Recent Developments in FullField Thickness Measurements of the Human Eardrum

Jeught, Sam Van der; Dirckx, Joris

doi:10.4172/2324-8785.1000312

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…Thus, OCT can be beneficially utilized for visualizing the middle ear morphology and it allows the spatially resolved measurement of the tympanic membrane thickness. 2,3 Other studies have demonstrated that OCT can be used for imaging cholesteatoma 4 and tympanosclerosis. 5 In middle ear surgery, OCT has been utilized for the assessment of ossicles and middle ear prostheses.…”

Section: Introductionmentioning

confidence: 99%

Endoscopic optical coherence tomography with wide field-of-view for the morphological and functional assessment of the human tympanic membrane

et al. 2018

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An endoscopic optical coherence tomography (OCT) system with a wide field-of-view of 8 mm is presented, which combines the image capability of endoscopic imaging at the middle ear with the advantages of functional OCT imaging, allowing a morphological and functional assessment of the human tympanic membrane. The endoscopic tube has a diameter of 3.5 mm and contains gradient-index optics for simultaneous forward-viewing OCT and video endoscopy. The endoscope allows the three-dimensional visualization of nearly the entire tympanic membrane. In addition, the oscillation of the tympanic membrane is measured spatially resolved and in the frequency range between 500 Hz and 5 kHz with 125 Hz resolution, which is realized by phase-resolved Doppler OCT imaging during acoustical excitation with chirp signals. The applicability of the OCT system is demonstrated in vivo. Due to the fast image acquisition, structural and functional measurements are only slightly affected by motion artifacts.

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Section: Introductionmentioning

confidence: 99%

Endoscopic optical coherence tomography with wide field-of-view for the morphological and functional assessment of the human tympanic membrane

et al. 2018

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Shortwave infrared otoscopy for diagnosis of middle ear effusions: a machine-learning-based approach

Kashani

Młyńczak

Zarabanda

et al. 2021

Sci Rep

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Otitis media, a common disease marked by the presence of fluid within the middle ear space, imparts a significant global health and economic burden. Identifying an effusion through the tympanic membrane is critical to diagnostic success but remains challenging due to the inherent limitations of visible light otoscopy and user interpretation. Here we describe a powerful diagnostic approach to otitis media utilizing advancements in otoscopy and machine learning. We developed an otoscope that visualizes middle ear structures and fluid in the shortwave infrared region, holding several advantages over traditional approaches. Images were captured in vivo and then processed by a novel machine learning based algorithm. The model predicts the presence of effusions with greater accuracy than current techniques, offering specificity and sensitivity over 90%. This platform has the potential to reduce costs and resources associated with otitis media, especially as improvements are made in shortwave imaging and machine learning.

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Recent Developments in FullField Thickness Measurements of the Human Eardrum

Cited by 2 publications

References 12 publications

Endoscopic optical coherence tomography with wide field-of-view for the morphological and functional assessment of the human tympanic membrane

Endoscopic optical coherence tomography with wide field-of-view for the morphological and functional assessment of the human tympanic membrane

Shortwave infrared otoscopy for diagnosis of middle ear effusions: a machine-learning-based approach

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