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Adhesive Arachnoiditis

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https://www.readbyqxmd.com/read/29027876/intradural-pathology-and-pathophysiology-associated-with-chiari-i-malformation-in-children-and-adults-with-and-without-syringomyelia
#1
Brian J Dlouhy, Jeffrey D Dawson, Arnold H Menezes
OBJECTIVE The pathophysiology underlying tonsillar herniation and CSF obstruction in Chiari malformation Type I (CM-I) is unclear, and the cause of CM-I-associated syringomyelia is not well understood. A better understanding of this pathophysiology is important for an improved treatment strategy. Therefore, the authors sought to identify, characterize, and examine the intradural pathology and CSF flow pathophysiology in the posterior fossa and at the level of the foramen magnum that occurs in the setting of CM-I...
October 13, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29027644/treatment-of-empty-sella-associated-with-visual-impairment-a-systematic-review-of-chiasmapexy-techniques
#2
REVIEW
Lina Raffaella Barzaghi, Carmine Antonio Donofrio, Pietro Panni, Marco Losa, Pietro Mortini
PURPOSE: Chiasmapexy is a poorly described surgical procedure adopted to correct the downward displacement of suprasellar visual system (SVS) into an empty sella (ES) causing visual worsening. The aim of our study is to define the indications for extradural and intradural chiasmapexy. METHODS: A systematic literature review has been performed on MEDLINE database (US National Library of Medicine), including only articles that depicted cases of surgically treated patients affected by ES and progressive delayed visual worsening...
October 13, 2017: Pituitary
https://www.readbyqxmd.com/read/28865322/microvascular-decompression-for-trigeminal-neuralgia-in-patients-with-failed-gamma-knife-surgery-analysis-of-efficacy-and-safety
#3
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
#4
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/28816700/recovery-of-tinnitus-and-sensorineural-hearing-loss-due-to-lysis-of-arachnoid-adhesions-in-the-posterior-cranial-fossa-is-there-a-novel-etiology-in-neurotological-disorders
#5
Raşit Cevizci, Alper Dilci, Ahmet Mahmut Tekin, Yıldırım Bayazıt
We reported the recovery of sensorineural hearing loss and tinnitus in a 22-year-old man after complete removal of intracranial portion of jugular foramen schwannoma via the retrosigmoid approach. The aim of this case report was to present the excision of a large jugular foramen schwannoma via the retrosigmoid approach and to describe the improvement of sensorineural hearing loss related to arachnoid inflammations due to chronic arachnoiditis after suboccipital craniectomy. The recovery of sensorineural hearing loss and tinnitus after release of arachnoid adhesions may indicate the clinical significance of these adhesions or arachnoiditis, which should also be considered and investigated in the etiology of other neurotological diseases...
August 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28803898/electrospun-fibrous-membranes-featuring-sustained-release-of-ibuprofen-reduce-adhesion-and-improve-neurological-function-following-lumbar-laminectomy
#6
Shen Liu, Guoqing Pan, Guangwang Liu, José das Neves, Sa Song, Shuai Chen, Bangjun Cheng, Zhiyong Sun, Bruno Sarmento, Wenguo Cui, Cunyi Fan
Electrospun fibrous membranes provide suitable physical anti-adhesion barriers for reducing tissue anti-adhesion following surgery. However, often during the biodegradation process, these barriers trigger inflammation and cause a foreign body reaction with subsequent decrease in anti-adhesion efficacy. Here, a facile strategy comprising the incorporation of ibuprofen (IBU) into implantable membranes and its sustained release was proposed in order to improve anti-adhesion effects and neurological outcomes, namely to prevent failed back surgery syndrome (FBSS)...
October 28, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28782690/biocompatible-amniotic-sac-implant-maintains-a-scar-free-brain-surface-during-recurrent-glioma-surgery
#7
Hassan Saad, Khaled M Krisht, Wei-Hsun Yang, Miguel Angel Lopez-Gonzalez, Emad Aboud, Ali F Krisht
BACKGROUND: Dissection of brain surface adhesions during recurrent glioma surgery carries a risk of injury to cortical vessels and important surface vessels. We present our experience with the use of BioD film, a biocompatible amniotic membrane implant, to help prevent postoperative adhesions. We describe a novel method for preventing postoperative adhesions after high-grade glioma surgery using BioD film. METHODS: Amniotic sac implants were laid on the brain surface after resection of gliomas located near major surface arteries (sylvian fissure) and major veins (parasagittal convexity)...
