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Arachnoiditis

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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
#1
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
#2
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)...
August 10, 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
#3
Ali F Krisht
BACKGROUND: Dissection of brain surface adhesions during recurrent glioma surgery risks cortical and important surface vessel injury. We present our experience with the use of BioD, a biocompatible amniotic membrane implant, to help prevent post-operative adhesions. OBJECTIVE: To describe a novel method for preventing post-operative adhesions after high-grade glioma surgery using BioD film METHODS: Amniotic sac implants were laid on the brain surface after resection of gliomas located in the vicinity of major surface arteries (sylvian fissure) and major veins (parasagittal convexity)...
August 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28774763/anatomic-dissection-of-arachnoid-membranes-encircling-the-pituitary-stalk-on-fresh-non-formalin-fixed-specimens-anatomo-radiologic-correlations-and-clinical-applications-in-craniopharyngioma-surgery
#4
P Ciappetta, L Pescatori
BACKGROUND: The anatomy of the arachnoid membranes and cisternal spaces around the pituitary stalk has not been yet exhaustively described and understood. In this study we performed a detailed anatomic study on fresh non formalin fixed cadavers of the arachnoid membranes encircling the pituitary stalk and correlate our anatomic findings with MRI. METHODS: Ten fresh, non formalin-fixed non silicon-injected adult cadaveric heads were analyzed in this study. The membrane and cisterns that have been studied for our study are: - The diaphragma sellae and its dural components; - The basal arachnoid membrane; - The Lilequist's membrane with its diencephalic and mesencephalic portion; - The medial carotid membrane; - The chiasmatic cistern; - The pituitary stalk...
July 31, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28767031/microsurgical-vascular-manipulation-in-aneurysm-surgery-and-delayed-ischemic-injury
#5
Muhammad Omar Chohan, Andrew P Carlson, Cristina Murray-Krezan, Christopher L Taylor, Howard Yonas
BACKGROUND: The role of aggressive surgical manipulation with clot evacuation, arachnoid dissection, and papaverine-guided adventitial dissection of large vessels during ruptured aneurysm surgery in reducing vasospasm is controversial. Here we describe a single-institution experience in aneurysm surgery outcomes with and without aggressive surgery. METHODS: We performed retrospective analysis of all patients >18 years of age with subarachnoid hemorrhage (SAH) from anterior circulation aneurysms between 2008 and 2013 at the University of New Mexico Hospital...
July 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28765065/reconstructive-outcome-of-intraoperative-cerebrospinal-fluid-leak-after-endoscopic-endonasal-surgery-for-tumors-involving-skull-base
#6
Chi-Man Jeon, Sang Duk Hong, Ho Jun Seol, Jung-Il Lee, Do-Hyun Nam, Yoon Jung Hwang, Doo-Sik Kong
Endoscopic transnasal surgery for tumors located at the base of the skull has a high incidence of postoperative cerebrospinal fluid (CSF) leaks. Here, we assessed the repair outcomes for high-flow CSF leaks based upon the tumor location, and analyzed the reasons for repair failure after transnasal endoscopic surgery solely for tumors involving the base of the skull. From Feb. 2009 to Dec. 2014 we performed endoscopic endonasal surgery for a variety of skull base lesions in 788 patients at our institution. Among them, 95 patients with intradural skull base tumors underwent endoscopic transnasal surgery...
July 29, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28762109/dual-lumbar-bronchogenic-and-arachnoid-cyst-presenting-with-sciatica-and-left-foot-drop
#7
Nicholas Candy, Adam Young, Abel Devadass, Andrew Dean, Jason McMillen, Rikin Trivedi
INTRODUCTION: Spinal bronchogenic cysts are rare findings, with only four cases of lumbar bronchogenic cysts reported in the literature. All of these bronchogenic cysts involved the conus medullaris. We present the first case of a lumbar bronchogenic cyst and arachnoid cyst arising from the cauda equina in a 68-year-old male. Uniquely, this bronchogenic cyst also contained components of an arachnoid cyst. METHODS: Magnetic resonance imaging (MRI) demonstrated a compressive cystic lesion at the level of the L3 vertebra splaying the cauda equina...
July 31, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28762108/trigeminal-neuropathy-associated-with-an-enlarging-arachnoid-cyst-in-meckel-s-cave-case-report-management-strategy-and-review-of-the-literature
#8
Mark G Bigder, Adel Helmi, Anthony M Kaufmann
We describe a rare case and novel management strategy of painful trigeminal neuropathy caused by an arachnoid cyst confined to Meckel's cave. A 57-year-old female presented with several years of progressive trigeminal pain and signs of trigeminal deafferentation, including sensory loss, corneal anesthesia and mastication muscle atrophy. Medical treatment with carbamazepine provided partial and temporary pain control. Surgical treatment was eventually performed by aspiration of the arachnoid cyst through the foramen ovale using a percutaneous approach...
