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Trigeminal Neuralgia

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https://www.readbyqxmd.com/read/28340174/application-of-virtual-navigation-with-multimodality-image-fusion-in-foramen-ovale-cannulation
#1
Xixiong Qiu, Weizong Liu, Mingdong Zhang, Hengzhou Lin, Shoujun Zhou, Yi Lei, Jun Xia
Objective. : Idiopathic trigeminal neuralgia (ITN) can be effectively treated with radiofrequency thermocoagulation. However, this procedure requires cannulation of the foramen ovale, and conventional cannulation methods are associated with high failure rates. Multimodality imaging can improve the accuracy of cannulation because each imaging method can compensate for the drawbacks of the other. We aim to determine the feasibility and accuracy of percutaneous foramen ovale cannulation under the guidance of virtual navigation with multimodality image fusion in a self-designed anatomical model of human cadaveric heads...
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28340099/topical-gabapentin-as-add-on-therapy-for-trigeminal-neuralgia-a-case-report
#2
Teresa Brid, Maria Paz Sacristán de Lama, Nieves González, Ana Baamonde
No abstract text is available yet for this article.
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339630/mr-tractography-in-short-lasting-unilateral-neuralgiform-headache-attacks-with-conjunctival-injection-and-tearing-sunct-patients-case-reports
#3
Ozlem Coskun, Murat Ucar, Doga Vuralli, Funuzar Yildirim, Rumeysa Cetinkaya, Suna Akin Takmaz, Serap Ucler
Background. : Short-lasting unilateral neuralgiform headache attack with conjunctival injection and tearing (SUNCT) is one of the trigeminal autonomic cephalalgias where neurovascular compression was detected in neuroimaging in recent years. Case. : We report two cases, a 52-year-old adult and a 69-year-old elderly patient with short-lasting and recurrent headache combined with cranial autonomic features. Diffusion tensor imaging (DTI) and magnetic resonance (MR) tractography of both patients outlined structural changes of the trigeminal nerve revealing neurovascular compression...
February 11, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339440/pulsed-radiofrequency-to-the-dorsal-root-ganglion-in-acute-herpes-zoster-and-postherpetic-neuralgia
#4
Koohyun Kim, Daehyun Jo, EungDon Kim
BACKGROUND: Latent varicella zoster virus reactivates mainly in sensory ganglia such as the dorsal root ganglion (DRG) or trigeminal ganglion. The DRG contains many receptor channels and is an important region for pain signal transduction. Sustained abnormal electrical activity to the spinal cord via the DRG in acute herpes zoster can result in neuropathic conditions such as postherpetic neuralgia (PHN). Although the efficacy of pulsed radiofrequency (PRF) application to the DRG in various pain conditions has been previously reported, the application of PRF to the DRG in patients with herpes zoster has not yet been studied...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28336479/radiosurgical-target-distance-from-the-root-entry-zone-in-the-treatment-of-trigeminal-neuralgia
#5
Justin Sharim, Wei-Lun Lo, Won Kim, Srinivas Chivukula, Stephen Tenn, Tania Kaprealian, Nader Pouratian
PURPOSE: Stereotactic radiosurgery (SRS) provides a noninvasive treatment modality for patients with medically refractory trigeminal neuralgia. The root entry zone (REZ) has been proposed to be an ideal stereotactic target because it is partially composed of centrally produced myelin, conferring a theoretical increased sensitivity to irradiation as well as increased susceptibility to neurovascular conflict, making it the site in which nociceptive signals likely arise. The aim of this study is to determine if there is a statistically and clinically significant difference in pain relief or facial hypesthesia following SRS based on distance of the stereotactic isocenter from REZ...
