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https://www.readbyqxmd.com/read/27931523/a-blue-middle-ear-mass-cholesterol-granuloma-mimicking-a-glomus-tumor-and-endolymphatic-sac-tumor
#1
Clara Olcott, Barry Strasnick
Cholesterol granuloma (CG) is the most common benign lesion of the petrous apex, however, it can grow significantly large and become destructive causing a diagnostic dilemma. This case presents a 25-year-old female with 2-year history of left-sided progressive and profound hearing loss, a transient left-sided facial paralysis and cranial nerve 10 palsy who presented with a blue middle ear mass. Her diagnosis did not become apparent until direct visualization intraoperatively. The objective of this case study is to highlight the destructive capabilities of CG and the importance to keep it in the differential diagnosis of a large, erosive, expansile skull base lesion in order to avoid overly aggressive resection or other unnecessary treatment...
January 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27930419/repetitive-facial-nerve-stimulation-using-occipitalis-muscle
#2
Turgut Adatepe, Ayşegül Gündüz, Ahmet Yldrm, Nurten Uzun
INTRODUCTION: We aimed to evaluate the reliability and reproducibility of repetitive nerve stimulation (RNS) recorded on occipitalis muscle by comparing recordings on nasalis muscle in healthy subjects. SUBJECTS: and methods: A total of 23 healthy subjects (mean age: 44.7±13.8 years) underwent detailed neurological examination and RNS using nasalis and occipitalis muscles. Amplitude and area percentage changes of CMAPs after RNS with different frequency were compared between right and left-sides and between recordings on nasalis and occipitalis muscles...
December 3, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/27929602/facial-reanimation-according-to-the-postresection-defect-during-lateral-skull-base-surgery
#3
John P Leonetti, Sahar Nadimi, Sam J Marzo, Douglas Anderson, Darl Vandevender
The vast majority of benign tumors of the cerebellopontine angle, temporal bone, and parotid gland can be successfully resected without permanent injury to the facial nerve. Malignant tumors or recurrent disease may require facial nerve sacrifice, especially if preoperative facial paresis is present. This article will present case examples of the various methods to reconstruct facial animation after lateral skull base resections that require sacrifice of cranial nerve VII, and the associated mimetic facial musculature...
December 2016: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/27929599/surgical-management-of-parapharyngeal-space-tumors-the-role-of-cervical-and-lateral-skull-base-approaches
#4
Arturo Mario Poletti, Siba P Dubey, Giovanni Colombo, Giovanni Cugini
We conducted a retrospective study to analyze the role of the cervical and lateral skull base approaches in the surgical excision of parapharyngeal space (PPS) tumors. Our study population was made up of 34 patients-15 males and 19 females, aged 13 to 73 years (mean: 50.6)-who had presented to us with a PPS tumor during a 9-year period. The 34 cases included 23 benign tumors and 11 malignancies. The 23 benign tumors consisted of 11 pleomorphic adenomas, 5 schwannomas, 2 paragangliomas, 2 Warthin tumors, 1 oncocytoma, 1 hamartoma, and 1 osteochondroma...
December 2016: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/27928625/stereotactic-radiotherapy-of-vestibular-schwannoma-hearing-preservation-vestibular-function-and-local-control-following-primary-and-salvage-radiotherapy
#5
Florian Putz, Jan Müller, Caterina Wimmer, Nicole Goerig, Stefan Knippen, Heinrich Iro, Philipp Grundtner, Ilker Eyüpoglu, Karl Rössler, Sabine Semrau, Rainer Fietkau, Sebastian Lettmaier
OBJECTIVE: The aim of this publication is to present long-term data on functional outcomes and tumor control in a cohort of 107 patients treated with stereotactic radiotherapy (RT) for vestibular schwannoma. PATIENTS AND METHODS: Included were 107 patients with vestibular schwannoma (primary or recurrent following resection) treated with stereotactic RT (either fractioned or single-dose radiosurgery) between October 2002 and December 2013. Local control and functional outcomes were determined...
