Temporal bone studies of the human peripheral vestibular system



Publisher: Annals Publishing in St. Louis, MO

Written in English
Published: Pages: 31 Downloads: 127
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Subjects:

  • Vestibular apparatus -- Diseases,
  • Temporal bone,
  • Hair cells

Edition Notes

SeriesAnnals of otology, rhinology & laryngology -- 181
Classifications
LC ClassificationsRF21 .A5 no.181
The Physical Object
Pagination31 p. :
Number of Pages31
ID Numbers
Open LibraryOL22856546M

Data were evaluated by a computer system. There were 13 volunteers (26 ears) included in our study. In an additional experiment, temperatures of human temporal bones were measured by thermography, while a continuous or pulsating EM field was applied. Results: In no volunteer could EM radiation-induced nystagmus be recorded. This corresponds. N2 - Objective To evaluate the histopathologic changes of dark, transitional, and hair cells of the vestibular system in human temporal bones from patients with chronic otitis media. Study Design Comparative human temporal bone study. Setting Otopathology laboratory. The membranous labyrinth is the bony external wall of the inner ear, located within the temporal bone. It is filled with endolymph and surrounded by perilymph, lies in the bony labyrinthine space within the temporal bone of the skull base ().Two special sensory systems receive their input from structures in the membranous labyrinth: the auditory system, from the cochlea (see Chapter 16), and.   Merchant SN, Velázquez-Villaseñor L, Tsuji K, Glynn RJ, Wall C, Rauch SD () Temporal bone studies of the human peripheral vestibular system. Normative vestibular hair cell data. Ann Otol Rhinol Laryngol Suppl –13 PubMed Google Scholar.

  Al- though three temporal bones in our study (pa- tients 1, 3, and 4) showed extensive pathologic changes of the vestibular end organs, with total fibrosis and ossification or severe degeneration, in two of these temporal bones (patients 1 and 3) the density of the vestibular neurons in the internal auditory canal was normal, and one temporal.   The experimental setup was similar to that used for caloric (hot and cold water) testing of the peripheral vestibular organ. Data were evaluated by a computer system. There were 13 volunteers (26 ears) included in our study. In an additional experiment, temperatures of human temporal bones were measured by thermography, while a continuous or.   Temporal bone studies of the human peripheral vestibular system: 1. Normative vestibular hair cell data. Annals of Otology, Rhinology & Laryngology, (5), 3– Updated with new color graphics and new video CD of surgical and diagnostic procedures, this 6th edition retains its heritage as the classic textbook in otology and neurotology. Coverage includes scientific foundations and fundamentals, clinical evaluation and rehabilitation and sections on the external ear, inner ear, tympanomastoid compartment, internal auditory canal/Cerebellopontine angle 4/5(2).

Merchant SN, Velázquez-Villaseñor L, Tsuji K, Glynn RJ, Wall C, Rauch SD. Temporal bone studies of the human peripheral vestibular system. Normative vestibular hair cell data. Ann Otol Rhinol Laryngol Suppl. May; PMID: This pilot study provides multivariate models that predict caloric asymmetry in subjects without vestibular pathologic findings per caloric testing, based on interaural differences across variables of the temporal bone anatomy. last two thirds is bone w/in tympanic portion of temporal bone w/ tight skin ending at TM opening from OE to ME. smallest bone in human body. 3 parts of stapes. capitulum crus footplate. peripheral vestibular system. vestibular structures outside the CNS semicircular canals, saccule, utricle. Despite our understanding of the impact of noise-induced damage to the auditory system, much less is known about the impact of noise exposure on the vestibular system. In this article, we review the anatomical, physiological, and functional evidence for noise-induced damage to peripheral and central vestibular structures. Morphological studies in several animal models have demonstrated.

Temporal bone studies of the human peripheral vestibular system Download PDF EPUB FB2

Scarpa's ganglion cell counts were performed in serially sectioned, normal human temporal bones from 75 individuals. Of these bones, 15 were from neonates less than 30 days old, 14 were from infants between the ages of 1 and 12 months, and the remainder were distributed throughout each decade of life, with sample sizes ranging from 4 to 10 per by: Abstract Quantitative studies of the vestibular system with serially sectioned human temporal bones have been limited because of difficulty in distinguishing hair cells from supporting cells and type I from type II hair cells.

