PMID: 6969073Dec 1, 1980Paper

Vestibular findings in patients with acoustic neurinoma

Archives of Otolaryngology
J YlikoskiT Palva

Abstract

We studied the vestibular system of 30 patients with eighth nerve schwannoma. Preoperatively, cold and warm calorizations were performed. At operation, the utriculus and the ampulla of the horizontal semicircular canal as well as the eighth nerve were identified and removed for study. The sensory epithelium of utricular macula and ampullar crista appeared fairly normal in most cases. In one, there was tumor invasion to the labyrinth and in another patchy necrosis of the sensory epithelium. The number and quality of sensory cells varied from case to case. In cases with intact superior vestibular nerve, on light microscopy the histopathologic features of sensory epithelia did not differentiate between groups and symmetrical caloric reactions and with reduced or absent caloric reactions.

Citations

Jan 1, 1997·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·M AdachiR Wu
Jan 1, 1984·The Journal of Laryngology and Otology·L M Flood, A P Brightwell
Jan 1, 1991·Acta Oto-laryngologica. Supplementum·Y OkadaJ Kanzaki
Jan 1, 1995·Acta Oto-laryngologica. Supplementum·S UsamiJ Kanzaki
Jan 1, 1994·Acta Oto-laryngologica·I MoritaT Chiba
Apr 9, 2011·Otolaryngologic Clinics of North America·Faith W Akin, Owen D Murnane

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