and radiation can be recommended. To make a decision, further verification and the informed consent are important.

Journal

  • Otology Japan

    Otology Japan 22 (3), 238-243, 2012

    Japan Otological Society

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