December 23, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28331643/hemifacial-pain-and-hemisensory-disturbance-referred-from-occipital-neuralgia-caused-by-pathological-vascular-contact-of-the-greater-occipital-nerve
#6
Byung-Chul Son, Jin-Gyu Choi
Here we report a unique case of chronic occipital neuralgia caused by pathological vascular contact of the left greater occipital nerve. After 12 months of left-sided, unremitting occipital neuralgia, a hypesthesia and facial pain developed in the left hemiface. The decompression of the left greater occipital nerve from pathological contacts with the occipital artery resulted in immediate relief for hemifacial sensory change and facial pain, as well as chronic occipital neuralgia. Although referral of pain from the stimulation of occipital and cervical structures innervated by upper cervical nerves to the frontal head of V1 trigeminal distribution has been reported, the development of hemifacial sensory change associated with referred trigeminal pain from chronic occipital neuralgia is extremely rare...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28324318/botulinum-neurotoxin-type-a-for-the-treatment-of-pain-not-just-in-migraine-and-trigeminal-neuralgia
#7
Giorgio Sandrini, Roberto De Icco, Cristina Tassorelli, Nicola Smania, Stefano Tamburin
BACKGROUND: Despite their huge epidemiological impact, primary headaches, trigeminal neuralgia and other chronic pain conditions still receive suboptimal medical approach, even in developed countries. The limited efficacy of current pain-killers and prophylactic treatments stands among the main reasons for this phenomenon. Botulinum neurotoxin (BoNT) represents a well-established and licensed treatment for chronic migraine, but also an emerging treatment for other types of primary headache, trigeminal neuralgia, neuropathic pain, and an increasing number of pain conditions...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28318068/helicid-alleviates-pain-and-sleep-disturbances-in-a-neuropathic-pain-like-model-in-mice
#8
Meng-Qi Zhang, Tian-Xiao Wang, Rui Li, Zhi-Li Huang, Wu-Jian Han, Xiao-Chang Dai, Yi-Qun Wang
Natural helicid (4-formylphenyl-O-β-d-allopyranoside), a main active constituent from seeds of the Chinese herb Helicia nilagirica, has been reported to exert a sedative, analgesic and hypnotic effect, and is used clinically to treat neurasthenic syndrome, vascular headaches and trigeminal neuralgia. In the current study, mechanical allodynia tests, electroencephalograms, electromyogram recordings and c-Fos expression in neuropathic pain-like model mice of partial sciatic nerve ligation were used to investigate the effect of helicid on neuropathic pain and co-morbid insomnia...
March 20, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28314515/french-guidelines-for-diagnosis-and-treatment-of-classical-trigeminal-neuralgia-french-headache-society-and-french-neurosurgical-society
#9
A Donnet, E Simon, E Cuny, G Demarquay, A Ducros, S De Gaalon, P Giraud, E Guégan Massardier, M Lanteri-Minet, D Leclercq, C Lucas, M Navez, C Roos, D Valade, P Mertens
No abstract text is available yet for this article.
March 14, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28300370/linac-based-stereotactic-radiosurgery-srs-in-the-treatment-of-refractory-trigeminal-neuralgia-detailed-description-of-srs-procedure-and-reported-clinical-outcomes
#10
Damodar Pokhrel, Sumit Sood, Christopher McClinton, Habeeb Saleh, Rajeev Badkul, Hongyu Jiang, Timothy Stepp, Paul Camarata, Fen Wang
PURPOSE/OBJECTIVES: To present our linac-based SRS procedural technique for medically and/or surgically refractory trigeminal neuralgia (TN) treatment and simultaneously report our clinical outcomes. MATERIALS AND METHODS: Twenty-seven refractory TN patients who were treated with a single fraction of 80 Gy to TN. Treatment delivery was performed with a 4 mm cone size using 7-arc arrangement with differential-weighting for Novalis-TX with six MV-SRS (1000 MU/min) beam and minimized dose to the brainstem...