July 31, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28762040/case-update-on-cranial-osteopetrosis-which-is-the-role-of-the-neurosurgeon
#9
Irene Stella, Matthieu Vinchon, Pierre Guerreschi, Eva De Berranger, Ikram Bouacha
PURPOSE: Osteopetrosis (OP) is a rare skeletal disease, which can affect the skull base and calvaria. A multidisciplinary approach is mandatory and patient may need neurosurgical care. Few observations have been published, and optimal management of OP is not established yet. METHOD: We report a case of an infant with OP diagnosed at 5 months, who presented signs of intracranial hypertension associated with unilateral blindness. Bone marrow allograft was performed at 6 months of age...
July 31, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28761511/genetic-associations-of-intracranial-aneurysm-formation-and-sub-arachnoid-hemorrhage
#10
REVIEW
Christian B Theodotou, Brian M Snelling, Samir Sur, Diogo C Haussen, Eric C Peterson, Mohamed Samy Elhammady
Risk factors for cerebral aneurysms typically include age, hypertension, smoking, and alcohol usage. However, the possible connection of aneurysms with genetic conditions such as Marfan's syndrome, polycystic kidney disease, and neurofibromatosis raises the question of possible genetic risk factors for aneurysm, and additionally, genetic risk factors for rupture. We conducted a literature review using the PubMed database for studies regarding genetic correlation with cerebral aneurysm formation as well as rupture from December 2008 to Jun 2015...
July 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28758373/fetal-cerebral-ventricular-dilatation-etiopathogenic-study-of-130-observations
#11
Sihem Darouich, Lucile Boutaud, Bettina Bessières, Maryse Bonnière, Jelena Martinovic, Charlotte Mechler, Caroline Alby, Jean-Pierre Bernard, Philippe Roth, Yves Ville, Valerie Malan, Michel Vekemans, Tania Attié-Bitach, Férechté Encha-Razavi
BACKGROUND: Fetal cerebral ventricular dilatation (CVD) is a common abnormal prenatal finding that often predicts a poor prognosis. The etiology involves both genetic and nongenetic factors with diverse pathogenic mechanisms. We describe the neuropathological features of CVD in a large cohort of fetuses. The goals are to determine the physiopathological mechanisms and etiologies. METHODS: We retrospectively analyzed a series of 130 fetuses examined at the Necker University Hospital following termination of pregnancy between January 2000 and December 2014...
July 31, 2017: Birth defects research
https://www.readbyqxmd.com/read/28757777/delusions-of-control-in-a-case-of-schizophrenia-coexisting-with-a-large-cerebellar-arachnoid-cyst
#12
Ying-Ying Wu, Yu-Chih Shen
Arachnoid cyst is a benign, congenital space-occupying brain lesion, which has been found in patients with schizophrenia. The association between arachnoid cyst and schizophrenia remains controversial, but the location of the arachnoid cyst may give rise to a specific symptom presentation in schizophrenia. We present a 31-year-old woman with an established diagnosis of schizophrenia coexisting with a large cerebellar arachnoid cyst who presented mainly with delusions of control. This cerebellar arachnoid cyst and schizophrenia may have been found together coincidentally or brain dysfunction due to this cerebellar arachnoid cyst may have caused or contributed to the appearance of psychotic symptoms...
April 2017: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/28754642/symptomatic-thoracic-nerve-root-herniation-into-an-extradural-arachnoid-cyst-case-report-and-review-of-the-literature
#13
Nagesh C Shanbhag, Ruurd F Duyff, Rob J M Groen
BACKGROUND: Spinal extradural arachnoid cysts (SEAC) are relatively rare and usually asymptomatic. They preferentially are situated in the thoracic extradural space, and almost always dorsal. SEACs may present with back pain and/or cord compression symptoms. Needle aspiration, needle fenestration or open surgical resection/fenestration have been reported as treatment modalities. CASE DESCRIPTION: We present a 35-year-old woman who complained of radiating pain from the right lower thoracic region of her back towards the right inguinal region which was aggravated upon defecation and straining...