In addition, there is only a limited amount of normative data available regarding vestibular hair cell counts in by: Get this from a library. Temporal bone studies of the human peripheral vestibular system. PDF | Scarpa's ganglion cell counts were performed in serially sectioned, normal human temporal bones from 75 individuals.

Of these bones, 15 | Find, read and cite all the research you. Temporal bone studies of the human peripheral vestibular system. Meniere's disease. Tsuji K(1), Velázquez-Villaseñor L, Rauch SD, Glynn RJ, Wall C 3rd, Merchant SN. Author information: (1)Department of Otolaryngology, Massachusetts Eye and Ear Infirmiary, Bostonby: Temporal bone studies of the human peripheral vestibular system.

Aminoglycoside ototoxicity Article (PDF Available) in The Annals of otology, rhinology & laryngology. Temporal bone studies of the human peripheral vestibular system. Meniere's disease. Tsuji K, Velázquez-Villaseñor L, Rauch SD, Glynn RJ, Wall C, Merchant SN.

Ann Otol Rhinol Laryngol Suppl,01 May Cited by: 39 articles | PMID: Temporal bone studies of the human peripheral vestibular system.

Meniere's disease. Quantitative assessments of vestibular hair cells and Scarpa's ganglion cells were performed on temporal bones from 24 patients with well-documented Meniere's disease.

Vestibular hair cell counts were made in each of the 5 sense organs by Nomarski. Temporal bone studies of the human peripheral vestibular system. Aminoglycoside ototoxicity. (PMID) Quantitative assessments of vestibular hair cells and Scarpa's ganglion cells were performed on 17 temporal bones from 10 individuals who had well-documented clinical evidence of aminoglycoside ototoxicity (streptomycin, kanamycin.

studies have examined the peripheral vestibular system following meningitis,11,17,18 It is estimated that 15% to 85% of children with SNHL following meningitis present with associated vestibular dys-function,11,18 Zingler et al reported bilateral vestibular dysfunction in 11% of patients with dizziness, in which 5% of the cases were.

Tsuji K, Velazquez-Villasenor L, Rauch SD, Temporal bone studies of the human peripheral vestibular system book RJ, Wall C 3rd, Merchant SN () Temporal bone studies of the human peripheral vestibular system. Aminoglycoside ototoxicity. Ann Otol Rhinol Laryngol Suppl –25 PubMed Google Scholar.

Quantitative studies of the vestibular system with serially sectioned human temporal bones have been limited because of difficulty in distinguishing hair cells from supporting cells and type I. Vestibular symptoms are a common sequela of temporal bone fractures (TBFs).

The mechanisms of injury to the peripheral vestibular system following TBF, however, are not well described. Herein, we aimed to investigate the histopathology of the peripheral vestibular system in patients who sustained TBFs. Study Design. Kojiro Tsuji's 8 research works with citations and reads, including: Temporal bone studies of the human peripheral vestibular system.

Normative vestibular hair cell data. Аbstract Studies on vestibular system have brought new experimental studies, clinical examinations, and the development of effective treatment for a number of diseases of this system.

In particular, vestibular paroxysmal positional disorders of peripheral and central origin have been studied. The main criteria for differential diagnosis of these disorders have been determined. The material was obtained from The Copenhagen Temporal Bone ular schwannomas were associated with atrophy of the vestibular ganglion, loss of fiber density of the peripheral vestibular nerve branches, and atrophy of the neuroepithelium of the vestibular end organs.

Comparative human temporal bone study. Methods We assessed the sensory epithelium of the human vestibular system with a focus on the number of type I and type II hair cells, as well as the total number of hair cells. View chapter Purchase book.

Read full chapter of the vestibular system that occur with disorders of the central components of the vestibular system and not with peripheral vestibular system disorders are the presence of an abnormal nystagmus that changes directions when the position of human temporal bone studies report a gradual.

