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https://www.readbyqxmd.com/read/28534340/imaging-of-cranial-nerves-iii-iv-vi-in-congenital-cranial-dysinnervation-disorders
#1
REVIEW
Jae Hyoung Kim, Jeong Min Hwang
Congenital cranial dysinnervation disorders are a group of diseases caused by abnormal development of cranial nerve nuclei or their axonal connections, resulting in aberrant innervation of the ocular and facial musculature. Its diagnosis could be facilitated by the development of high resolution thin-section magnetic resonance imaging. The purpose of this review is to describe the method to visualize cranial nerves III, IV, and VI and to present the imaging findings of congenital cranial dysinnervation disorders including congenital oculomotor nerve palsy, congenital trochlear nerve palsy, Duane retraction syndrome, Möbius syndrome, congenital fibrosis of the extraocular muscles, synergistic divergence, and synergistic convergence...
May 12, 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/28534142/teflon-granuloma-after-microvascular-decompression-for-hemifacial-spasm-a-case-report-and-literature-review
#2
Kazunori Oda, Tadashi Higuchi, Yasuo Murai, Fumio Yamaguchi, Akio Morita
Teflon has been commonly used as a surgical material. In particular, Teflon has been considered suitable for microvascular decompression of cranial nerves, as it is a stable, inert substance that does not resorb or migrate. Giant cell foreign body reactions after microvascular decompression (MVD) have been reported, but this rare complication has not been well recognized. Here, we report one case of Teflon granuloma that occurred 4 years after MVD for hemifacial spasm. We discuss the cause, histopathological analysis, particular MVD surgical methods, and management of Teflon granuloma...
May 22, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28534125/salivary-glands-abnormalities-in-oculo-auriculo-vertebral-spectrum
#3
Davide Brotto, Renzo Manara, Stefania Vio, Sara Ghiselli, Elena Cantone, Rodica Mardari, Irene Toldo, Valentina Stritoni, Alessandro Castiglione, Elisa Lovo, Patrizia Trevisi, Roberto Bovo, Alessandro Martini
BACKGROUND: Feeding and swallowing impairment are present in up to 80% of oculo-auriculo-vertebral spectrum (OAVS) patients. Salivary gland abnormalities have been reported in OAVS patients but their rate, features, and relationship with phenotype severity have yet to be defined. MATERIAL AND METHODS: Parotid and submandibular salivary gland hypo/aplasia was evaluated on head MRI of 25 OAVS patients (16 with severe phenotype, Goldenhar syndrome) and 11 controls...
May 22, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28531285/paratrigeminal-paraclival-precavernous-or-all-of-the-above-a-circumferential-anatomical-study-of-the-c3-c4-transitional-segment-of-the-internal-carotid-artery
#4
Eleonora Marcati, Norberto Andaluz, Sebastien C Froelich, Lee A Zimmer, James L Leach, Juan Carlos Fernandez-Miranda, Almaz Kurbanov, Jeffrey T Keller
BACKGROUND: Although the term paraclival carotid pervades recent skull base literature, no clear consensus exists regarding boundaries or anatomical segments. OBJECTIVE: To reconcile various internal carotid artery (ICA) nomenclatures for transcranial and endoscopic-endonasal perspectives, we reexamined the transition between lacerum (C3) and cavernous (C4) segments using a C1-C7 segments schema. In this cadaveric study, we obtained a 360°-circumferential view integrating histological, microsurgical, endoscopic, and neuroradiological analyses of this C3-C4 region and identified a distinct transitional segment...
May 21, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28530253/sensitivity-and-specificity-of-vestibular-bedside-examination-in-detecting-viii-cranial-nerve-schwannoma-with-sensorineural-sudden-unilateral-hearing-loss-as-presenting-symptom
#5
L Califano, F Salafia, M G Melillo, S Mazzone
The objectives of this study were to identify signs of vestibular nerve suffering through a bedside vestibular examination protocol in case of sudden sensorineural unilateral hearing loss without spontaneous signs of vestibular impairment and to propose a bed-side vestibular examination based protocol for the focused execution of gadolinium-enhanced magnetic resonance imaging (MRI) only if a vestibular schwannoma is suspected. 96 patients, 52 men, 44 women, mean age 57.73 +/- 12.85 years, suffering from sudden sensorineural unilateral hearing loss, which presented neither vertigo nor spontaneous nystagmus, were enrolled...
