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Trigeminal neuralgia and nerve

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https://www.readbyqxmd.com/read/27925184/a-case-report-about-cluster-tic-syndrome-due-to-venous-compression-of-the-trigeminal-nerve
#1
Ilse de Coo, J Marc C van Dijk, Jan D M Metzemaekers, Joost Haan
BACKGROUND: The term "cluster-tic syndrome" is used for the rare ipsilateral co-occurrence of attacks of cluster headache and trigeminal neuralgia. Medical treatment should combine treatment for cluster headache and trigeminal neuralgia, but is very often unsatisfactory. CASE: Here, we describe a 41-year-old woman diagnosed with cluster-tic syndrome who underwent microvascular decompression of the trigeminal nerve, primarily aimed at the "trigeminal neuralgia" part of her pain syndrome...
December 7, 2016: Headache
https://www.readbyqxmd.com/read/27919615/anatomical-study-of-the-superficial-temporal-branches-of-the-auriculotemporal-nerve-application-to-surgery-and-other-invasive-treatments-to-the-temporal-region
#2
Joe Iwanaga, Koichi Watanabe, Tsuyoshi Saga, Christian Fisahn, Rod J Oskouian, R Shane Tubbs
BACKGROUND AND AIM: The auriculotemporal nerve (ATN) is one of the branches of the mandibular division of the trigeminal nerve, which gives rise to many branches to the retromandibular and temporal regions. Of these, the superficial temporal branch can occasionally be the cause of migraine headaches and auriculotemporal neuralgia. The purpose of this study was to elucidate the anatomy of the superficial temporal branch, which has never been described in detail. METHODS: A total of 14 sides of cadaveric heads were used for this study...
November 11, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27911239/microvascular-decompression-of-the-cochleovestibular-nerve-for-treatment-of-tinnitus-and-vertigo-a-systematic-review-and-meta-analysis-of-individual-patient-data
#3
Minke J C van den Berge, J Marc C van Dijk, Iris A Posthumus, Nynke Smidt, Pim van Dijk, Rolien H Free
OBJECTIVE Microvascular decompression (MVD) is regarded as a valid treatment modality in neurovascular conflicts (NVCs) causing, for example, trigeminal neuralgia and hemifacial spasms. An NVC of the cochleovestibular nerve might cause tinnitus and/or vertigo; however, general acceptance of MVD for this indication is lacking. The aim of this study was to investigate the effectiveness, safety, and prognostic factors for success of MVD of the cochleovestibular nerve. METHODS A systematic review and meta-analysis of individual patient data (IPD) were conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses and Individual Patient Data (PRISMA-IPD) guidelines...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27903196/the-impact-of-cobalt-60-source-age-on-biologically-effective-dose-in-high-dose-functional-gamma-knife-radiosurgery
#4
Benjamin H Kann, James B Yu, John M Stahl, James E Bond, Christopher Loiselle, Veronica L Chiang, Ranjit S Bindra, Jason L Gerrard, David J Carlson
OBJECTIVE Functional Gamma Knife radiosurgery (GKRS) procedures have been increasingly used for treating patients with tremor, trigeminal neuralgia (TN), and refractory obsessive-compulsive disorder. Although its rates of toxicity are low, GKRS has been associated with some, if low, risks for serious sequelae, including hemiparesis and even death. Anecdotal reports have suggested that even with a standardized prescription dose, rates of functional GKRS toxicity increase after replacement of an old cobalt-60 source with a new source...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27901275/peripheral-nerve-blocks-for-the-treatment-of-headache-in-older-adults-a-retrospective-study
#5
Jacob R Hascalovici, Matthew S Robbins
OBJECTIVE: The objective of this study is to provide demographical and clinical descriptions of patients age 65 years old and older who were treated with peripheral nerve blocks (PNBs) at our institution and evaluate the safety and efficacy of this treatment. BACKGROUND: Headache disorders are common, disabling chronic neurological diseases that often persist with advancing age. Geriatric headache management poses unique therapeutic challenges because of considerations of comorbidity, drug interactions, and adverse effects...