December 7, 2016: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/27922972/idiopathic-synkinesis-of-the-facial-musculature-oculo-nasal-oculo-zygomatic-and-fronto-nasal-synkinesis
#6
Sujin Bahk, SeungHwan Hwang, SuRak Eo
Facial synkinesis is the simultaneous contraction of the certain facial musculature accompanying a motion of designated muscle in the face. With the exception of rare afflictions that are congenital in origin, most patients develop as a sequel to facial nerve paralysis due to trauma, tumor, and surgical injury. As an idiopathic congenital form, oculo-nasal synkinesis which reveals co-contraction of orbicularis oculi and the compressor narium minor muscles which are innervated by separate branches of the facial nerve have been already reported...
December 5, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27922488/intraoperative-assessment-of-facial-nerve-trunk-width-in-early-childhood-with-cervicofacial-lymphatic-malformation
#7
Ara Kim, Jeong-Meen Seo, So Young Lim
BACKGROUND: Facial nerve damage during head and neck surgery has long been an important issue. However, few publications on the gross anatomy of the facial nerve are available in the young population. The aim of this study was to provide in vivo measurements of the facial nerve trunk during lymphatic malformation (LM) resection and to determine the association between the trunk width and patient- and disease-related variables. METHODS: We conducted a retrospective analysis of 11 consecutive pediatric patients (11 facial nerve trunks) who underwent cervicofacial LM resection...
December 2, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27919794/diagnostic-utility-of-contrast-enhanced-3d-t1-weighted-imaging-in-acute-cerebral-infarction-associated-with-graves-disease
#8
Yasufumi Gon, Manabu Sakaguchi, Naoki Oyama, Hideki Mochizuki
Graves disease is rarely complicated with cerebrovascular steno-occlusive diseases. Previous studies have suggested several hypotheses for this occurrence, including excess thyroid hormone, which stimulates the sympathetic nervous system, which in turn causes an abnormal hemodynamic response with consequent atherosclerotic changes, and antithyroid antibodies cause local vascular inflammation in patients with Graves disease. However, radiological findings of vasculitis in patients with Graves disease and cerebral infarction remain less known...
December 2, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27918362/-long-term-outcomes-after-middle-fossa-approach-for-traumatic-facial-nerve-paralysis-otology-neurotology-2016-37-799-804
#9
Glenn W Knox
No abstract text is available yet for this article.
December 1, 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27916722/unique-diagnostic-features-and-surgical-strategy-for-intracranial-carotid-sympathetic-plexus-schwannoma-case-report-and-literature-review
#10
Hajime Takase, Kohta Araki, Shunsuke Seki, Kana Takase, Hidetoshi Murata, Nobutaka Kawahara
BACKGROUND: Intracranial carotid sympathetic plexus schwannoma (CSPS) is extremely rare; thus differential diagnostic criteria, optimal surgical strategies, and even a precise definition are lacking. Here we describe a case of CSPS and propose a definition and classification for previously reported cases. CASE DESCRIPTION: A 54-year-old male presented with hypacusis and abducens nerve palsy. Radiological examinations revealed a well-enhanced mass at the right medial temporal base with erosion of the petrous apex and intact perilesional cortical bone...
December 1, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27916008/facial-nerve-anomalies-in-paediatric-cochlear-implant-candidates-radiological-evaluation
#11
F B Palabiyik, K Hacikurt, Z Yazici
BACKGROUND: Pre-operative radiological identification of facial nerve anomalies can help prevent intra-operative facial nerve injury during cochlear implantation. This study aimed to evaluate the incidence and configuration of facial nerve anomalies and their concurrence with inner-ear anomalies in cochlear implant candidates. METHODS: Inner-ear and concomitant facial nerve anomalies were evaluated by magnetic resonance imaging and temporal high-resolution computed tomography in 48 children with congenital sensorineural hearing loss who were cochlear implant candidates...