May 22, 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28529053/unusual-intra-parenchymal-pontomedullary-epidermoid-cyst-in-a-2-year-old-case-report-and-literature-review
#6
Anan Shtaya, Bassam Dabbous, Evgenia Fanou, Leslie Bridges, Samantha Hettige
BACKGROUND: Intrinsic brainstem epidermoid cysts are rare, benign, slow growing lesions. Their eloquence preclude complete excision, however subtotal resection will often result in prolonged or sometimes permanent relief of presenting symptoms and signs. We describe an unusual case and review the literature of this pathology in the paediatric population. CASE DESCRIPTION: We report an intra-axial pontine epidermoid cyst in a 2-year-old girl who presented with developmental delay, multiple cranial nerve palsies and pneumonia...
May 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28527929/new-predictors-of-complications-in-carotid-body-tumor-resection
#7
Gloria Y Kim, Peter F Lawrence, Rameen S Moridzadeh, Kate Zimmerman, Alberto Munoz, Kuauhyama Luna-Ortiz, Gustavo S Oderich, Juan de Francisco, Jorge Ospina, Santiago Huertas, Leonardo R de Souza, Thomas C Bower, Steven Farley, Hugh A Gelabert, Marcus R Kret, E John Harris, Giovanni De Caridi, Francesco Spinelli, Matthew R Smeds, Christos D Liapis, John Kakisis, Anastasios P Papapetrou, Eike S Debus, Christian-A Behrendt, Edgar Kleinspehn, Joshua D Horton, Firas F Mussa, Stephen W K Cheng, Mark D Morasch, Khurram Rasheed, Matthew E Bennett, Jean Bismuth, Alan B Lumsden, Christopher J Abularrage, Alik Farber
OBJECTIVE: This study examined the relationship between two new variables, tumor distance to base of skull (DTBOS) and tumor volume, with complications of carotid body tumor (CBT) resection, including bleeding and cranial nerve injury. METHODS: Patients who underwent CBT resection between 2004 and 2014 were studied using a standardized, multi-institutional database. Demographic, perioperative, and outcomes data were collected. CBT measurements were determined from computed tomography, magnetic resonance imaging, and ultrasound examination...
June 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28527060/treatments-of-glossopharyngeal-neuralgia-towards-standard-procedures
#8
Andrea Franzini, Giuseppe Messina, Angelo Franzini, Marcello Marchetti, Paolo Ferroli, Laura Fariselli, Giovanni Broggi
The degree of disability due to glossopharyngeal neuralgia (GN) refractory to conservative treatments justifies surgical procedures as second-line treatments. Since the first description of this facial pain disorders, many surgical options have been described either via a percutaneous or an open surgical way. Actually, when a neurovascular conflict on root entry zone (REZ) or cisternal portion of the ninth and tenth cranial nerves is identified, microvascular decompression (MVD) is the first surgical option to consider...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28527055/cluster-headache-present-and-future-therapy
#9
Massimo Leone, Alessandro Giustiniani, Alberto Proietti Cecchini
Cluster headache is characterized by severe, unilateral headache attacks of orbital, supraorbital or temporal pain lasting 15-180 min accompanied by ipsilateral lacrimation, rhinorrhea and other cranial autonomic manifestations. Cluster headache attacks need fast-acting abortive agents because the pain peaks very quickly; sumatriptan injection is the gold standard acute treatment. First-line preventative drugs include verapamil and carbolithium. Other drugs demonstrated effective in open trials include topiramate, valproic acid, gabapentin and others...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28524131/-surgical-correction-of-cranial-nerve-vascular-compression-syndromes
#10
V N Shimanskiy, S V Tanyashin, V K Poshataev
No abstract text is available yet for this article.