Herein, we aimed to investigate the histopathology of the peripheral vestibular system in patients who sustained TBFs. STUDY DESIGN: Retrospective human specimen analysis.

METHODS: Specimens from the National Temporal Bone Pathology Registry with (cases) and without (controls) TBFs were evaluated. Vestibular symptoms such as dizziness and vertigo are common after head injury and may be due to trauma to the peripheral vestibular system. The pathophysiology of peripheral vestibular symptoms following head injury without temporal bone.

Temporal bone studies of the vestibular labyrinth revealed partial degeneration of the superior division of the vestibular nerves. The authors performed cell counts in Scarpa's ganglion of the superior and inferior vestibular nerves in 15 control temporal bones from patients of varying ages with no history of ear disease or hearing loss.

T1 - Histopathologic findings in peripheral vestibular system from patients with systemic lupus erythematosus.

T2 - A human temporal bone study. AU - Kariya, Shin. AU - Hizli, Ömer. AU - Kaya, Serdar. AU - Hizli, Pelin. AU - Nishizaki, Kazunori. AU - Paparella, Michael M. AU - Cureoglu, Sebahattin. PY - /12/1. Y1 - /12/1. Velázquez-Villaseñor L, Merchant SN, Tsuji K, Glynn RJ, Wall C 3rd, Rauch SD () Temporal bone studies of the human peripheral vestibular system.

Normative Scarpa’s ganglion cell data. Ann Otol Rhinol Laryngol –19 Google Scholar. Temporal Bone Studies of the Human Peripheral Vestibular System: 2.

Normative Scarpa's Ganglion Cell June The Annals of otology, rhinology & laryngology. Tsuji K, Velazquez-Villasenor L, Rauch SD, Glynn RJ, Wall C 3rd, Merchant SN () Temporal bone studies of the human peripheral vestibular system. Meniere’s disease.

Ann Otol Rhinol Laryngol Suppl – CAS PubMed Google Scholar. A bstract: Histologic sections of the human temporal bone display snapshots of the entire lifetime integrated into the moment the bone enters fixative. The bulk of the literature on vestibular histopathology is anecdotal and descriptive in nature, rather than quantitative.

This is because the means of describing and measuring patients' vestibular symptoms are poorly developed, and the complex.

Temporal bone changes were described in a 66 year old woman with polyarteritis nodosa who became deaf 7 months before death. Polyarteritis nodosa of the left internal auditory artery was demonstrated with fibrosis and bone formation involving the cochlea and vestibular system. Endolymphatic hydrops of the basal turn of the cochlea was also present, as well as a chronic perforation of the free.

This study presents a systematic and detailed assessment of vestibular histopathology in temporal bones from patients with VS.

METHODS: Retrospective analysis of vestibular system histopathology. Tsuji K, Velázquez-Villaseñor L, Rauch SD, et al. Temporal bone studies of the human peripheral vestibular system. Meniere's disease. Ann Otol Rhinol. Objective: To assess, for the first time in a human with a long-term vestibular loss, a modified approach to the ampullae and the feasibility of evoking a VOR by ampullar als and methods: Peroperative stimulation of the ampullae, using the ampullar approach, was performed under full anesthesia during cochlear implantation in a year-old female patient, who had experienced.

A morphological study of human vestibular sensory epithelia. Arch Otolaryngol. ; (10) 54 Merchant S N, Velázquez-Villaseñor L, Tsuji K, Glynn R J, Wall III C, Rauch S D. Temporal bone studies of the human peripheral vestibular system.

Normative vestibular hair cell data. Human temporal bone specimens, from normal and disease-state subjects, are particularly difficult to retrieve and prepare for postmortem study, as are smaller samples from living humans. Encased within the thick temporal bone, the auditory and vestibular systems are also difficult to view in living humans.Study Design: Comparative human temporal bone study.

Methods: We assessed the sensory epithelium of the human vestibular system with a focus on the number of type I and type II hair cells, as well as the total number of hair cells. We compared those numbers in our Mondini dysplasia group versus our control group.