Effects of Intralabyrinthine Hemorrhage on the Cochlear Elements: A Human Temporal Bone Study

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
Serdar KayaSebahattin Cureoglu

Abstract

To compare histopathologic findings in the cochlea of human temporal bones with versus without intralabyrinthine hemorrhage. Hemorrhagic labyrinthitis can cause sensorineural damage, sudden hearing loss, and vertigo. Yet, to our knowledge, no studies have quantitatively described histopathologic effects of intralabyrinthine hemorrhage on the elements of the cochlea. We analyzed 46 human temporal bone samples from 23 patients with unilateral intralabyrinthine hemorrhage (23 samples from ears with intralabyrinthine hemorrhage and 23 samples from contralateral ears without). We noted the location of hemorrhage in the inner ear, the degree of endolymphatic hydrops, the number of spiral ganglion cells and hair cells, mean loss of fibrocytes in spiral ligament, and areas of the stria vascularis and spiral ligament. Intralabyrinthine hemorrhage caused significant loss of outer hair cells in the lower basal (p = 0.001), upper basal (p = 0.005), and lower middle (p = 0.012) cochlear turns. The degree of endolymphatic hydrops was significantly different between the hemorrhagic and contralateral sides (p = 0.011). But we found no significant difference between the 2 sides in the number of inner hair cells, spiral ganglion cells, and fibro...Continue Reading

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Citations

Mar 18, 2017·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ashley P O'Connell FersterHuseyin Isildak
May 3, 2018·The Annals of Otology, Rhinology, and Laryngology·Xuan WuKaitian Chen
Jun 27, 2019·Clinical Otolaryngology : Official Journal of ENT-UK ; Official Journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·Jinye LiRuozhen Gong
Apr 25, 2017·The Annals of Otology, Rhinology, and Laryngology·Serdar KayaSebahattin Cureoglu
Jul 15, 2021·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Waldemar NaroznyAndrzej Skorek

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Methods Mentioned

BETA
cochlear implant

Software Mentioned

SPOT Advanced
SPOT

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