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Trigeminal neuralgia etiology

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https://www.readbyqxmd.com/read/28900824/external-nasal-neuralgia-an-update
#1
REVIEW
Hida Nierenburg, Morgane Swift Morris
PURPOSE OF REVIEW: External nasal neuralgia is a rare syndrome of atypical facial pain for which there is limited reports in the scientific literature. We aim to review diagnosis and provide an update on treatments for this rare condition. RECENT FINDINGS: Etiology has been documented as post-traumatic due to direct trauma to the nose area and in few case reports, idiopathic. Sensory innervation of the nose arises from the ophthalmic and maxillary divisions of the trigeminal nerve...
September 13, 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28804114/clinical-epidemiological-and-etiological-studies-of-adult-aseptic-meningitis-report-of-11-cases-with-varicella-zoster-virus-meningitis
#2
Shinichi Takeshima, Yuji Shiga, Takahiro Himeno, Keisuke Tachiyama, Teppei Kamimura, Ryuhei Kono, Makoto Takemaru, Jun Takeshita, Yutaka Shimoe, Masaru Kuriyama
We treated 11 cases (52.7 ± 14.9 years, all male) with varicella zoster virus (VZV) meningitis and 437 cases with adult aseptic meningitis from 2004 to 2016. The incidence rate of adult VZV meningitis in the cases with aseptic meningitis was 2.5%. Herpes zoster infections are reported to have occurred frequently in summer and autumn. VZV meningitis also occurred frequently in the similar seasons, in our patients. The diagnoses were confirmed in 9 cases with positive VZV-DNA in the cerebrospinal fluid and in 2 cases with high VZV-IgG indexes (> 2...
August 11, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28512048/combined-hyperactive-dysfunction-syndrome-of-the-cranial-nerves-a-retrospective-systematic-study-of-clinical-characteristics-in-44-patients
#3
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. This study retrospectively analyzes 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...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28468201/the-study-of-calcium-phosphonium-magnesium-and-ferrum-concentration-in-serum-of-patients-with-primary-trigeminal-neuralgia
#4
Hua Zhao, Yinda Tang, Xin Zhang, Shiting Li
OBJECTIVE: To measure the concentration of 4 essential elements (Ca, P, Mg, Fe) in serum of patients with primary trigeminal neuralgia. And evaluate the role of the 4 elements in serum on the pathogenesis of trigeminal neuralgia (TN), and the relevance of etiology. METHODS: From June 2013 to June 2014, a number of 80 patients with primary trigeminal neuralgia were collected. We present a retrospective review of the concentration of 4 essential elements with those of control group of 80 patients without TN...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28375911/trigeminal-neuralgia
#5
Giorgio Cruccu
PURPOSE OF REVIEW: Although trigeminal neuralgia is well known to neurologists, recent developments in classification and clinical diagnosis, new MRI methods, and a debate about surgical options necessitate an update on the topic. RECENT FINDINGS: Currently, a worldwide controversy exists regarding the classification, diagnostic process, and surgical treatment of trigeminal neuralgia. This controversy has been caused on one side by the recognition that some 50% of patients with trigeminal neuralgia, apart from characteristic paroxysmal attacks, also have continuous pain in the same territory, which results in greater diagnostic difficulties and is associated with a lower response to medical and surgical treatments...
April 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28281110/headache-in-neuromyelitis-optica
#6
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/28272727/-an-unusual-presentation-of-painful-tic-convulsive
#7
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
https://www.readbyqxmd.com/read/28251523/atypical-facial-pain-a-comprehensive-evidence-based-review
#8
REVIEW
Austin L Weiss, Ken P Ehrhardt, Reda Tolba
PURPOSE OF REVIEW: The purpose of this article is to focus on an excruciating disorder of the face, named atypical facial pain or persistent idiopathic facial pain (PIFP). It is considered an underdiagnosed condition with limited treatment options. Facial pain can be a debilitating disorder that affects patients' quality of life. Up to 26% of the general population has suffered from facial pain at some point in their lives. It is important to highlight the different types of facial pain to be able to properly manage this condition accordingly...