November 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28719455/microscope-and-fiberscope-assisted-subarachnoid-subarachnoid-s-s-bypass-a-novel-surgical-technique-to-reestablish-cerebrospinal-fluid-flow-in-treating-dorsal-spinal-arachnoid-webs-diagnosed-by-cine-mri
#8
Yasushi Fujiwara, Hideki Manabe, Bunichiro Izumi, Takayuki Shima, Nobuo Adachi
A "dorsal spinal arachnoid web" is the thickened arachnoid band on the surface of the spinal cord which disturbs the cerebrospinal fluid (CSF) flow, known as a rare cause of thoracic myelopathy. The ideal treatment is controversial because of the risk of readhesion after simple resection of the web. A subarachnoid-subarachnoid bypass is a method to reestablish CSF flow through a silicon tube between the cranial and caudal subarachnoid space. This method is reported to be useful for traumatic syringomyelia, adhesive arachnoiditis, etc...
July 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28680733/unilateral-isolated-hypoglossal-nerve-palsy-due-to-pathologically-adherent-pica-fusiform-aneurysm-a-case-report
#9
Mike E Ekuma, Tetsuya Goto, Yoshiki Hanaoka, Kohei Kanaya, Tetsuyoshi Horiuchi, Kazuhiro Hongo, Samuel C Ohaegbulam
BACKGROUND: Isolated hypoglossal nerve palsy due to mechanical compression by a vascular lesion is rare. CASE DESCRIPTION: We report the case of a 72-year-old man who presented with a 4-year history of swallowing disturbance and subsequently progressively worsening left-sided tongue atrophy. He was referred to our department by a neurologist due a magnetic resonance imaging detected left vertebral artery compression of the medulla. Neurological examination was unremarkable except for left hypoglossal nerve dysfunction, which presented as left-sided atrophy and impaired movement of the tongue...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28665387/-treatment-of-syringomyelia-associated-with-adhesive-arachnoiditis
#10
A A Zuev, V B Lebedev, N V Pedyash, D S Epifanov, R S Levin
The prevalence of syringomyelia (SM) caused by adhesive arachnoiditis (AA) is 2 to 4 cases per 100000 population. Surgical treatment of this pathology usually includes implantation of shunts into the cyst cavity or opening and drainage of the cavity. In this case, SM continues to progress in 72-100% of patients. Unsatisfactory outcomes of this surgical approach necessitate searching for other treatment options. PURPOSE: To define the optimal amount of surgery for SM associated with AA and the criteria for assessment of surgery outcomes...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28639826/imaging-appearance-of-advanced-chronic-adhesive-arachnoiditis-a-retrospective-review
#11
Tara L Anderson, Jonathan M Morris, John T Wald, Amy L Kotsenas
OBJECTIVE: Chronic adhesive arachnoiditis (CAA) is rare and has potentially devastating clinical consequences. The objective of this article is to review the clinical features of CAA and describe its appearance on imaging, to increase radiologists' awareness of this challenging diagnosis. MATERIALS AND METHODS: Twenty-nine cases of advanced CAA seen at our institution over 18 years (1995-2013) were retrospectively reviewed. Chart review was performed, with attention given to data on clinical presentation, suspected cause, and interventions performed...
September 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28624897/corrosion-of-harrington-rod-in-idiopathic-scoliosis-long-term-effects
#12
Beth Sherman, Tanya Crowell
PURPOSE: Metal implants have been used to treat adolescent idiopathic scoliosis since the 1960s. Only recently, however, it has the issue of metal-bone breakdown secondary to metal corrosion in situ come to light, raising concerns of possible long-term complications from the resulting metallosis and inflammation of spinal tissues. We present a case of a patient with neurological deficit, pain, and disability with Harrington rod in place for over 30 years, to bring attention to the issue of bio-corrosion of metal implants and its effect on human tissue...
June 17, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28512616/surgical-management-of-syringomyelia-associated-with-spinal-adhesive-arachnoiditis-a-late-complication-of-tuberculous-meningitis-a-case-report
#13
Jun Seok Lee, Geun Sung Song, Dong Wuk Son
Syringomyelia associated with tuberculous meningitis is an extremely rare condition. Only a few studies have reported clinical experience with syringomyelia as a late complication of tuberculous meningitis. Twenty-six years after a tuberculous meningitis episode, a 44-year-old man presented with progressively worsening spastic paresis of the lower limbs and impaired urinary function for 2 years. Radiological examination revealed syringomyelia extending from the level of C2 to T9 and arachnoiditis with atrophy of the spinal cord between C2 and T3...