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28524121/-the-use-of-high-flow-extracranial-intracranial-artery-bypass-in-pathology-of-the-cerebral-and-brachiocephalic-arteries-technical-features-and-surgical-outcomes
#11
A V Dubovoy, K S Ovsyannikov, V E Guzhin, A V Cherepanov, D M Galaktionov, A M Perfil'ev, A O Sosnov
BACKGROUND: Poor outcomes of surgical treatment for complex cerebral aneurysms due to the development of cerebral ischemia were the cause to use cerebral revascularization surgery for this pathology. OBJECTIVE: the study objective was to master a high-flow extracranial-intracranial (EC-IC) artery bypass technique and evaluate its application in surgical treatment of complex and giant cerebral aneurysms as well as complex lesions of the brachiocephalic arteries. MATERIAL AND METHODS: Fifty two patients underwent high-flow IC-EC bypass surgery; of these, 34 patients had complex cerebral aneurysms, and 18 patients had complex stenotic occlusive lesions of the brachiocephalic arteries...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28523231/association-of-anti-gangliosides-antibodies-and-anti-cmv-antibodies-in-guillain-barr%C3%A3-syndrome
#12
Lijuan Wang, Chunqing Shao, Chunjiao Yang, Xixiong Kang, Guojun Zhang
INTRODUCTION: Numerous types of infection were closely related to GBS, mainly including Campylobacter jejuni, Cytomegalovirus, which may lead to the production of anti-gangliosides antibodies (AGA). Currently, although there are increased studies on the AGA and a few studies of anti-CMV antibodies in GBS, the association between them remains poorly documented. Therefore, our research aims to analyze the correlation of anti-CMV antibodies and AGA in GBS. METHODS: A total of 29 patients with GBS were enrolled in this study...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28522371/c1-lateral-mass-screw-insertion-from-the-caudal-dorsal-to-the-cranial-ventral-direction-as-an-alternate-method-for-c1-fixation-a-quantitative-anatomical-and-morphometric-evaluation
#13
Mehmet Senoglu, Ali Karadag, Burak Kinali, Baran Bozkurt, Cigdem Icke, Duygu Halacoglu Savran, Erik H Middlebrooks
OBJECT: C1 lateral mass screw has been widely used for fixation of the upper cervical spine. However, traditional fixation methods are not without complication. Morphometric measurement of an alternative approach is conducted. METHODS: Three-dimensional CT scans of the cervical spine obtained in 100 adults were evaluated, and key measurements were determined for screw entry points, trajectories, and screw lengths for placement of a C1 screw via this alternate approach...
May 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28521402/imaging-characteristics-and-surgical-treatment-of-invasive-meningioma
#14
Weina Hou, Yongqian Ma, Hongshun Xing, Yuehui Yin
In order to provide an effective way to prevent or substantially delay the recurrence of invasive meningioma, and improve the curative effect of surgical treatment, we collected and analyzed the clinical manifestations, pathological features, preoperative imaging characteristics as well the data obtained during the surgical treatment of invasive meningioma. From February 2014 to February 2016, 59 patients with invasive meningioma were enrolled in this study. Invasive meningioma was confirmed in all patients by operation...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521351/the-endoscopic-endonasal-transmaxillary-approach-to-meckel-s-cave-through-the-inferior-orbital-fissure
#15
Xin Zhang, Halima Tabani, Ivan El-Sayed, Matthew Russell, Xuequan Feng, Arnau Benet
BACKGROUND: Surgical access to Meckel's Cave (MC) is challenging due to its deep location and surrounding important neurovascular structures. Currently existing endoscopic endonasal (EE) approaches require dissecting near the internal carotid artery (ICA) or require transposition of the pterygopalatine neurovascular bundle. OBJECTIVE: To describe a novel approach to access the anterolateral aspect of the MC using a minimally invasive EE route. METHODS: The EE transmaxillary transinferior orbital fissure approach was simulated in 10 specimens...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28521183/predictors-of-poor-visual-outcome-in-patients-with-idiopathic-intracranial-hypertension-iih-an-ambispective-cohort-study
#16
Amit Agarwal, Deepti Vibha, Kameshwar Prasad, Rohit Bhatia, Mamta Bhushan Singh, Ajay Garg, Rohit Saxena
OBJECTIVE: Idiopathic intracranial hypertension (IIH) is a disease of young with threat to vision if not diagnosed timely. This study looked at the putative predictors of poor visual outcome in patients with IIH at six months after presentation via a cohort study. PATIENTS AND METHODS: All patients diagnosed with IIH from January 2011 to May 2015 were enrolled. The study design was ambispective cohort study. The baseline clinical and radiological characteristics assessed were age, sex, body mass index (BMI), duration of symptoms, transient visual obscuration, cranial nerve palsy, diminution of vision, Cerebrospinal fluid (CSF) opening pressure, empty sella, optic nerve dilatation, global configuration and transverse sinus stenosis...
