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perilymphatic fistula

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https://www.readbyqxmd.com/read/28645678/endolymphatic-hydrops-imaging-differential-diagnosis-in-patients-with-meniere-disease-symptoms
#1
A Attyé, M Eliezer, A Galloux, J Pietras, I Tropres, S Schmerber, G Dumas, A Krainik
PURPOSE: The goal of this retrospective study was to investigate the differential diagnosis of endolymphatic hydrops in patients with Meniere's disease (MD) symptoms by using magnetic resonance imaging (MRI) with intravenous injection of gadolinium chelate and delayed acquisition. MATERIAL AND METHOD: Two hundred patients (133 women, 67 men; mean age=67.2±11 ([SD] years) with unilateral MD underwent MRI at 3-T, between 4.5 and 5.5hours after intravenous administration of gadoterate meglumine at a dose of 0...
June 20, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28541245/hearing-loss-in-patients-with-extracranial-complications-of-chronic-otitis-media
#2
Tomasz Przewoźny, Jerzy Kuczkowski
OBJECTIVE: A pure tone audiomety analysis of patients with extracranial complications of chronic suppurative otitis media (ECCSOM). MATERIAL AND METHODS: We retrospectively analyzed audiometric data performed before treatment from 63 patients with ECCSOM (56 single, 7 multiple complications) including groups of frequencies. RESULTS: The greatest levels of hearing loss were noted for 6 and 8 kHz (79.0 and 75.7 dBHL) and for the frequency groups high tone average (76...
June 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28499300/-recent-surgical-options-for-vestibular-vertigo
#3
Stefan Volkenstein, Stefan Dazert
Vertigo is not a well defined symptom but a heterogenous entity diagnosed and treated mainly by otolaryngologists, neurologists, internal medicine and primary care physicians. Most vertigo syndroms have a good prognosis and management is predominantly conservative, whereas the need for surgical therapy is rare, but for a subset of patients often the only remaining option. In this paper, we describe the development of surgical therapy for hydropic inner ear diseases, Menière disease, dehiscence syndroms, perilymphatic fistulas, and benign paroxysmal vertigo...
April 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28467585/variations-in-otological-presentation-of-lightning-strike-victims-clinical-report-of-3-patients
#4
Erbil Kılıç, Hakan Genç, Ümit Aydın, Burak Aşık, Bülent Satar
Lightning strike can cause fatal or nonfatal injuries. Some nonfatal injuries are associated with otological symptoms and findings. Conductive hearing loss due to rupture of the tympanic membrane is the most common audiovestibular lesion of lightning strike. Various forms of sensorineural hearing loss and dizziness have also been reported. Presently described are 3 cases of lightning strike injury. First patient had mid-frequency hearing loss in right ear and high frequency sensorineural hearing loss in left ear...
March 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28368720/a-nationwide-multicenter-study-of-the-cochlin-tomo-protein-detection-test-clinical-characteristics-of-perilymphatic-fistula-cases
#5
Han Matsuda, Kei Sakamoto, Tomohiro Matsumura, Shiho Saito, Susumu Shindo, Kunihiro Fukushima, Shin-Ya Nishio, Ryosuke Kitoh, Osamu Shibasaki, Akinori Ito, Ryuichiro Araki, Shin-Ichi Usami, Mamoru Suzuki, Kaoru Ogawa, Tomonori Hasegawa, Yoshiaki Hagiwara, Yasuhiro Kase, Tetsuo Ikezono
OBJECTIVE: To investigate the positive rate for the Cochlin tomo-protein (CTP: an inner ear-specific protein) detection test among patients with inner ear-related clinical manifestations and evaluate the clinical characteristics of definite perilymphatic fistula (PLF). METHODS: We have performed an ELISA-based CTP detection test using middle ear lavage (MEL) samples from 497 cases of suspected PLF enrolled from 70 clinical centers nationwide between 2014 and 2015...
2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28314420/sport-injuries-of-the-ear-and-temporal-bone
#6
REVIEW
L Mariel Osetinsky, Grant S Hamilton, Matthew L Carlson
In cases of head trauma, the ear should be evaluated in all of its components. A good understanding of otologic and skull base anatomy enables a thorough trauma assessment of this complex anatomic region. Auricular laceration, abrasion, avulsion, hematoma, frostbite, otitis externa, exostosis, tympanic membrane perforation, ossicular discontinuity, perilymphatic fistula, labyrinthine concussion, temporal bone fracture, facial nerve paresis, and sensorineural hearing loss are a few of the more common otologic injuries seen in active patients...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28068300/early-postoperative-imaging-of-the-labyrinth-by-cone-beam-ct-after-stapes-surgery-for-otosclerosis-with-correlation-to-audiovestibular-outcome
#7
Aurélie Vandevoorde, Marc T Williams, Elsa Ukkola-Pons, Mary Daval, Denis Ayache
BACKGROUND: Sensorineural complications of stapes surgery are rare but potentially serious. Imaging is usually performed to identify an underlying cause, such as excessive intravestibular penetration of the prosthesis or pneumolabyrinth suggesting perilymphatic fistula. Unfortunately, there is very little data in an unselected series of uneventful patients.The aim of this study was to analyze the depth of prosthesis penetration within the vestibule and the rate of pneumolabyrinth the day or the day after the procedure by performing a cone beam computed tomography of the temporal bone in a cohort of unselected patients, and to correlate imaging findings to clinical outcome...