March 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28298043/ct-guided-selective-percutaneous-radiofrequency-thermocoagulation-via-the-foramen-rotundum-for-isolated-maxillary-nerve-idiopathic-trigeminal-neuralgia
#11
Quan Wan, Daying Zhang, Xintian Cao, Yong Zhang, Mengye Zhu, Wei Zuo
OBJECTIVE Although CT-guided selective percutaneous radiofrequency thermocoagulation (PRFT) via the foramen rotundum (FR) has been used in the clinic as a novel successful treatment for isolated, second division (maxillary nerve [V2]), idiopathic trigeminal neuralgia (ITN), there is only very limited related literature published to date. This report aims to provide more detail for physicians about this technique. METHODS Between March 2013 and April 2014, 20 patients with isolated V2 ITN refractory to or intolerant of drug treatment were treated by CT-guided selective PRFT via the FR at the First Affiliated Hospital of Nanchang University...
March 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28298026/prospective-comparison-of-long-term-pain-relief-rates-after-first-time-microvascular-decompression-and-stereotactic-radiosurgery-for-trigeminal-neuralgia
#12
Doris D Wang, Kunal P Raygor, Tene A Cage, Mariann M Ward, Sarah Westcott, Nicholas M Barbaro, Edward F Chang
OBJECTIVE Common surgical treatments for trigeminal neuralgia (TN) include microvascular decompression (MVD), stereotactic radiosurgery (SRS), and radiofrequency ablation (RFA). Although the efficacy of each procedure has been described, few studies have directly compared these treatment modalities on pain control for TN. Using a large prospective longitudinal database, the authors aimed to 1) directly compare long-term pain control rates for first-time surgical treatments for idiopathic TN, and 2) identify predictors of pain control...
February 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28298016/a-proposed-plan-for-personalized-radiosurgery-in-patients-with-trigeminal-neuralgia
#13
Seyed H Mousavi, Ajay Niranjan, Berkcan Akpinar, Edward A Monaco, Jonathan Cohen, Jagdish Bhatnagar, Yue-Fang Chang, Hideyuki Kano, Sakibul Huq, John C Flickinger, L Dade Lunsford
OBJECTIVE During the last 25 years, more than 100,000 patients worldwide with trigeminal neuralgia (TN) have undergone stereotactic radiosurgery (SRS) with a standard dose of radiation. However, the radiobiological effect of radiation is determined by the amount of energy delivered to the tissue (integral dose [ID] = mean dose × target volume) and is directly associated with the nerve volume. Although the trigeminal nerve volume varies among patients with TN, the clinical impact of this variation in delivered energy is unknown...
February 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28296312/two-year-experience-with-the-commercial-gamma-knife-check-software
#14
Andy Yuanguang Xu, Jagdish Bhatnagar, Greg Bednarz, Josef Novotny, John Flickinger, L Dade Lunsford, M Saiful Huq
The Gamma Knife Check software is an FDA approved second check system for dose calculations in Gamma Knife radiosurgery. The purpose of this study was to evaluate the accuracy and the stability of the commercial software package as a tool for independent dose verification. The Gamma Knife Check software version 8.4 was commissioned for a Leksell Gamma Knife Perfexion and a 4C unit at the University of Pittsburgh Medical Center in May 2012. Independent dose verifications were performed using this software for 319 radiosurgery cases on the Perfexion and 283 radiosurgery cases on the 4C units...
July 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28291674/-trigeminal-neuralgia-secondary-to-petrous-endostosis
#15
Jacinto Mata-Gómez, Manuel Royano-Sánchez, Macarena Bejarano-Parra, Ignacio Gilete-Tejero, María Rico-Cotelo, Marta Ortega-Martínez
Arterial neurovascular compression is hypothesised to be the main cause of primary trigeminal neuralgia. Although it is the most common cause, other pathologies, such as tumours in the cerebellopontine angle, can cause trigeminal pain. We report a case of a 44-year-old female patient with right trigeminal neuralgia without satisfactory response to medical treatment. Cerebral MRI showed no structural injuries. During microvascular decompression of the trigeminal nerve, endostosis of the internal aspect of the petrous bone was found to compress the trigeminal nerve...
