Results 41 to 50 of about 8,789 (231)

Floating labyrinth: A unique finding on CT scan

open access: yesRadiology Case Reports, 2020
We report a case of a 67-year-old female patient that presented to the emergency department with complete right facial paralysis, progressive hearing loss and chronic otorrhea.
Filipe Correia, M.D.   +2 more
doaj   +1 more source

Labyrinthine Fistula in Cholesteatoma Patients: Outcomes of Partial Labyrinthectomy With “Underwater Technique” to Preserve Hearing

open access: yesFrontiers in Neurology, 2022
Labyrinthine fistula (LF) is one of the most important complications of cholesteatoma and is defined as an abnormal communication between the inner and the middle ear. This study aims to describe our experience with the partial labyrinthectomy evaluating
Annalisa Pace   +11 more
doaj   +1 more source

The endocranial morphology and inner ear of the abelisaurid theropod Aucasaurus garridoi [PDF]

open access: yes, 2015
A partial cranial endocast and right inner ear of the Cretaceous abelisaurid dinosaur Aucasaurus garridoi were digitally reconstructed from CT scans.
Paulina Carabajal, Ariana   +1 more
core   +1 more source

First evidence of Proganochelys quenstedtii (Testudinata) from the Plateosaurus bonebeds (Norian, Late Triassic) of Frick, Canton Aargau, Switzerland

open access: yesSwiss Journal of Palaeontology, 2022
Proganochelys quenstedtii represents the best-known stem turtle from the Late Triassic, with gross anatomical and internal descriptions of the shell, postcranial bones and skull based on several well-preserved specimens from Central European fossil ...
Torsten M. Scheyer   +4 more
doaj   +1 more source

Computed Tomography elucidates ontogeny within the basal therapsid clade Biarmosuchia [PDF]

open access: yesPeerJ, 2021
Biarmosuchia is a clade of basal therapsids that includes forms possessing plesiomorphic ‘pelycosaurian’ cranial characters as well as the highly derived Burnetiamorpha which are characterised by cranial pachyostosis and a variety of cranial bosses ...
Aliénor Duhamel   +4 more
doaj   +2 more sources

Inner ear ossification and mineralization kinetics in human embryonic development - microtomographic and histomorphological study. [PDF]

open access: yes, 2017
Little is known about middle and inner ear development during the second and third parts of human fetal life. Using ultra-high resolution Microcomputed Tomography coupled with bone histology, we performed the first quantitative middle and inner ear ...
Courbon, G.   +5 more
core   +1 more source

Frontal sinus approach in complicated Chronic Rhinosinusitis with Nasal Polyps: our experience [PDF]

open access: yesCaspian Journal of Internal Medicine, 2023
Background: Hyperostosis is a common consequence of chronic rhinosinusitis with nasal polyps (CRSwNP) and other chronic rhinosinusitis, affecting mainly structures of the ethmoid labyrinth, frontal and maxillary sinuses.
Maksim Aflitonov   +4 more
doaj  

Hyperostotic tympanic bone spicules in domestic and wild animal species [PDF]

open access: yes, 2016
Hyperostotic tympanic bone spicules (HTBS), or "mucoperiosteal exostoses" (ME, syn.) are small, globular (>= 1 mm in diameter), mostly stalked and drumstick-like, bony structures, which arise from the inner wall of the tympanic bulla and project into the
Blutke, A   +5 more
core   +2 more sources

Towards an Implantable Vestibular Prosthesis: The Surgical Challenges [PDF]

open access: yes, 2007
Published ...
Constandinou, T G   +3 more
core   +1 more source

A 3D benign paroxysmal positional vertigo model for study of otolith disease [PDF]

open access: yes, 1996
ObjectiveTo develop a three-dimensional study tool of the membranous labyrinth in order to study the pathophysiology, diagnostic workup and treatment of benign paroxysmal positional vertigo (BPPV). BPPV is the most common cause of peripheral vertigo. Its
Teixido, Michael   +3 more
core   +2 more sources

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