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Arachnoiditis

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https://www.readbyqxmd.com/read/28937488/the-significance-of-arachnoid-granulation-in-patients-with-idiopathic-intracranial-hypertension
#1
Gaurav Vishwasrao Watane, Bhumi Patel, Derek Brown, M Reza Taheri
PURPOSE: The aim of this article was to study the significance of arachnoid granulations (AGs) in patients with idiopathic intracranial hypertension (IIH). METHODS: In an institutional review board-approved retrospective chart review study, 79 patients with clinical diagnosis of idiopathic increased intracranial pressure were compared with 63 patients with a diagnosis of multiple sclerosis. Inclusion criteria also included available magnetic resonance imaging (MRI) of the brain, older than 18 years, and female sex...
September 20, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28935547/chronic-subdural-hematoma-a-perspective-on-subdural-membranes-and-dementia
#2
REVIEW
Ronald Sahyouni, Khodayar Goshtasbi, Amin Mahmoodi, Diem Kieu Tran, Jefferson W Chen
Chronic subdural hematoma (cSDH) is a common intracranial pathology, and a leading cause of reversible dementia. cSDH is projected to affect at least 60,000 new individuals in the United States annually by 2030.This can result from mild to moderate head trauma that leads to hemorrhaging in the dura-arachnoid interface. The short and long-term effects of cSDH and the subdural membrane on the pathogenesis of dementia and the newly discovered dural lymphatics is a topic of increasing importance. This manuscript aims to review the complex pathogenesis of the subdural membrane, and the link between head trauma, dementia, and dural lymphatics...
September 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28931297/-intracranial-pressure-evaluation-by-ophthalmologist
#3
J Čmelo, R Illéš, J Šteňo
The value of ICT is important in diagnosis of the diseases of the eye and orbit Methods for direct measurement of intracranial pressure (ICT) are exact, but they are invasive and there is some risk of infection and damage of the tissue. Currently there are 2 valid indirect methods of mesurement of IKT. Digital Ophthalmodynamometry (D-ODM) and Transcranial Doppler ultrasonography (TDU). D-ODM is a non-invasive method for measuring of the Pulsating Venous Pressure (VPT). We can measure VPT by the pulse phenomena...
2017: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/28927910/hearing-outcome-following-microvascular-decompression-for-hemifacial-spasm-series-of-1434-cases
#4
Na Young Jung, Si Woo Lee, Chang Kyu Park, Won Seok Chang, Hyun Ho Jung, Jin Woo Chang
OBJECTIVE: Although hearing impairment after microvasuclar decompression (MVD) for hemifacial spasm (HFS) is not common, its occurrence could detrimentally affect the patient`s surgical outcome. The object of this study is to address the optimal approaches for reducing postoperative hearing problems after MVD for HFS. METHODS: We retrospectively analyzed the medical records of patients with HFS who underwent MVD with the same surgeon at our institute from March 2003 to October 2016, and reviewed the pertinent literature...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919564/intraoperative-visualization-of-a-spinal-arachnoid-cyst-by-using-pyoktanin-blue-technical-note
#5
Soichiro Takamiya, Toshitaka Seki, Kazuyoshi Yamazaki, Toru Sasamori, Kiyohiro Houkin
No abstract text is available yet for this article.
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28905234/endoscopic-treatment-of-middle-fossa-arachnoid-cysts
#6
Waleed A Azab, Mohamed Almanabri, Waleed Yosef
BACKGROUND: Endoscopic treatment of middle fossa arachnoid cysts is an alternative option to microsurgical fenestration and shunting procedures. The procedure is minimally invasive and obviates the morbidity of craniotomy and shunting. METHODS: Operative charts and videos of patients undergoing endoscopic fenestration of middle fossa arachnoid cysts were retrieved from the senior author's database of endoscopic procedures and reviewed. Description of the surgical techniques was then formulated...