December 5, 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27915063/preoperative-prediction-of-the-location-and-shape-of-the-facial-nerve-in-patients-with-large-vestibular-schwannomas-using-diffusion-tensor-imaging-based-fiber-tracking
#12
Yanyang Zhang, Zhiqi Mao, Penghu Wei, Yazhou Jin, Lin Ma, Jun Zhang, Xinguang Yu
OBJECTIVE: Preserving the facial nerve (FN) during surgery for large vestibular schwannomas (VSs) is challenging because of the unpredictable locations and morphological changes in the FN. Diffusion tensor imaging-based fiber tracking (DTI-FT) has been proposed to preoperatively visualize the FN. This study was performed to evaluate the efficacy of DTI-FT for predicting FN location and shape in patients with large VSs. METHODS: In this prospective study, imaging data from 30 consecutive patients with large VSs were obtained using 3-T magnetic resonance imaging...
November 30, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27913253/vibrissal-paralysis-produces-increased-corticosterone-levels-and-impairment-of-spatial-memory-retrieval
#13
William E Patarroyo, Milady García-Perez, Marisol Lamprea, Alejandro Múnera, Julieta Troncoso
This research was aimed at establishing how the absence of active whisking in rats affects acquisition and recovery of spatial memory. The mystacial vibrissae were irreversibly paralyzed by cutting the facial nerve's mandibular and buccal branches bilaterally in the facial nerve lesion group (N=14); control animals were submitted to sham-surgery (N=15). Sham-operated (N=11) and facial nerve-lesioned (N=10) animals were trained (one session, eight acquisition trials) and tested 24h later in a circular Barnes maze...
November 29, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27911332/type-0-spinal-muscular-atrophy-further%C3%A2-delineation-of-prenatal-and%C3%A2-postnatal-features-in-16-patients
#14
Sarah Grotto, Jean-Marie Cuisset, Stéphane Marret, Séverine Drunat, Patricia Faure, Séverine Audebert-Bellanger, Isabelle Desguerre, Vincent Flurin, Anne-Gaëlle Grebille, Anne-Marie Guerrot, Hubert Journel, Gilles Morin, Ghislaine Plessis, Sylvain Renolleau, Joëlle Roume, Brigitte Simon-Bouy, Renaud Touraine, Marjolaine Willems, Thierry Frébourg, Eric Verspyck, Pascale Saugier-Veber
BACKGROUND: Spinal muscular atrophy (SMA) is caused by homozygous inactivation of the SMN1 gene. The SMN2 copy number modulates the severity of SMA. The 0SMN1/1SMN2 genotype, the most severe genotype compatible with life, is expected to be associated with the most severe form of the disease, called type 0 SMA, defined by prenatal onset. OBJECTIVE: The aim of the study was to review clinical features and prenatal manifestations in this rare SMA subtype. METHODS: SMA patients with the 0SMN1/1SMN2 genotype were retrospectively collected using the UMD-SMN1 France database...
November 29, 2016: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/27911236/patient-versus-physician-reported-facial-disability-in-vestibular-schwannoma-an-international-cross-sectional-study
#15
Øystein Vesterli Tveiten, Matthew L Carlson, Frederik Goplen, Erling Myrseth, Colin L W Driscoll, Rupavathana Mahesparan, Michael J Link, Morten Lund-Johansen
OBJECTIVE Patient-reported outcomes are increasingly used in studies of vestibular schwannoma (VS); however, few studies have examined self-evaluated facial nerve function and its relation to physician-reported outcomes. The primary objective of this study was to compare patient self-evaluations of facial disability with physician-evaluated facial nerve status and with self-evaluations of a healthy control group. The second objective was to provide insight into the controversial subject of the optimal initial management of small- and medium-sized VSs; consequently, the authors compared patient-reported facial nerve disability following treatment via observation (OBS), Gamma Knife surgery (GKS), or microsurgery (MS)...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27908568/squamous-cell-carcinoma-presenting-with-trigeminal-anesthesia-an-uncommon-presentation-of-head-neck-cancer-with-unknown-primary
#16
Ameer T Shah, Walid I Dagher, Miriam A O'Leary, Richard O Wein
BACKGROUND: The differential diagnosis of facial anesthesia is vast. This may be secondary to trauma, neoplasm, both intracranial and extracranial, infection, and neurologic disease. When evaluating a patient with isolated facial anesthesia, the head and neck surgeon often thinks of adenoid cystic carcinoma, which has a propensity for perineural invasion and spread. When one thinks of head and neck squamous cell carcinoma with or without unknown primary, the typical presentation involves dysphagia, odynophagia, weight loss, hoarseness, or more commonly, a neck mass...