February 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28181442/history-of-facial-pain-diagnosis
#9
Joanna M Zakrzewska, Troels S Jensen
Premise Facial pain refers to a heterogeneous group of clinically and etiologically different conditions with the common clinical feature of pain in the facial area. Among these conditions, trigeminal neuralgia (TN), persistent idiopathic facial pain, temporomandibular joint pain, and trigeminal autonomic cephalalgias (TAC) are the most well described conditions. Conclusion TN has been known for centuries, and is recognised by its characteristic and almost pathognomonic clinical features. The other facial pain conditions are less well defined, and over the years there has been confusion about their classification...
June 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28158167/the-rare-painful-phenomena-chronic-paroxysmal-hemicrania-tic-syndrome-as-a-clinically-isolated-syndrome-of-the-central-nervous-system
#10
Srdjan Ljubisavljevic, Ana Prazic, Miodrag Lazarevic, Dragan Stojanov, Dejan Savic, Slobadan Vojinovic
The association of paroxysmal hemicrania with trigeminal neuralgia (TN) has been described and called paroxysmal hemicrania-tic syndrome (PH-tic). We report the case of a patient diagnosed as having chronic PH-tic (CPH-tic) syndrome as a clinically isolated syndrome of the central nervous system (CNS) (CIS).A forty year old woman was admitted to our hospital suffering from right facial pain for the last 2 years. The attacks were paroxysmal, neuralgiform, consisting of throb-like sensations, which developed spontaneously or were triggered by different stimuli in right facial (maxilar and mandibular) areas...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28158153/trigeminal-neuralgia-induced-by-cobra-venom-leads-to-cognitive-deficits-associated-with-downregulation-of-creb-bdnf-pathway
#11
Li Zhang, Xinli Ding, Zhe Wu, Xiaoyan Qian, Jianxiong An, Ming Tian
BACKGROUND: Chronic pain often results in cognitive impairment. Our previous study showed that trigeminal neuralgia induced by cobra venom leads to spatial learning and memory deficits, although the underlying mechanism remains unclear. However, recent evidence indicates that the c-AMP-responsive element binding protein (CREB)/brain derived neurotrophic factor (BDNF) pathway plays a critical role in various etiologies of cognitive deficits. OBJECTIVES: Our aim was to explore the CREB/BDNF pathway to determine the molecular mechanisms involved in the pathogenesis of cognitive impairment caused by cobra venom-induced trigeminal neuralgia...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28135936/toward-an-etiology-based-management-of-trigeminal-neuralgia
#12
Turo J Nurmikko
No abstract text is available yet for this article.
May 2017: Pain Management
https://www.readbyqxmd.com/read/28118196/the-study-of-calcium-phosphonium-magnesium-and-ferrum-concentration-in-serum-of-patients-with-primary-trigeminal-neuralgia
#13
Hua Zhao, Yinda Tang, Xin Zhang, Shiting Li
OBJECTIVE: To measure the concentration of 4 essential elements (Ca, P, Mg, Fe) in serum of patients with primary trigeminal neuralgia. And evaluate the role of the 4 elements in serum on the pathogenesis of trigeminal neuralgia (TN), and the relevance of etiology. METHODS: From June 2013 to June 2014, a number of 80 patients with primary trigeminal neuralgia were collected. We present a retrospective review of the concentration of 4 essential elements with those of control group of 80 patients without TN...
January 23, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28077839/atypical-trigeminal-neuralgia-a-rare-neurological-manifestation-of-systemic-lupus-erythematosus
#14
Viki Kumar, Jaspinder Kaur, Pallavi Pothuri, Sahiba Bandagi
BACKGROUND Systemic lupus erythematosus (SLE) is a multisystem autoimmune disorder of unknown etiology which can present at any age with symptoms of mucocutaneous, musculoskeletal, renal, central nervous system, and nonspecific clinical pictures making the disease a "master of mimicry". CASE REPORT A 53-year-old female, who was recently diagnosed with SLE, presented with right-sided sharp and electric shock-like facial pain starting at the side of her right nostril and traveling down the naso-labial fold and then back to the angle of the jaw, mostly in the region of V2-V3 distribution with no radiation beyond trigeminal distribution...