February 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/27894374/autologous-intratympanic-blood-patch-for-presumed-perilymphatic-fistulas
#8
P K Foster
OBJECTIVE: To assess an alternative to bed rest and surgery for suspected perilymphatic fistulas using intratympanic blood injections. METHOD: A review was conducted of patients' history, physical and audiometric data, before and after treatment by intratympanic blood injections performed from 2009 to 2015. RESULTS: Twelve ears were identified, with trauma associated with air travel, water sports or nose blowing. Ten of these cases had hearing loss, six had vestibular symptoms...
December 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27575923/presence-of-osteoclasts-in-middle-ear-cholesteatoma-a-study-of-undecalcified-bone-sections
#9
Hiroki Koizumi, Hideaki Suzuki, Rintaro Kawaguchi, Koichi Hashida, Nobusuke Hohchi, Jun-Ichi Ohkubo, Takahisa Tabata, Takuro Kitamura
CONCLUSIONS: Osteoclasts are unlikely to be involved in bone resorption in middle ear cholesteatoma. OBJECTIVE: The authors searched for osteoclasts in undecalcified bone sections in patients with middle ear cholesteatoma to determine whether and to what extent these cells are involved in this disease. METHODS: Twelve patients, eight men and four women, aged 30-87 years, who underwent tympanomastoidectomy were enrolled. Six patients had primary acquired middle ear cholesteatoma (cholesteatoma group) and the other six patients had other otologic diseases including otosclerosis, non-cholesteatomatous chronic otitis media, adhesive otitis media, perilymphatic fistula and ossicular malformation (control group)...
February 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27497416/pediatric-sudden-sensorineural-hearing-loss-etiology-diagnosis-and-treatment-in-20-children
#10
Kavita Dedhia, David H Chi
OBJECTIVES: 1. To report our experience in children with sudden-onset sensorineural hearing loss (SSNHL). 2. To describe the etiology and management of children with SSNHL. METHODS: Retrospective review of 20 children with SSNHL, from 2000 to 2013 at a tertiary pediatric facility. Patients had the following inclusion criteria: history of normal hearing, hearing loss occurring in less than 3 days, and audiogram documentation. RESULTS: The average age of patients presenting with SSNHL is 11 years 3 months (22months-18years)...
September 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27334993/perilymphatic-fistula-after-underwater-diving-a-series-of-11-cases
#11
Jean-Baptiste Morvan, Emmanuel Gempp, Damien Rivière, Pierre Louge, Nicolas Vallee, Pierre Verdalle
INTRODUCTION: Onset of cochleovestibular symptoms (hearing loss, dizziness or instability, tinnitus) after a dive (scuba or breath-hold diving) warrants emergency transfer to an otology department. One priority is to investigate the possibility of the development of decompression sickness with a view to hyperbaric oxygen treatment of bubble-induced inner-ear damage. If this injury is ruled out, inner-ear barotrauma should be considered together with its underlying specific injury pattern, perilymphatic fistula...
June 2016: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/27241920/hydrops-of-the-organ-of-corti
#12
Yasuya Nomura, Yurika Kimura, Hitome Kobayashi
OBJECTIVES: The authors would like to confirm a fluid pathway from the scala tympani to the organ of Corti, and to observe its morphological changes. METHODS: A staining solution for succinic dehydrogenase was perfused with phenazine methosulfate in the scala tympani of living guinea pigs (n = 5) under deep anesthesia. After fixation, the cochleas were eventually embedded in epon. Sections were observed under a light microscope. RESULTS: Blue-stained tissue is indicative of the pathway taken by the solution...
November 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27115607/pneumolabyrinth-with-labyrinthitis-as-the-suspected-cause
#13
Kazuaki Nomura, Kenichi Takano, Keisuke Yamamoto, Ayumi Abe, Nozomi Takahashi, Tsuyoshi Okuni, Tetsuo Himi
Pneumolabyrinth is a rare condition with air bubbles existing in the vestibule and/or cochlea. We report a case of pneumolabyrinth without trauma that was suspected to be caused by labyrinthitis. A 65-year-old man presented with vertigo and hearing loss in the left ear after catching a cold. Computed tomography performed after there had been no improvement in the patient's symptoms showed the presence of air bubbles in the vestibule, semicircular canals and cochlea. The patient was transferred to our hospital with suspected perilymphatic fistula...
