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superior canal dehiscence

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https://www.readbyqxmd.com/read/29788439/repair-of-temporal-bone-defects-via-the-middle-cranial-fossa-approach-treatment-of-2-pathologies-with-1-operation
#1
Daniel B Eddelman, Stephan Munich, Ryan B Kochanski, Michael Eggerstedt, Robert P Kazan, Roham Moftakhar, Lorenzo Munoz, Rich W Byrne, R Mark Wiet
BACKGROUND: Temporal bone dehiscence (TBD) often results in leakage of cerebrospinal fluid (CSF) and/or encephalocele. TBD can also occur over the superior semicircular canal, causing debilitating vertigo. Both can be repaired surgically, but traditional treatment is focused only on one pathology, not both. OBJECTIVE: To report our experience in the treatment of TBD via the middle cranial fossa (MCF) approach. METHODS: A retrospective review was conducted for all patients who underwent MCF approach for surgical repair of any temporal fossa dehiscence...
May 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29741293/minimally-invasive-surgery-for-superior-semicircular-canal-dehiscence-results-of-a-four-fenestration-technique-in-twenty-one-adults
#2
Raquel Nogueira, Benjamin Verillaud, Charlotte Hautefort, Domitille Fiaux-Camous, Romain Kania, Philippe Herman
Superior canal semicircular dehiscence (SCCD) may cause vestibular and audiological symptoms that are sometimes debilitating. Computed tomography (CT) and the vestibular evoked myogenic potential (VEMP) test are essential for the diagnosis of SCCD. Various surgical techniques have been developed to manage SCCD but have many associated complications. Our technique uses an approach that otologists and surgeons are highly familiar with and that has other advantages, such as minimizing surgical trauma and preventing recurrences...
May 9, 2018: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29708189/vestibular-evoked-myogenic-potential-testing-payment-policy-review-for-clinicians-and-payers
#3
REVIEW
Terry D Fife, Saty Satya-Murti, Robert F Burkard, John P Carey
Purpose of review: A recent American Academy of Neurology Evidence-Based Practice Guideline on vestibular myogenic evoked potential (VEMP) testing has described superior canal dehiscence syndrome (SCDS) and evaluated the merits of VEMP in its diagnosis. SCDS is an uncommon but now well-recognized cause of dizziness and auditory symptoms. This article familiarizes health care providers with this syndrome and the utility and shortcomings of VEMP as a diagnostic test and also explores payment policies for VEMP...
April 2018: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/29697584/clinical-implications-of-the-association-between-temporal-bone-tegmen-defects-and-superior-semicircular-canal-dehiscence
#4
Ophir Handzel, Adi Brenner-Ullman, Oren Cavel, Yahav Oron, Oshri Wasserzug, Dan M Fliss, Omer J Ungar
OBJECTIVE: To discuss the clinical implications of the association between temporal bone tegmen dehiscence (TD) necessitating surgical correction and the adjacent dehiscent superior semicircular canal (SSCD). STUDY DESIGN: Retrospective. SETTING: Tertiary referral center. PATIENTS: Sixteen patients with idiopathic TD, with or without SSCD, requiring surgical correction. INTERVENTIONS: Corrective surgery for TD...
April 24, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29688804/are-patients-with-spontaneous-csf-otorrhea-and-superior-canal-dehiscence-congenitally-predisposed-to-their-disorders
#5
Shawn M Stevens, Kiefer Hock, Ravi N Samy, Myles L Pensak
Objectives (1) Compare lateral skull base (LSB) height/thickness in patients with spontaneous cerebrospinal fluid otorrhea (CSF), superior canal dehiscence (SCD), acoustic neuromas (AN), and otosclerosis (OTO). (2) Perform correlations between age, body mass index (BMI), sex, and LSB height/thickness. Study Design Case series with chart review. Setting Tertiary referral center. Subjects and Methods Patients with CSF, SCD, AN, and OTO diagnosed from 2006 to 2016 were included if they had high-definition temporal bone computed tomography (CT) and absence of trauma, radiation, chronic ear disease, and/or congenital anomaly...