April 2017: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/28468211/symptomatic-trigeminal-neuralgia-caused-by-cerebellopontine-angle-tumors
#14
Pengfei Liu, Chenlong Liao, Wenxiang Zhong, Min Yang, Shiting Li, Wenchuan Zhang
To investigate the characteristics of symptomatic trigeminal neuralgia (TN) caused by tumors and the relationship between anatomicosurgical findings and tumor type, the authors undertook a retrospective review of 35 patients with symptomatic TN between 2006 and 2015. The tumors included 16 meningiomas, 14 epidermoids, 4 vestibular schwannomas, and 1 hemangioblastoma. The studies show that patients with tumor-induced TN were significantly younger than those idiopathic TN (P <0.05). Meningioma-induced TN tended to have responsible vessels, while epidermoid tumor seemed to cause TN by wrapping or compressing the nerve...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28428929/treatment-of-posttubercular-syringomyelia-not-responsive-to-antitubercular-therapy-case-report-and-review-of-literature
#15
Giuseppe Canova, Alessandro Boaro, Enrico Giordan, Pierluigi Longatti
Posttubercular adhesive arachnoiditis is a rare, late complication of tubercular meningitis. Syringomyelia can develop as a consequence of intramedullary cystic lesions and cerebrospinal fluid (CSF) flow disturbance around the spinal cord, even after successful chemotherapy. We reviewed the literature related to posttubercular syringomyelia treatment and suggest a new combined surgical approach. A 25-year-old Nigerian male patient presented with legs numbness, urinary disturbance, and legs weakness. Spinal magnetic resonance revealed a T5-T7 syringomyelia, secondary to adhesive spinal arachnoiditis related to a history of tuberculous meningitis...
April 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28146294/shunt-tube-placement-for-amelioration-of-cerebrospinal-fluid-flow-obstruction-caused-by-spinal-cord-subarachnoid-fibrosis-in-dogs
#16
Ilyssa L Meren, Jessica A Chavera, Cody J Alcott, Andrew K Barker, Nick D Jeffery
OBJECTIVE: To describe a novel technique for ameliorating cerebrospinal fluid flow obstruction secondary to pia-arachnoid fibrosis in dogs and report outcome. STUDY DESIGN: Descriptive report and retrospective case series. ANIMALS: Dogs with cerebrospinal fluid (CSF) flow obstruction (n = 7). METHODS: Medical records were searched for dogs that had a subarachnoid-subarachnoid shunt placed for treatment of CSF flow obstruction...
February 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28134648/symptomatic-trigeminal-neuralgia-caused-by-cerebellopontine-angle-tumors
#17
Pengfei Liu, Chenlong Liao, Wenxiang Zhong, Min Yang, Shiting Li, Wenchuan Zhang
To investigate the characteristics of symptomatic trigeminal neuralgia (TN) caused by tumors and the relationship between anatomicosurgical findings and tumor type, the authors undertook a retrospective review of 35 patients with symptomatic TN between 2006 and 2015. The tumors included 16 meningiomas, 14 epidermoids, 4 vestibular schwannomas, and 1 hemangioblastoma. The studies show that patients with tumor-induced TN were significantly younger than those idiopathic TN (P <0.05). Meningioma-induced TN tended to have responsible vessels, while epidermoid tumor seemed to cause TN by wrapping or compressing the nerve...
January 27, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28115269/stretching-of-roots-contributes-to-the-pathophysiology-of-radiculopathies
#18
Jean-Marie Berthelot, Jean-Denis Laredo, Christelle Darrieutort-Laffite, Yves Maugars
PURPOSE: To perform a synthesis of articles addressing the role of stretching on roots in the pathophysiology of radiculopathy. METHODS: Review of relevant articles on this topic available in the PubMed database. RESULTS: An intraoperative microscopy study of patients with sciatica showed that in all patients the hernia was adherent to the dura mater of nerve roots. During the SLR (Lasègue's) test, the limitation of nerve root movement occurs by periradicular adhesive tissue, and temporary ischemic changes in the nerve root induced by the root stretching cause transient conduction disturbances...
January 20, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28064327/application-of-neuroendoscopy-in-the-surgical-treatment-of-complicated-hemifacial-spasm
#19
Ming Zhi, Xiao J Lu, Qing Wang, Bing Li
OBJECTIVE: To explore the value of neuroendoscopy in surgery for primary hemifacial spasm (HFS) in patients with complicated local anatomy. METHODS: Endoscopic-assisted microvascular decompression (MVD) was performed in 42 patients with HFS with complicated local anatomy from Janurary 2008 to Janurary 2012 in our department, in the event of a significant blind spot, endoscopic exploration was performed with multi-angle 360-degree observation, including exploration of the brainstem facial nerve root exit zone (REZ) and exploration of the distal end of the nerve, and the relationships between blood vessels and nerves were carefully determined...
January 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/28003733/mmp19-expression-in-the-human-optic-nerve
#20
Kathleen R Chirco, Ralph J Hazlewood, Kathy Miller, Grefachew Workalemahu, Lee M Jampol, G Robert Lesser, Robert F Mullins, Markus H Kuehn, John H Fingert
PURPOSE: The defining feature of glaucoma is excavation of the optic nerve head; however, the mechanism of this loss of tissue is not well understood. We recently discovered a copy number variation upstream of matrix metalloproteinase 19 (MMP19) in a large, autosomal dominant pedigree with a congenital malformation of the optic disc called cavitary optic disc anomaly (CODA). Patients with CODA have abnormal optic discs that exhibit an excavated shape similar to cupping seen in glaucoma...
2016: Molecular Vision
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