July 25, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28744688/intracranial-extradural-arachnoid-cyst-in-a-child
#14
Luyuan Li, Muhammad Ali, Arnold H Menezes, Brian J Dlouhy
INTRODUCTION: Arachnoid cysts are benign developmental anomalies of arachnoid membrane origin that can occur anywhere along the neuro-axis. They are believed to develop from the splitting or duplication of the arachnoid membrane by CSF that is trapped by a ball-valve mechanism. Intracranial arachnoid cysts have only been described as intradural lesions while spinal arachnoid cysts can be both intradural or extradural. CASE REPORT: After an extensive literature review, we report the first case of an intracranial, extradural arachnoid cyst in a 5-yearold girl...
July 25, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28740842/reconstruction-of-the-skull-inverting-the-deformed-surface-of-the-bone-after-exeresis-of-a-frontal-arachnoid-cyst
#15
Jorge Felix Companioni Rosildo, Rita de Cassia de Santa Barbara
Intracranial arachnoid cysts need to be operated on when they are causing symptoms and aesthetic problems. The aim of this case report was to describe a new method of reconstructing the skull by eliminating a left frontal bone deformity by turning the inside out and the outside inward, which provided good aesthetics and protected the region of surgical interest after the removal of an arachnoid cyst of the left frontal lobe.
April 2017: Autopsy & case reports
https://www.readbyqxmd.com/read/28740565/whole-body-low-dose-computed-tomography-wbldct-in-assessment-of-patients-with-multiple-myeloma-pilot-study-and-standard-imaging-protocol-suggestion
#16
Robert Chrzan, Artur Jurczyszyn, Andrzej Urbanik
BACKGROUND: For decades, the main imaging tool in multiple myeloma (MM) patients was plain radiography. However, computed tomography (CT) has been included in the updated criteria of MM. The main disadvantage of CT is a considerably high radiation dose. Therefore, low-dose CT protocols could be a solution. The aim of the study was to (1) preliminarily analyse the usefulness of Whole-Body Low-Dose CT (WBLDCT) in the evaluation of patients with MM and (2) to make adjustments in the standard CT imaging protocol...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28736504/pleomorphism-and-drug-resistant-cancer-stem-cells-are-characteristic-of-aggressive-primary-meningioma-cell-lines
#17
Ishaq Khan, Saleh Baeesa, Mohammed Bangash, Hans-Juergen Schulten, Fahad Alghamdi, Hanadi Qashqari, Nawal Madkhali, Angel Carracedo, Mohamad Saka, Awatif Jamal, Jaudah Al-Maghrabi, Mohammed AlQahtani, Saleh Al-Karim, Ghazi Damanhouri, Kulvinder Saini, Adeel Chaudhary, Adel Abuzenadah, Deema Hussein
BACKGROUND: Meningioma tumors arise in arachnoid membranes, and are the most reported central nervous system (CNS) tumors worldwide. Up to 20% of grade I meningioma tumors reoccur and currently predictive cancer stem cells (CSCs) markers for aggressive and drug resistant meningiomas are scarce. METHODS: Meningioma tissues and primary cell lines were investigated using whole transcriptome microarray analysis, immunofluorescence staining of CSCs markers (including CD133, Sox2, Nestin, and Frizzled 9), and drug treatment with cisplatin or etoposide...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28736348/pathologic-progression-possible-origin-and-management-of-multiple-primary-intracranial-neuroendocrine-carcinomas
#18
Jingwei Cao, Wenzhe Xu, Zhenhui Du, Bin Sun, Feng Li, Yuguang Liu
BACKGROUND: Primary intracranial neuroendocrine carcinomas (NECs) are extremely rare malignant tumors with no previous reports of multiple ones in the literatures. CASE DESCRIPTION: The clinical presentation, preoperative and reexamined magnetic resonance imaging findings, as well as histopathologic studies of a 56-year-old female subject with multiple intracranial NECs mimicking multiple intracranial meningiomas, who underwent 3 operations with left parietal craniotomy, right occipital parietal craniotomy, and left frontal craniotomy, separately and chronologically, are presented in this article...
July 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28727702/subcutaneous-injection-of-triamcinolone-and-lidocaine-to-prevent-postherpetic-neuralgia
#19
Jiaxiang Ni, Xiaoping Wang, Yuanzhang Tang, Liqiang Yang, Yuanjie Zeng, Yuna Guo
BACKGROUND: Herpes zoster (HZ) is associated with inflammation of the peripheral nerves, which is considered to be an important cause of postherpetic neuralgia (PHN). Interventions aimed at reducing this inflammation could prevent PHN. One option is the epidural administration of corticosteroid and local anesthetic. However, several authors have reported a risk of arachnoiditis with epidural corticosteroids. Subcutaneous injection in an outpatient setting is a safer option. However, there is limited evidence of the effectiveness of this alternative for preventing PHN...
July 2017: Pain Physician
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
#20
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
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