Rethinking the use of auditory brainstem response in acoustic neuroma screening

John J. Zappia; Cathleen A. O'Connor; Richard J. Wiet; Elizabeth A. Dinces

doi:10.1097/00005537-199710000-00018

Rethinking the use of auditory brainstem response in acoustic neuroma screening

John J. Zappia, Cathleen A. O'Connor, Richard J. Wiet, Elizabeth A. Dinces

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

The ability of magnetic resonance imaging (MRI) to detect very small acoustic tumors has triggered many to rethink the use of auditory brain-stem response (ABR) in the screening of acoustic tumors. To assess ABR accuracy, we conducted a retrospective study of 388 surgically treated patients. Of these patients, 111 had complete data-bases including both preoperative MRIs and ABRs. The ABR was abnormal by wave V interaural latency difference in 106 (95%) of the cases. Although our overall sensitivity was 95%, sensitivity varied according to tumor size. ABR was abnormal or absent for all tumors (100%) larger than 2 cm in diameter, for 98% of tumors 1.1 to 2 cm in diameter, and for only 89% of tumors less than or equal to 1 cm in diameter. Ramifications of this in the decision-making process are presented. Criteria for cut-off values are also discussed.

Original language	English (US)
Pages (from-to)	1388-1392
Number of pages	5
Journal	Laryngoscope
Volume	107
Issue number	10
DOIs	https://doi.org/10.1097/00005537-199710000-00018
State	Published - Oct 1 1997
Externally published	Yes

ASJC Scopus subject areas

Otorhinolaryngology

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abstract = "The ability of magnetic resonance imaging (MRI) to detect very small acoustic tumors has triggered many to rethink the use of auditory brain-stem response (ABR) in the screening of acoustic tumors. To assess ABR accuracy, we conducted a retrospective study of 388 surgically treated patients. Of these patients, 111 had complete data-bases including both preoperative MRIs and ABRs. The ABR was abnormal by wave V interaural latency difference in 106 (95%) of the cases. Although our overall sensitivity was 95%, sensitivity varied according to tumor size. ABR was abnormal or absent for all tumors (100%) larger than 2 cm in diameter, for 98% of tumors 1.1 to 2 cm in diameter, and for only 89% of tumors less than or equal to 1 cm in diameter. Ramifications of this in the decision-making process are presented. Criteria for cut-off values are also discussed.",

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