January 12, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28076964/trigeminal-neuralgia-diagnosis-and-treatment
#15
Stine Maarbjerg, Giulia Di Stefano, Lars Bendtsen, Giorgio Cruccu
Introduction Trigeminal neuralgia (TN) is characterized by touch-evoked unilateral brief shock-like paroxysmal pain in one or more divisions of the trigeminal nerve. In addition to the paroxysmal pain, some patients also have continuous pain. TN is divided into classical TN (CTN) and secondary TN (STN). Etiology and pathophysiology Demyelination of primary sensory trigeminal afferents in the root entry zone is the predominant pathophysiological mechanism. Most likely, demyelination paves the way for generation of ectopic impulses and ephaptic crosstalk...
June 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28005781/narrow-foramen-ovale-and-rotundum-a-role-in-the-etiology-of-trigeminal-neuralgia
#16
Pengfei Liu, Wenxiang Zhong, Chenlong Liao, Ming Liu, Wenchuan Zhang
Primary trigeminal neuralgia (TN) may occasionally occur in absence of neurovascular compression. A mechanism other than nerovascular compression may play a role in TN. High-resolution computed tomographies (CTs) of 21 consecutive TN patients without vascular compression during surgery and 30 healthy volunteers were retrospectively performed. Measuring parameters (length, width, and aspect ratio) were obtained in the axial plane for foramen ovale, and in the reconstructed coronal plane for foramen rotundum on both sides in each subject...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27989975/is-there-a-magnetic-resonance-imaging-discernible-cause-for-trigeminal-neuralgia-a%C3%A2-structured-review
#17
REVIEW
Judy Alper, Raj K Shrivastava, Priti Balchandani
BACKGROUND: Trigeminal neuralgia (TN) is a chronic brain condition involving the trigeminal nerve and characterized by severe and recurrent facial pain. Although the cause of TN has been researched extensively, there is a lack of convergence on the physiologic processes leading to pain symptoms. This review seeks to better elucidate the underlying pathophysiology of TN by analyzing the outcomes of studies that use magnetic resonance structural imaging and diffusion-weighted imaging to examine nerve damage in patients with TN...
February 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27942467/can-pontine-trigeminal-t2-hyperintensity-suggest-herpetic-etiology-of-trigeminal-neuralgia
#18
Alessandra D'Amico, Carmela Russo, Lorenzo Ugga, Federica Mazio, Elisa Capone, Felice D'Arco, Kshitij Mankad, Ferdinando Caranci, Enrico Marano, Arturo Brunetti
BACKGROUND: Trigeminal neuralgia (TN) is usually classified into two different categories: idiopathic and secondary. We have investigated the frequency of brainstem pontine lesions in patients with idiopathic TN without multiple sclerosis (MS) or stroke, and their association with herpes zoster (HZ) infection. METHODS: Brain magnetic resonance imaging (MRI) studies of 28 patients with TN were retrospectively reviewed. RESULTS: We found seven patients with clinical suspicion of HZ infection and pontine T2 hyperintense lesions, associated with nerve atrophy in one case...
October 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27807409/structural-magnetic-resonance-imaging-can-identify-trigeminal-system-abnormalities-in-classical-trigeminal-neuralgia
#19
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/27695232/nummular-headache-clinico-epidemiological-features-in-south-indian-population
#20
K Rammohan, Shyma M Mundayadan, Robert Mathew
CONTEXT: Nummular headache (NH) is a primary disorder characterized by head pain exclusively felt in a small-rounded area typically 2-6 cm in diameter. AIMS: The aim of this review is to study the clinical and epidemiological features of NH in a patient population of South India and to compare this with that of described in the international literature. SETTINGS AND DESIGN: A prospective, observational study conducted in a tertiary care center...
October 2016: Journal of Neurosciences in Rural Practice
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