November 30, 2016: Headache
https://www.readbyqxmd.com/read/27890752/delayed-development-of-aneurysms-following-gamma-knife-surgery-for-trigeminal-neuralgia-report-of-2-cases
#6
Hiroki Uchikawa, Toru Nishi, Yasuyuki Kaku, Tomoaki Goto, Jun-Ichi Kuratsu, Shigetoshi Yano
BACKGROUND: Delayed development of intracranial aneurysms is an extremely rare complication of gamma knife surgery (GKS), and so far only 6 cases have been reported. Furthermore, there are no reported cases after GKS for trigeminal neuralgia (TN). Of the above cases, none referred to the natural history or pathophysiology of GKS-related intracranial aneurysm formation. CASE DESCRIPTION: We treated 2 patients who suffered subarachnoid hemorrhage (SAH) due to ruptures of intracranial aneurysms that developed long after GKS...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890181/imaging-of-vascular-compression-syndromes
#7
REVIEW
Joseph H Donahue, David A Ornan, Sugoto Mukherjee
Trigeminal neuralgia, hemifacial spasm, vestibulocochlear neuralgia and glossopharyngeal neuralgia represent the most common neurovascular compression syndromes. Repeated vascular pulsations at the vulnerable transitional zone of the individual cranial nerves lead to focal axonal injury and demyelination. High-resolution 3-D T2-weighted MR imaging is essential in detecting and mapping neurovascular compression for directed therapy. Knowledge of the specific nerve root exit, the transitional zones, and the adjacent vasculature is critical in proper management...
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27888745/feasibility-of-eliciting-the-h-reflex-in-the-masseter-muscle-in-patients-under-general-anesthesia
#8
Sedat Ulkatan, Ana Maria Jaramillo, Maria J Téllez, Robert R Goodman, Vedran Deletis
OBJECTIVE: To explore the feasibility of eliciting the brainstem H reflex in the masseter muscle in patients under general anesthesia. METHODS: We electrically stimulated the masseteric nerve, a branch of the trigeminal nerve, and recorded ipsilateral masseteric and temporalis muscle responses. We tested eight patients who presented with trigeminal neuralgia; one patient had a temporal bone tumor and one patient had a brainstem arteriovenous malformation. All responses were elicited when patients were under general anesthesia and before the initiation of surgery...
November 5, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27884603/cranial-nerve-involvement-in-charcot-marie-tooth-disease
#9
Nirav Das, Savannah Kandalaft, Xiao Wu, Ajay Malhotra
BACKGROUND: Charcot-Marie-Tooth Disease (CMT) is a rare disorder with less than 200,000 cases reported in the US every year, making diagnosis challenging. MR and CT imaging has become more common in the evaluation of CMT to identify areas of disease involvement. CASE REPORT: A 27-year-old female from Guatemala with a past history of polio initially presented to the emergency room for necrotizing pneumonia. MRI images demonstrated smoothly enlarged, mildly enhancing trigeminal nerves...
November 21, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27875506/nerve-combing-for-trigeminal-neuralgia-without-vascular-compression
#10
Hua Zhao, Xin Zhang, Dayin Tang, Shiting Li
OBJECTIVE: The aim of this study was to describe and evaluate the long-term clinical outcome of "nerve combing" for trigeminal neuralgia (TN) without vascular compression. METHODS: Fifteen patients with TN treated with microvascular decompression had no visible vascular compression intraoperatively. All of them underwent trigeminal nerve combing. RESULTS: The long-term excellent relief was achieved in 73.3% of patients, 2 patients had good outcome, 1 patient experienced obvious partial relief, and the intensity of the residual pain was not severe enough to require medication...