April 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29685082/peripheral-vestibular-disorders-in-children-and-adolescents-with-concussion
#6
Jacob R Brodsky, Talia N Shoshany, Sophie Lipson, Guangwei Zhou
Objective To review peripheral vestibular disorders in pediatric patients with dizziness following concussion. Study Design Case series with chart review. Setting Pediatric vestibular clinic and pediatric multidisciplinary concussion clinic at a tertiary level pediatric hospital. Subjects and Methods We retrospectively reviewed 109 patients seen for dizziness following a concussion between September 2012 and July 2015. Patients were ≤20 years of age at the time of concussion. Incidences of specific peripheral vestibular disorders were assessed along with timing of diagnosis relative to the date of injury, diagnostic test findings, and treatment interventions associated with those diagnoses...
April 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29494468/response-to-michael-yong-erica-zaia-brian-westerberg-and-jane-lea-diagnosis-of-superior-semicircular-canal-dehiscence-in-the-presence-of-concomitant-otosclerosis-otol-neurotol-2017-38-1071-1075
#7
https://www.readbyqxmd.com/read/29452318/bone-metabolic-markers-in-the-clinical-assessment-of-patients-with-superior-semicircular-canal-dehiscence
#8
Thien Nguyen, Carlito Lagman, John P Sheppard, Courtney Duong, Vera Ong, Jessica Poon, Yasmine Alkhalid, Daniel Azzam, Prasanth Romiyo, Giyarpuram N Prashant, Quinton Gopen, Isaac Yang
BACKGROUND: Superior semicircular canal dehiscence (SSCD) is a bony defect in the osseous shell of the petrous temporal bone. The pathophysiological association between osteoporosis and SSCD remains poorly understood. We investigated the relationship between bone metabolic markers and symptoms in patients with SSCD. METHODS: We collected patient demographics and clinical parameters for adult patients diagnosed with SSCD on high-resolution computed tomography scans...
February 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29402729/radiologic-correlation-between-the-thickness-of-the-roof-of-the-glenoid-fossa-and-that-of-the-bony-covering-of-the-superior-semicircular-canal
#9
Rafael Crovetto-Martínez, Carlos Vargas, Iñigo Lecumberri, Amaia Bilbao, Miguel Crovetto-De la Torre, Jaime Whyte-Orozco
OBJECTIVES: Dehiscence of the superior semicircular canal (SSC) has been associated with alteration of the temporomandibular joint, although data explaining this association are lacking. The present study examined the correlations between the presence of dehiscences and thickness of the bone covering the SSC and the roof of the glenoid fossa (RGF). STUDY DESIGN: Computed tomography was used in a cross-sectional analysis of the presence of dehiscences and thickness of the bone overlying the SCC and RGF in 156 temporal bones of 78 patients...
April 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29362817/-superior-canal-dehiscence-syndrome-diagnosis-with-vestibular-evoked-myogenic-potentials-and-fremitus-nystagmus-german-version
#10
R Gürkov, C Jerin, W Flatz, R Maxwell
BACKGROUND: Superior canal dehiscence syndrome (SCDS) is a relatively rare neurotological disorder that is characterized by a heterogeneous clinical picture. Recently, vestibular evoked myogenic potential (VEMP) measurementwas established for the diagnosis of SCDS. In the present study, a case series of patients with SCDS were analyzed, with a focus on VEMP. METHODS: Four patients with SCDS were prospectively examined with ocular VEMP (oVEMP) and cervical VEMP (cVEMP)...