September 13, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28904671/-idiopathic-intracranial-hypertension-a-rare-case-related-to-pregnancy
#7
Jihad Drissi, Ayman Hachi, Laila Adlani, Jaouad Kouach, Driss Moussaoui, Mohamed Dehayni
We report the case of a 25-year old primipara whose pregnancy was complicated by idiopathic intracranial hypertension (ICHT) associated with visual impairment in the first quarter. She underwent lumboperitoneal shunt without obstetric consequences. This study aimed to determine the features of this rare pathological entity whose pathophysiological mechanism is poorly elucidated. It would be caused by poor absorption of cerebrospinal fluid (CSF) through the arachnoid granulations. Major risk factors are: obesity, polycystic ovary syndrome, thrombophilia and hyperfibrinolyse...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28902102/post-traumatic-spinal-hygroma-causing-cord-compression-in-type-iii-odontoid-fracture-with-vertical-atlantoaxial-instability
#8
Salvatore Russo, Antonio Belli, Andy Eynon, Ali Nader-Sepahi
STUDY DESIGN: Case report. OBJECTIVE: To report the first case in the literature of a traumatic cervical spine subdural cerebrospinal fluid (CSF) collection (hygroma) under tension causing cord compression. We suggest etiopathogenesis and modality of treatment. SUMMARY OF BACKGROUND DATA: Hygromas are subdural cranial CSF collection. A literature review showed no previous published case of post-traumatic spinal hygroma. This was a potential life-threatening sequelae of a high cervical injury that warranted early diagnosis and emergency treatment...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28899831/acquired-chiari-i-malformation-with-syringomyelia-secondary-to-colloid-cyst-with-hydrocephalus-case-report-and-review-of-literature
#9
Amit Kumar Thotakura, Nageswara R Marabathina
INTRODUCTION: Acquired Chiari malformation and associated syringomyelia have been previously described following lumbar puncture/drainage, lumboperitoneal shunts, and spontaneous CSF leakage. In addition to these etiologies, space-occupying lesions such as meningiomas, epidermoid cysts, medulloblastomas, and arachnoid cysts are rare causes of acquired Chiari malformation and syringomyelia. We report a rare case of colloid cyst with hydrocephalus causing secondary Chiari malformation with syringomyelia...
September 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28898175/an-unusual-presentation-of-creutzfeldt-jakob-disease-and-an-example-of-how-hickam-s-dictum-and-ockham-s-razor-can-both-be-right
#10
Eli S Neiman, Amtul Farheen, Nancy Gadallah, Thomas Steineke, Peter Parsells, Zev A Kizelnik, Michael Rosenberg
Patients can have more than one neurological problem, and sorting out acute from chronic disease can be challenging. The authors report a middle-aged patient who presented with ataxia, right hemiparesis, and abnormal nystagmus. Magnetic resonance imaging (MRI) showed a Chiari and an arachnoid cyst with brainstem compression that appeared to explain his abnormal examination. Shortly after admission, he was noted to have intermittent abnormal behavior and confusion. History from family revealed significant acute and chronic psychiatric problems that appeared to explain his abnormal mental status; this delayed the diagnosis of intermittent complex partial seizures...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28893008/spontaneous-intra-parenchymal-rupture-of-craniopharyngioma-a-rare-phenomenon
#11
Vivakaran Thanga Tirupathi Rajan, Asogan Vaishnavi Janani, Aiyappan Senthil Kumar, Ilangovan Vijay Sundar
Craniopharyngioma is a relatively benign intracranial tumour that involves sellar and supra-sellar regions. Spontaneous rupture of craniopharyngioma into the sub-arachnoid space or into the ventricles is a rare phenomenon and few cases are reported in literature. We hereby report a case of sellar-suprasellar craniopharyngioma with focal intra-parenchymal rupture into brain causing aggravation of headache in a 12-year-old female child. This complication is a relatively rare phenomenon, which requires attention for early intervention...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28885124/thoracic-spinal-cord-impingement-by-an-arachnoid-web-at-the-level-of-a-hemivertebra-case-report
#12
Molly E Hubbard, Matthew A Hunt, Kristen E Jones, David W Polly
Congenital scoliosis due to a hemivertebra requires surgical stabilization prior to skeletal maturity if rapidly progressive curve growth occurs. Here the authors present the unique case of a man who, at the age of 12 years, had undergone Harrington rod placement for stabilization of progressive congenital scoliosis due to a T-11 hemivertebra and then, at the age of 53 years, presented with acutely progressive myelopathy due to spinal cord compression from an arachnoid web at T-11 despite a solid fusion mass at the prior surgical site...
September 8, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28878824/cma-analysis-identifies-homozygous-deletion-of-mcph1-in-2-brothers-with-primary-microcephaly-1
#13
Morteza Hemmat, Melissa J Rumple, Loretta W Mahon, Melanie Morrow, Tamara Zach, Arturo Anguiano, Mohamed M Elnaggar, Boris T Wang, Fatih Z Boyar
BACKGROUND: Homozygous mutations and deletions of the microcephalin gene (MCPH1; OMIM *607117) have been identified as a cause of autosomal recessive primary microcephaly and intellectual disability (MIM #251200). Previous studies in families of Asian descent suggest that the severity of the phenotype may vary based on the extent of the genomic alteration. We report chromosome microarray (CMA) findings and the first described family study of a patient with primary microcephaly in a consanguineous Hispanic family...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/28875887/the-spectrum-and-outcome-of-paediatric-traumatic-brain-injury-in-kwazulu-natal-province-south-africa-has-not-changed-over-the-last-two-decades
#14
J J P Buitendag, V Y Kong, J L Bruce, G L Laing, D L Clarke, P Brysiewicz
OBJECTIVES: This retrospective review of a prospectively entered and maintained hybrid electronic trauma registry was intended to develop a comprehensive overview of traumatic brain injury (TBI) in children and adolescents and to compare it with previous audits from our local environment and from other developing world centres. All TBI patients admitted to hospital were included in this study. We reviewed the age, gender, outcomes, radiological findings and treatment of the patients. METHODS: All patients aged ≤18 years old who were admitted by the Pietermaritzburg Metropolitan Trauma Service (PMTS) with TBI between December 2012 and December 2016 were included in this audit...