November 23, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27903814/blink-associated-contralateral-eccentric-saccades-as-a-rare-sign-of-unilateral-brain-injury
#17
Ilaria Zivi, Eugenio Bertelli, Giacinta Bilotti, Ignazio Alessandro Clemente, Leopold Saltuari, Giuseppe Frazzitta
OBJECTIVE: To describe a rare sign of unilateral brain injury as a form of unwanted blink-associated contralateral eccentric saccades. METHODS: A 62-year-old patient who underwent an ischemic stroke affecting the entire right middle cerebral artery territory came to our attention 1 year after stroke, manifesting with transient contralateral conjugate gaze deviations associated with spontaneous blinking. We complemented the regular neurologic evaluation with brain MRI, study of evoked potentials, electroneurography of the facial nerve, and infrared video-oculoscopy...
November 30, 2016: Neurology
https://www.readbyqxmd.com/read/27903183/stereotactic-radiosurgery-for-vestibular-schwannomas-average-10-year-follow-up-results-focusing-on-long-term-hearing-preservation
#18
Shinya Watanabe, Masaaki Yamamoto, Takuya Kawabe, Takao Koiso, Tetsuya Yamamoto, Akira Matsumura, Hidetoshi Kasuya
OBJECTIVE The aim of this study was to reappraise long-term treatment outcomes of stereotactic radiosurgery (SRS) for vestibular schwannomas (VSs). The authors used a database that included patients who underwent SRS with a unique dose-planning technique, i.e., partial tumor coverage designed to avoid excess irradiation of the facial and cochlear nerves, focusing on tumor control and hearing preservation. Clinical factors associated with post-SRS tumor control and long-term hearing preservation were also analyzed...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27898606/facial-nerve-meningioma-a-cause-of-pediatric-facial-weakness
#19
Nicholas L Deep, Sharon H Gnagi, David F Carpentieri, P David Adelson, Peter A Weisskopf
OBJECTIVE: To present an unusual case of a temporal bone meningioma with intrafascicular spread throughout the temporal facial nerve from cerebellopontine angle (CPA) to stylomastoid foramen. PATIENT: Four-year-old female with progressive facial weakness and normal hearing. MAIN OUTCOME MEASURE: Clinical, radiological, and histopathological findings of temporal bone meningiomas. RESULTS: A patient presented with progressive facial weakness and normal hearing...
November 24, 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27897128/defining-the-limits-of-endoscopic-access-to-internal-auditory-canal
#20
Adam Master, Mickie Hamiter, Maura Cosetti
OBJECTIVE: To quantify surgical access to the internal auditory canal (IAC) using an exclusively endoscopic transcanal approach (EETA) and investigate surgically relevant relationships with neurovascular and osseous landmarks of the temporal bone. MATERIALS AND METHODS: Anatomical dissection of two paired temporal bones and 15 unpaired temporal bones was performed using an exclusively endoscopic approach to IAC. The dissection proceeded until the cerebellopontine angle (CPA) could be accessed...
November 28, 2016: Journal of International Advanced Otology
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