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Auditory Brain-Stem Evoked Responses in Cerebellopontile Angle Tumors
Ramesh C. Deka, MS;
Santosh K. Kacker, MS, FRCS;
Prakash N. Tandon, MS, FRCS
Arch Otolaryngol Head Neck Surg. 1987;113(6):647-650.
Abstract
Large acoustic or nonacoustic cerebellopontile angle tumors cause severe to total hearing loss on the same side. Such a tumor can also cause hearing loss on the opposite side by pressure effect on the brain stem. This was observed in 23 patients with large tumors that were surgically treated. Their computed tomographic scans and surgical findings supported the auditory brain-stem evoked potential changes noted in this study. Early removal of such a tumor is essential to prevent any possible hearing loss on the opposite side that may be produced by the tumor.
(Arch Otolaryngol Head Neck Surg 1987;113:647-650)
Author Affiliations
FNA
From the Departments of Otolaryngology (Drs Deka and Kacker) and Neurosciences Center (Dr Tandon), All India Institute of Medical Sciences, New Delhi.
Footnotes
Accepted for publication Oct 22, 1986.
Presented in part at the 18th International Congress of Audiology, Prague, August 1986, and at the Politzer Society International Conference on Controversies in Otology and Otoneurosurgery, Algheto, Italy, Aug 6 to September 1986.
Reprint requests to Department of Otolaryngology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India (Dr Deka).
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