August 25, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28868199/intradural-angiomatous-meningioma-arising-from-a-thoracic-nerve-root
#15
Paolo Missori, Valeria Palmarini, Maria Grazia Elefante, Marco Scapeccia, Maurizio Domenicucci, Sergio Paolini
BACKGROUND: Spinal intradural meningiomas that arise purely from a nerve root without dural attachments are extremely rare. Spinal meningiomas arise from arachnoidal cap cells in the spinal canal, and growth of these tumors exerts pressure on the spinal cord and nerve roots. CASE DESCRIPTION: A patient presented with a lesion at the T3-T4 level that resembled a schwannoma on magnetic resonance imaging. During surgery, the tumor originated from a spinal nerve root...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28865322/microvascular-decompression-for-trigeminal-neuralgia-in-patients-with-failed-gamma-knife-surgery-analysis-of-efficacy-and-safety
#16
Jian Cheng, Wenke Liu, Xuhui Hui, Ding Lei, Heng Zhang
OBJECTIVE: Though it is usually successful, failure or delayed pain recurrence may occur after gamma knife surgery (GKS) in patients with trigeminal neuralgia (TN), and additional intervention may be required. This study aimed to investigate whether the safety and efficacy of microvascular decompression (MVD) were influenced by prior GKS. PATIENTS AND METHODS: The authors retrospectively evaluated 36 consecutive TN patients who underwent MVD after failed GKS from January 2012 to June 2013...
October 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28863115/treatment-of-posterior-inferior-cerebellar-artery-adhesion-on-petrous-bone-during-microvascular-decompression-procedure-for-hemifacial-spasm-technique-note
#17
Xiangyu Wei, Xuesheng Zheng, Shiting Li, Wenxiang Zhong, Zheng Chen
Hemifacial spasm is a hyperactive cranial nerve disease mainly characterized by unilateral facial muscles paroxysmal, involuntary, irregular and clonic convulsion. Standard microvascular decompression is currently the most effective solution. During operation, it is pivotal to conduct a sharp dissection of arachnoid membrane around the caudal cranial nerves and facial, auditory nerves for fully exposure of pontomedullary sulcus, and lateral pontine region. In this article, the authors demonstrate a hemifacial spasm patient who underwent microvascular decompression successfully in their department...
September 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28843754/thoracic-intradural-extramedullary-epidermoid-tumor-the-relevance-for-resection-of-classical-subarachnoid-space-microsurgical-anatomy-in-modern-spinal-surgery-technical-note-and-review-of-the-literature
#18
Giuseppe Mv Barbagallo, Massimiliano Maione, Giuseppe Raudino, Francesco Certo
BACKGROUND: Intradural epidermoid tumors of the spinal cord are commonly associated with spinal cord dysraphism or invasive procedures. We report the particular relationships between spinal subarachnoid compartments and a thoracic intradural-extramedullary epidermoid tumor, highlighting the relevant anatomical changes, which may influence microsurgery. METHODS: A 40 year old woman suffering from compressive myelopathy due to a thoracic epidermoid tumor extending from T3 to T4, and not associated with spina bifida, trauma, previous surgery or lumbar spinal puncture, underwent microsurgical excision...
August 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28842236/treatment-of-syringomyelia-in-patients-with-arachnoiditis-at-the-cranio-cervical-junction
#19
Christopher L Davidoff, Shinuo Liu, Johnny H Y Wong, Stavros Koustais, Jeffrey M Rogers, Marcus A Stoodley
OBJECTIVE: Cranio-cervical junction arachnoiditis (CCJA) is an uncommon cause of syringomyelia. The pathophysiology of syrinx formation is uncertain and the appropriate management unclear. A series of cases is reported to demonstrate variations in etiology, uniformity of functional CSF obstruction at the foramen magnum, and results of surgical intervention. METHODS: We retrospectively analyzed the clinical and radiological features of a consecutive series of patients treated for syringomyelia related to CCJA...
August 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28841343/effect-of-methyl-palmitate-on-the-formation-of-epidural-fibrosis-in-an-experimental-epidural-fibrosis-model
#20
Zahir Kizilay, Nesibe Kahraman Cetin
AIM: To investigate the effects of local and systemic administration of methyl palmitate on the formation of epidural fibrosis. MATERIAL AND METHODS: Twenty-eight rats were randomly divided into four equal groups (control, Spongostan, local methyl palmitate and orally methyl palmitate) and laminectomy was performed between T11 and L1 in all rats. Local methyl palmitate (300 mg/kg) was applied with Spongostan; methyl palmitate (300 mg/kg) was given orally three times per week on different days for a total period of 4 weeks...
August 25, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
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