November 21, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27833706/variant-anatomy-of-the-nasal-and-labial-branches-of-the-infraorbital-nerve
#11
Joseph Munyiri Nderitu, Fawzia Butt, Hassan Saidi
Comprehensive understanding of the variations in the branches of the infraorbital nerve (ION) is vital to the prevention of iatrogenic nerve injury and successful ION blockade during orbitozygomatic facial procedures. Only a few studies exist on the variant anatomy of the branching patterns of this nerve. This article provides a detailed description of the variations of the nasal and superior labial branches of the ION. This study was performed on 84 IONs by dissecting 42 formalin-fixed cadavers from the Laboratory of Topographic Anatomy, Department of Human Anatomy, University of Nairobi...
November 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27833694/large-posterior-communicating-artery-aneurysm-initial-presentation-with-reproducible-facial-pain-without-cranial-nerve-deficit
#12
Stacie Zelman, Michael C Goebel, David E Manthey, Seth Hawkins
Unruptured posterior communicating artery (PCOM) aneurysms can be difficult to diagnose and, when large (≥ 7mm), represent a substantial risk to the patient. While most unruptured PCOM aneurysms are asymptomatic, when symptoms do occur, clinical manifestations typically include severe headache (HA), visual acuity loss, and cranial nerve deficit. This case report describes an atypical initial presentation of a large unruptured PCOM aneurysm with symptoms mimicking trigeminal neuralgia, without other associated cranial nerve palsies or neurologic deficits...
November 2016: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27816028/diabetes-mellitus-in-classical-trigeminal-neuralgia-a-predisposing-factor-for-its-development
#13
Zhenq Xu, Ping Zhang, Li Long, Huiy He, Jianch Zhang, Shup Sun
OBJECTIVES: A higher prevalence of diabetes mellitus in classical trigeminal neuralgia patients was observed in few pilot surveys. The study was aimed to investigate whether diabetes mellitus is a predisposing factor for developing trigeminal neuralgia. MATERIALS AND METHODS: Patients with classical trigeminal neuralgia were enrolled in the case study group. The control group consisted of the same number of age- and gender-matched, randomly sampled subjects without trigeminal neuralgia...
October 22, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27807409/structural-magnetic-resonance-imaging-can-identify-trigeminal-system-abnormalities-in-classical-trigeminal-neuralgia
#14
REVIEW
Danielle D DeSouza, Mojgan Hodaie, Karen D Davis
Classical trigeminal neuralgia (TN) is a chronic pain disorder that has been described as one of the most severe pains one can suffer. The most prevalent theory of TN etiology is that the trigeminal nerve is compressed at the root entry zone (REZ) by blood vessels. However, there is significant evidence showing a lack of neurovascular compression (NVC) for many cases of classical TN. Furthermore, a considerable number of patients who are asymptomatic have MR evidence of NVC. Since there is no validated animal model that reproduces the clinical features of TN, our understanding of TN pathology mainly comes from biopsy studies that have limitations...
2016: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/27789649/persistent-idiopathic-facial-pain-a-prospective-systematic-study-of-clinical-characteristics-and-neuroanatomical-findings-at-3-0-tesla-mri
#15
Stine Maarbjerg, Frauke Wolfram, Tone Bruvik Heinskou, Per Rochat, Aydin Gozalov, Jannick Brennum, Jes Olesen, Lars Bendtsen
INTRODUCTION: Persistent idiopathic facial pain (PIFP) is a poorly understood chronic orofacial pain disorder and a differential diagnosis to trigeminal neuralgia. To address the lack of systematic studies in PIFP we here report clinical characteristics and neuroimaging findings in PIFP. METHODS: Data collection was prospective and standardized in consecutive PIFP patients. All patients underwent 3.0 MRI. RESULTS: In a cohort of 53 PIFP patients, the average age of onset was 44...