January 23, 2018: HNO
https://www.readbyqxmd.com/read/29313443/effectiveness-of-transmastoid-plugging-for-semicircular-canal-dehiscence-syndrome
#11
Renee M Banakis Hartl, Stephen P Cass
Objectives (1) Evaluate changes in subjective symptoms in patients following transmastoid canal plugging for superior semicircular canal dehiscence (SSCD) syndrome. (2) Quantify changes in hearing in patients who have undergone transmastoid canal plugging for SSCD syndrome. Study Design Case series with chart review. Setting Single tertiary care institution. Subjects and Methods We retrospectively reviewed patients with SSCD who underwent repair with canal plugging via a transmastoid approach between January 2012 and January 2017...
March 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29283100/the-efficacy-of-magnetic-resonance-imaging-for-the-diagnosis-of-superior-semicircular-canal-dehiscence
#12
Fatma Beyazal Çeliker, Abdulkadir Özgür, Metin Çeliker, Mehmet Beyazal, Arzu Turan, Suat Terzi, Mehmet Fatih İnecikli
OBJECTIVE: This study aimed to evaluate the efficacy of magnetic resonance imaging (MRI) for diagnosing superior semicircular canal dehiscence (SSCD). MATERIALS AND METHODS: The radiological records of patients who were admitted to our clinic with complaints of otologic and neuro-otologic symptoms between October 2014 and December 2015 were retrospectively reviewed. Among these patients, those who underwent both computed tomography and MRI and were reported to have SSCD in the temporal bone on at least one side were included in the study group...
December 14, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29280497/aggregating-the-symptoms-of-superior-semicircular-canal-dehiscence-syndrome
#13
Laura Naert, Raymond Van de Berg, Paul Van de Heyning, Alexandre Bisdorff, Jeffrey D Sharon, Bryan K Ward, Vincent Van Rompaey
OBJECTIVES/HYPOTHESIS: To aggregate symptoms reported by patients with superior canal dehiscence syndrome (SCDS) and to develop an evidence-based symptom set by performing a systematic review of the literature. STUDY DESIGN: Database search and critical assessment of research studies. METHODS: Medline and PubMed databases were searched for articles that reported the preoperative symptoms of adult and pediatric patients with unilateral and bilateral SCDS...
December 27, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29272988/the-influence-of-the-subarcuate-artery-in-the-superior-semicircular-canal-dehiscence-and-its-frequency-on-stillbirths-illustrative-cases-and-systematic-review
#14
Gabriela Pereira Bom Braga, Jack H Noble, Eloisa Maria Mello Santiago Gebrim, Robert F Labadie, Ricardo Ferreira Bento
Literature describes that on the 25th gestational week the labyrinth is fully formed and with adult size. However, recent studies have shown that the cranial and labyrinth development continues until 3 years of age. OBJECTIVES: To demonstrate through tomographic study the frequency of semicircular canal dehiscence on nine specimens of stillbirths between 32 and 40 weeks and, through literature review, present another possible etiology for its cause. METHODS: Tomographic study of the temporal bone of 9 specimens of stillbirths between 32 and 40 weeks...
December 22, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29242950/superior-canal-dehiscence-syndrome-diagnosis-with-vestibular-evoked-myogenic-potentials-and-fremitus-nystagmus
#15
R Gürkov, C Jerin, W Flatz, R Maxwell
BACKGROUND: Superior canal dehiscence syndrome (SCDS) is a relatively rare neurotological disorder that is characterized by a heterogeneous clinical picture. Recently, vestibular evoked myogenic potential (VEMP) measurement was established for the diagnosis of SCDS. In the present study, a case series of patients with SCDS were analyzed, with a focus on VEMP. METHODS: Four patients with SCDS were prospectively examined with ocular VEMP (oVEMP) and cervical VEMP (cVEMP)...
