Mechanical obstruction of the eustachian tube by the benign tumor of the parapharyngeal space does not cause otitis media with effusion.

Mechanical obstruction of the eustachian tube by the benign tumor of the parapharyngeal space does not cause otitis media with effusion. Research Abstract Details 

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Mechanical obstruction of the eustachian tube by the benign tumor of the parapharyngeal space does not cause otitis media with effusion. Abstract Text:

Takuro Sumi,Atsunobu Tsunoda,Satoshi Shirakura,Seiji Kishimoto,Takuro Sumi,Atsunobu Tsunoda,Satoshi Shirakura,Seiji Kishimoto,

OBJECTIVE: We are reporting on eustachian tube and middle ear pathologic findings in patients with parapharyngeal tumors. PATIENTS: Eleven cases of eustachian tube involvement as indicated by obstruction due to compression of the tumor were assessed in this study. MAIN OUTCOME MEASURES: Each patient underwent otoscopy, nasopharyngoscopy, a pure-tone hearing test, impedance audiometry, and sonotubometry. RESULTS: All of the tumors were diagnosed benign according to the histologic examination. In 9 of the 11 patients, the pharyngeal opening of the eustachian tube narrowed or was blocked by the tumor. None of the patients showed any response on the tumor side in the sonotubometry. Therefore, gas exchange was prevented through the eustachian tube by the tumor; however, they also showed an intact tympanic membrane and normal hearing tests. CONCLUSION: According to our data, if there is drainage of middle ear fluid through the eustachian tube and the exchange of gas in the middle ear is preserved, otitis media with effusion will not occur even in cases such as these.

Mechanical obstruction of the eustachian tube by the benign tumor of the parapharyngeal space does not cause otitis media with effusion. Publishing Authors By Initials

T Sumi,A Tsunoda,S Shirakura,S Kishimoto,T Sumi,A Tsunoda,S Shirakura,S Kishimoto,

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Mechanical obstruction of the eustachian tube by the benign tumor of the parapharyngeal space does not cause otitis media with effusion. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Otology & neurotology : official publication of th

VOLUME: 28

Page Numbers: 1072-5

Journal Abbreviation: Otol. Neurotol.

ISSN: 1531-7129

DAY: 14

MONTH: Dec

YEAR: 2007

Mechanical obstruction of the eustachian tube by the benign tumor of the parapharyngeal space does not cause otitis media with effusion. Information

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LANGUAGE: eng

NlmUniqueID: 100961504

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Grant and Affiliation Information for Mechanical obstruction of the eustachian tube by the benign tumor of the parapharyngeal space does not cause otitis media with effusion.

AFFILIATION: Department of Otolaryngology, Tokyo Medical and Dental University, Bunkyo-ku, Yushima 1-5-45, Tokyo 113-8519, Japan.

Country: United States

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MEDLINETA: Otol Neurotol

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