March 10, 2017: Neurocirugía
https://www.readbyqxmd.com/read/28281110/headache-in-neuromyelitis-optica
#16
REVIEW
Alina Masters-Israilov, Matthew S Robbins
PURPOSE OF REVIEW: Neuromyelitis optica (NMO) classically features a clinical presentation that includes longitudinally extensive transverse myelitis and optic neuritis. However, many other pathognomonic phenomena have more recently been described in patients diagnosed with NMO, including intractable hiccups, vomiting, and painful tonic spasms, but less has been reported regarding the relationship between NMO and headache. Though headache is well established as both a symptom and comorbidity of multiple sclerosis (MS), it has been much less described thus far in the NMO literature and warrants more careful evaluation...
April 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28280653/microvascular-decompression-versus-stereotactic-radiosurgery-for-trigeminal-neuralgia-a-decision-analysis
#17
Ian Berger, Nikhil Nayak, James Schuster, John Lee, Sherman Stein, Neil R Malhotra
INTRODUCTION:  Both microvascular decompression (MVD) and stereotactic radiosurgery (SRS) have been demonstrated to be effective in treating medically refractory trigeminal neuralgia. However, there is controversy over which one offers more durable pain relief and the patient selection for each treatment. We used a decision analysis model to calculate the health-related quality of life (QOL) for each treatment. METHODS:  We searched PubMed and the Cochrane Database of Systematic Reviews for relevant articles on MVD or SRS for trigeminal neuralgia published between 2000 and 2015...
January 26, 2017: Curēus
https://www.readbyqxmd.com/read/28275605/unrelenting-ocular-pain-as-a-masquerading-symptom-of-occult-choroidal-metastasis
#18
Jordan D Deaner, Renelle Pointdujour-Lim, Emil Anthony T Say, Carol L Shields
PURPOSE: To report a case of chronic eye pain as a presenting feature of choroidal metastasis from lung cancer. METHODS: We report the case of a 58-year-old Caucasian woman with stage IV lung adenocarcinoma presenting with an 8-month history of left eye pain and blurred vision. RESULTS: The patient had previously consulted 14 ophthalmologists with varying diagnoses including posterior scleritis and trigeminal neuralgia. Visual acuity at presentation was 20/20 in the right eye and 20/80 in the left eye...
January 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/28274075/herpes-zoster-with-post-herpetic-neuralgia-involving-the-right-maxillary-branch-of-trigeminal-nerve-a-case-report-and-review-of-literature
#19
Massillamani Francis, Kailasam Subramanian, S Leena Sankari, Venkata Lakshmi Aparna Potluri, Akila Prabakaran
Herpes Zoster (HZ) is an acute, self-limiting, neuro cutaneous viral infection caused by the reactivation of the Varicella Zoster Virus (VZV) that remains latent in the dorsal root ganglion. About 50% of occurrence is seen in older age groups and immunocompromised patients. Less than 5% occur in children. HZ is characterized by the unilateral pain, burning and tingling sensation followed by the vesicular eruptions limited to the single dermatome that are innervated by the single cranial ganglion, sometimes it leads to Post Herpetic Neuralgia (PHN)...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28272727/-an-unusual-presentation-of-painful-tic-convulsive
#20
S Romano-Feinholz, M P Medina, F E Nares-Lopez, J L Soto-Hernandez, R Revuelta-Gutierrez
INTRODUCTION: The term 'painful tic convulsive' is used to describe the syndrome involving concomitant hemifacial spasm and ipsilateral trigeminal neuralgia. Vascular compression of the fifth and seventh cranial nerves is the most common cause, involving the entry and exit zone of rootlets coming from the brainstem; nevertheless, different etiologies of this syndrome has been previously reported. Treatment for this disease is based on surgical microvascular decompression of the nerve rootlets, but still a topic of debate...
March 16, 2017: Revista de Neurologia
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