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Journal of Zhejiang University SCIENCE A 2001 Vol.2 No.1 P.111-113

http://doi.org/10.1631/jzus.2001.0111


RELATIONSHIP BETWEEN THE SIZE OF PONTOCEREBELLAR ANGLE TUMOR AND AUDIOLOGY


Author(s):  TANG Jian-guo, CAI Yi

Affiliation(s):  Department of Otorhinolaryngology,Sir Run Run Shaw Hospital,Medical College,Zhejiang University,Hangzhou 310016,China

Corresponding email(s): 

Key Words:  pontocerebellar angle tumor, size of tumor, audiology, ABR


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TANG Jian-guo, CAI Yi. RELATIONSHIP BETWEEN THE SIZE OF PONTOCEREBELLAR ANGLE TUMOR AND AUDIOLOGY[J]. Journal of Zhejiang University Science A, 2001, 2(1): 111-113.

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Abstract: 
Objective: To study the relationship between the size of pontocerebellar angle tumor and audiology. Methods: Retrospective analysis of accoustically evoked brainstem response (ABR) waveforms and pure tone threshold in 27 subjects with tumor of pontocerebellar angle. Results: ABR wave forms and pure tone threshold were significantly affected statistically by the size of tumors, especially those tumor larger than 3 cm in diameter. Conclusion: The primary symptom of the patient was unilateral hearing loss. Early discovery of the lesion is important and ABR is a sensitive tool for early diagnose of the tumor.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[3] Haralampiev,K.,Ribaric,K.,1991.Can size or type of the pontocerebellar tumor be precdicted by an ABR Finding? ORL J Otorhinolaryngol Relat Spec.53(3):126-130.

[4] Jognson,E.W.,1997.Audiotory test results in 500 cases of acoustic neuroma.Arch Otolaryngol.103:152-158.

[5] Kaga,K.,Iwasaki,S.,Tamura,A.S.et al.,1997.Acoustic-neuroma presented as electrocochleography and absence of auditory brainstem response.J Laryngol Otol.111(10):876.

[6] Neely,J.G,1981.Gross and microscopic anatomy of the eighth cranial nerve in relationship to the solitary schwannoma.Laryngoscope.91(Pt1):1512-1531.

[7] Telian,S.A.,Kleny,P.R.,Niparko,J.K.et al,1989.Normal auditory response in patients with acoustic neuroma.Laryngoscope.99(1):10.

[8] Wilson,D.F.,Hodgson,R.S.,1992.Gustafson.M.F.,et al.The sensitivity of auditory brainstem response testing in small acoustic neuroma.Laryngoscope.102(9):961-964.

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