2016: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27085885/post-traumatic-deafness-a-pictorial-review-of-ct-and-mri-findings
#14
REVIEW
Olivier Maillot, Arnaud Attyé, Eric Boyer, Olivier Heck, Adrian Kastler, Sylvie Grand, Sébastien Schmerber, Alexandre Krainik
UNLABELLED: Hearing loss is a common functional disorder after trauma, and radiologists should be aware of the ossicular, labyrinthine or brain lesions that may be responsible. After a trauma, use of a systematic approach to explore the main functional components of auditory pathways is essential. Conductive hearing loss is caused by the disruption of the conductive chain, which may be due to ossicular luxation or fracture. This pictorial review firstly describes the normal 2-D and 3-D anatomy of the ossicular chain, including the incudo-malleolar and incudo-stapedial joints...
June 2016: Insights Into Imaging
https://www.readbyqxmd.com/read/27050655/effect-of-round-window-reinforcement-on-hearing-a-temporal-bone-study-with-clinical-implications-for-surgical-reinforcement-of-the-round-window
#15
Inge Wegner, Mostafa M A S Eldaebes, Thomas G Landry, Robert B Adamson, Wilko Grolman, Manohar L Bance
HYPOTHESIS: Round window reinforcement leads to conductive hearing loss. BACKGROUND: The round window is stiffened surgically as therapy for various conditions, including perilymphatic fistula and superior semicircular canal dehiscence. Round window reinforcement reduces symptoms in these patients. However, it also reduces fluid displacement in the cochlea and might therefore increase conductive hearing loss. METHODS: Perichondrium was applied to the round window membrane in nine fresh-frozen, nonpathologic temporal bones...
June 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/26654639/surgery-for-vertigo-10-year-audit-from-a-contemporary-vertigo-clinic
#16
U Patnaik, A Srivastava, K Sikka, A Thakar
OBJECTIVE: To present the profile of patients undergoing surgical treatment for vertigo at a contemporary institutional vertigo clinic. STUDY DESIGN: A retrospective analysis of clinical charts. METHODS: The charts of 1060 patients, referred to an institutional vertigo clinic from January 2003 to December 2012, were studied. The clinical profile and long-term outcomes of patients who underwent surgery were analysed. RESULTS: Of 1060 patients, 12 (1...
December 2015: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/26468844/a-life-threatening-pitfall-in-ear-surgery-extracranial-sigmoid-sinus
#17
Osman Halit Çam, Mehmet Karataş
AIM: The aim of this article is to imply the significance of temporal bone computed tomography imaging before temporal surgeries. CASE: A 74-years-old patient was admitted to emergency department with dizziness and nausea. The neurologic examination showed a spontaneous nystagmus, whereas otologic examination revealed a left tympanic membrane perforation with mild discharge. A temporal bone computed tomography imaging was scheduled to exclude cholesteatoma and perilymphatic fistula...
October 2015: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/26467589/ct-differentiation-of-tuberculous-and-non-tuberculous-pleural-infection-with-emphasis-on-pulmonary-changes
#18
COMPARATIVE STUDY
J M Ko, H J Park, D G Cho, C H Kim
OBJECTIVE: To determine whether pulmonary changes on computed tomography (CT) are helpful in differentiating between pleural tuberculosis (TB) and non-tuberculous pleural infection MATERIALS AND METHODS: We retrospectively reviewed CT scans of patients with pleural tuberculous and non-tuberculous empyema, focusing on pulmonary changes such as consolidation, ground glass opacity, interlobular septal thickening, cavitation, abscess and presence and distribution of micronodules...
November 2015: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/26349335/-aggravation-after-diagnosis-of-sudden-sensorineural-hearing-loss
#19
Ichiro Fukumoto, Toshimitsu Nemoto, Tomoko Tsukuda, Keiichi Koshizuka
Among 95 patients with sudden sensorineural hearing loss who received inpatient treatment at our hospital within the 27-month period between October 2009 and December 2011, those in whom hearing loss was aggravated after diagnosis were compared with a control group. Hearing loss aggravation was defined as a decrease by 10 dB or more in the mean hearing threshold at 5 frequencies from 250 to 4,000 Hz or decrease of 15 dB or more in the hearing threshold at 2 consecutive frequencies. Hearing loss was aggravated after diagnosis in 22 (23...
March 2015: Nihon Jibiinkoka Gakkai Kaiho
https://www.readbyqxmd.com/read/26059539/histopathology-of-idiopathic-lateral-skull-base-defects
#20
Aaron K Remenschneider, Elliott D Kozin, Hugh Curtin, Felipe Santos
OBJECTIVES/HYPOTHESIS: The objective of this study was to utilize techniques of otopathology to gain insight into the pathogenesis, sites of origin, and associated findings in idiopathic lateral skull base defects. STUDY DESIGN: Histopathologic analysis of temporal bones from an otopathology repository. METHODS: Specimens from a human temporal bone repository were investigated for clinical or otopathologic evidence of occult bony dehiscence indicating communication between the subarachnoid space and air cells of the temporal bone...
August 2015: Laryngoscope
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