ABR results in patients with posterior fossa tumors and normal pure-tone hearing

F. E. Musiek, K. Kibbe-Michal, N. A. Geurkink, A. F. Josey, M. Glasscock

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Sixteen patients with confirmed mass lesions of the posterior fossa and normal hearing sensitivity for pure tones were studied. Patients' main symptoms, auditory brain-stem response (ABR), and lesion size were analyzed. All patients manifested neurologic and/or otoneurologic symptoms or complained of hearing difficulty disproportionate to their pure-tone findings. Interestingly, the patients in this select group were younger (mean = 34 years) than the typical patient with a posterior fossa tumor. ABR results were abnormal in 15 of the patients, although several indices - including absolute and interwave latencies, interaural latency difference, and wave presence/absence - were employed to achieve this sensitivity. Lesion size varied considerably and failed to correlate with ABR or pure-tone results.

Original languageEnglish (US)
Pages (from-to)568-573
Number of pages6
JournalOtolaryngology - Head and Neck Surgery
Volume94
Issue number5
DOIs
StatePublished - 1986

ASJC Scopus subject areas

  • Surgery
  • Otorhinolaryngology

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