May 10, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28515545/traumatic-brain-injury-and-neuropsychiatric-complications
#17
REVIEW
Saeed Ahmed, Hema Venigalla, Hema Madhuri Mekala, Sara Dar, Mudasar Hassan, Shahana Ayub
Traumatic brain injury (TBI) occurs when a blow or jolt to the head or a penetrating injury results in damage to the brain. It is the most frequent cause of hospitalization in young people with a higher prevalence in men. TBI is the leading cause of disability and mortality between the ages 1 and 45. TBI can be caused either by the direct result of trauma or due to a complication of the primary injury. The most common etiological factors for TBI are falls, road traffic accidents, violent physical assaults, and injuries associated with athletic activities...
March 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28512503/massive-oculomotor-nerve-enlargement-a-case-of-presumed-schwannomatosis
#18
Laura Donaldson, Ryan Rebello, Amadeo Rodriguez
A 45-year-old man presented with a slowly progressive pupil-involving third nerve palsy. Magnetic resonance imaging (MRI) revealed a tubular lesion extending from the interpeduncular cistern through the cavernous sinus and into the left orbit where it branched into a superior and an inferior division, clearly outlining the anatomy of the third cranial nerve. Multiple other, less pronounced, enlarged cranial nerves were noted. The differential diagnosis included chronic inflammatory demyelinating polyneuropathy (CIDP), hereditary motor and sensory neuropathy (HMSN), neurofibromatosis (NF), and schwannomatosis...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512048/combined-hyperactive-dysfunction-syndrome-of-the-cranial-nerves-a-retrospective-systematic-study-of-clinical-characteristics-in-44-patients
#19
Jingwei Cao, Jie Jiao, Zhenhui Du, Wenzhe Xu, Bin Sun, Feng Li, Yuguang Liu
BACKGROUND: Combined hyperactive dysfunction syndrome (HDS) is defined as the combination symptoms arising from overactivity in cranial nerves specifically, trigeminal neuralgia (TN), hemifacial spasm (HFS), and glossopharyngeal neuralgia (GPN) without an obvious explanatory structural lesion. The study aims to retrospectively analyze the clinical characteristics of combined HDS treated with microvascular decompression (MVD) in a single institution. METHODS: A total of 1450 patients with HDS were treated with MVD in our department during a 10-year period, among which 44 cases of combined HDS were identified...
May 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28511971/learning-curve-for-the-endoscopic-endonasal-approach-for-suprasellar-craniopharyngiomas
#20
Hailin Ding, Ye Gu, Xiaobiao Zhang, Tao Xie, Tengfei Liu, Fan Hu, Yong Yu, Chongjing Sun
The endoscopic endonasal approach is considered an alternative minimally invasive approach for suprasellar craniopharyngiomas. However, the complicated surgical manipulations required by this approach have limited its application. We evaluate whether the approach features a learning curve. Thirty-three patients were retrospectively reviewed and grouped as early (17 patients) and late (16 patient) groups. The operation time, extent of removal, ophthalmology, endocrinology, reconstruction and modifications of standard technique were evaluated...
May 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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