October 27, 2016: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/27779254/brain-white-matter-plasticity-and-functional-reorganization-underlying-the-central-pathogenesis-of-trigeminal-neuralgia
#16
Tian Tian, Linying Guo, Jing Xu, Shun Zhang, Jingjing Shi, Chengxia Liu, Yuanyuan Qin, Wenzhen Zhu
Peripheral nerve damage does not fully explain the pathogenesis of trigeminal neuralgia (TN). Central nervous system changes can follow trigeminal nerve dysfunction. We hypothesized that brain white matter and functional connectivity changes in TN patients were involved in pain perception, modulation, the cognitive-affective system, and motor function; moreover, changes in functional reorganization were correlated with white matter alterations. Twenty left TN patients and twenty-two healthy controls were studied...
October 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27755429/angular-relationship-between-the-foramen-ovale-and-the-trigeminal-impression-percutaneous-cannulation-trajectories-for-trigeminal-neuralgia
#17
Matthew J Zdilla, Scott A Hatfield, Kelsey R Mangus
The debilitating pain of trigeminal neuralgia often necessitates neurosurgical intervention via percutaneous transovale cannulation. While most percutaneous treatments of trigeminal neuralgia are successful, severe adverse events resulting from failure to properly cannulate the foramen ovale (FO) have been reported. With regard to specific targeting of particular trigeminal divisions (ie, V1, V2, V3, and combinations thereof), operative techniques have been described; however, these descriptions have not included specific angulation data...
October 14, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27749549/percutaneous-radiofrequency-thermocoagulation-for-trigeminal-neuralgia-using-neuronavigation-guided-puncture-from-a-mandibular-angle
#18
Weihua Ding, Shuping Chen, Rong Wang, Jun Cai, Yuan Cheng, Liang Yu, Qinghua Li, Fang Deng, Shengmei Zhu, Wenhua Yu
Percutaneous radiofrequency thermocoagulation (RFT) of the Gasserian ganglion is an effective treatment for primary trigeminal neuralgia (pTN). Currently Hartel anterior approach is the most commonly used method to access the Gasserian ganglion. However, this approach is associated with high recurrence rate and technical difficulties in certain patients with foramen ovale (FO) anatomical variations. In the present study, we assessed the feasibility of accessing the Gasserian ganglion through the FO from a mandibular angle under computed tomography (CT) and neuronavigation guidance...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27734209/fatal-complications-following-microvascular-decompression-could-it-be-avoided-and-salvaged
#19
Lei Xia, Ming-Xing Liu, Jun Zhong, Ning-Ning Dou, Bin Li, Hui Sun, Shi-Ting Li
Although the microvascular decompression (MVD) surgery has become an effective remedy for cranial nerve rhizopathies, it is still challengeable and may result in a fatal sequel sometimes. Therefore, the operative skill needs to be further highlighted with emphasis on the safety and a preplan for management of postoperative fatal complications should be established. We retrospectively analyzed 6974 cases of MVD. Postoperatively, 46 patients (0.66 %) presented decline in consciousness with a positive finger-nose test (or failure to be tested) after wake up from the anesthesia, whom were focused on in this study...
October 12, 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/27729607/-dermoid-cyst-in-meckel-s-cave-presenting-with-oculomotor-nerve-palsy-and-trigeminal-neuralgia-a-case-report
#20
Nozomu Tanabe, Takahiro Tomita, Shoichi Nagai, Naoya Kuwayama, Kyo Noguchi, Satoshi Kuroda
The authors report a rare case of an intracranial dermoid cyst found in Meckel's cave. A 63-year-old woman developed left oculomotor nerve palsy and was referred to their hospital. Magnetic resonance imaging revealed a cystic lesion in the left Meckel's cave and prepontine cistern, but her symptoms gradually improved during conservative observation. However, three years later she complained of left facial pain in the territory of the second branch of the trigeminal nerve. The left oculomotor nerve palsy exacerbated again...
October 2016: No Shinkei Geka. Neurological Surgery
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