January 2018: HNO
https://www.readbyqxmd.com/read/29234688/superior-semicircular-canal-dehiscence-a-new-perspective
#16
Dinesh Sood, Lokesh Rana, Raman Chauhan, Roshni Shukla, Khanak Nandolia
Objective: To determine the use of multi-detector computed tomography (MDCT) in the diagnostic interpretation of superior semicircular canal dehiscence (SSCD) or thinning and its association with ear pathologies and to find whether it is an acquired condition and its association with increase in age. Materials and methods: study was performed in a tertiary care institute present in a village, following approval of the institutional ethical committee. Retrospective review of temporal bone CT examinations performed between September 2016 and March 2017 was done...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/29224712/superior-semicircular-canal-dehiscence-diagnosis-and-management
#17
REVIEW
Christine Mau, Naveed Kamal, Saiaditya Badeti, Renuka Reddy, Yu-Lan Mary Ying, Robert W Jyung, James K Liu
The authors provide an update on the clinical manifestations, diagnosis and various approaches to the treatment of superior semicircular canal dehiscence (SSCD). SSCD is a rare condition where the bone overlying the superior semicircular canal thins or dehisces causing characteristic clinical findings. Since this was first reported in 1998 by Minor and colleagues, there has been much advancement made in terms of diagnosis and treatment. Signs and symptoms include a wide variation of both vestibular and auditory manifestations...
February 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29224005/evidence-of-osteoclastic-activity-in-the-human-temporal-bone
#18
Takefumi Kamakura, Joseph B Nadol
Bone remodeling within the otic capsule has been reported to be inhibited especially at or near the cochlea, except under some pathological conditions such as otosclerosis, Paget's disease, or mastoiditis, when bone remodeling can occur. Microcavitations found in periosteal and endosteal layers of human temporal bone specimens without otosclerosis, Paget's disease, or inflammation as reported in the current study are consistent with osteoclastic bone resorption. Thirty-three temporal bones from 33 patients were prepared for light microscopy and classified into 4 groups: histologically proven dehiscence of the superior semicircular canal (SSCD) (n = 3, group 1), age 20 years or younger (n = 10, group 2), age 90 years or older and with otosclerosis (n = 10, group 3), and age 90 years or older without otosclerosis (n = 10, group 4)...
2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/29210947/toward-optimizing-cervical-vestibular-evoked-myogenic-potentials-cvemp-combining-air-bone-gap-and-cvemp-thresholds-to-improve-diagnosis-of-superior-canal-dehiscence
#19
Kimberley S Noij, Maria J Duarte, Kevin Wong, Y Song Cheng, Salwa Masud, Barbara S Herrmann, Hugh D Curtin, Vivek V Kanumuri, John J Guinan, Elliott D Kozin, Osama Tarabichi, David H Jung, Daniel J Lee, Steven D Rauch
OBJECTIVE: To develop a novel approach combining low-frequency air-bone gap (ABG) and cervical vestibular evoked myogenic potential (cVEMP) thresholds to improve screening for superior canal dehiscence (SCD) syndrome. STUDY DESIGN: Retrospective study. SETTING: Tertiary care center. PATIENTS: One hundred forty patients with SCD and 21 healthy age-matched controls were included. Ears for each patient were divided into three groups based on computed tomography (CT) findings: 1) dehiscent, 2) thin, or 3) unaffected...
February 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29202612/cone-beam-computed-tomography-imaging-of-superior-semicircular-canal-morphology-a-retrospective-comparison-of-cleft-lip-palate-patients-and-normal-controls
#20
Oğuzhan Altun, Suayip Burak Duman, Ibrahim Sevki Bayrakdar, Yasin Yasa, Sacide Duman, Sevcihan Günen Yılmaz
OBJECTIVE: This study evaluated the prevalence and morphological characteristics of the superior semicircular canal (SSCC) in cleft lip and palate (CL/P) patients using cone beam computed tomography (CBCT). MATERIALS AND METHODS: CBCT images of 53 CL/P patients (28 males and 25 females) and a control group of 76 patients (42 males and 34 females) were evaluated. Retrospectively, 258 temporal bone images from 129 patients were evaluated in terms of SSCC morphology and divided into a normal pattern (0...
December 4, 2017: Acta Odontologica Scandinavica
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