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Arachnoiditis

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https://www.readbyqxmd.com/read/28643523/management-of-quadrigeminal-arachnoid-cyst-associated-with-obstructive-hydrocephalus-report-on-stereotactic-ventricular-cystic-stenting
#1
Yosef Laviv, Sergio Neto, Ekkehard M Kasper
Quadrigeminal arachnoid cysts (QAC) are usually accompanied by a symptomatic obstructive hydrocephalus. Several endoscopic and surgical treatments exist; however, the critical location of these cysts further complicates treatment and usually more than one procedure is required. In this report, a 31 year old female with QAC and associated obstructive hydrocephalus was successfully treated with stereotactic placement of a permanent ventricular - cystic stent (intraventricualr - cystic catheterization) in single - session...
June 23, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28643039/primary-intraventricular-meningiomas-in-children-experience-of-two-cases-with-review-of-literature
#2
Kapil D Muley, Salman T Shaikh, Chandrashekhar E Deopujari, Uday B Andar
Meningiomas are rare in the pediatric age group, more so in the intraventricular location. They arise in the lateral ventricles from the arachnoid cells contained within the choroid plexus, in the third ventricle from the velum interpositum and in the fourth ventricle from the choroids. These tumors are usually large and have an aggressive behaviour. Surgical management of intra-ventricular meningiomas is challenging because of their deep location, large size at presentation and increased vascularity. The authors report two such cases who presented with symptoms of raised intra cranial pressure and on evaluation were found to have associated hydrocephalus...
June 22, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28639826/imaging-appearance-of-advanced-chronic-adhesive-arachnoiditis-a-retrospective-review
#3
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...
June 22, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28624897/corrosion-of-harrington-rod-in-idiopathic-scoliosis-long-term-effects
#4
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/28617059/delayed-ischaemia-due-to-vasospasm-after-fenestration-of-a-large-arachnoid-cyst
#5
Jochem K H Spoor, Hugo P Aben, Bachtiar Burhani, Geert-Jan Rutten
An 18-year-old patient developed multiple infarcts, nine days after endoscopic fenestration of a large arachnoid cyst. We consider vasospasm to be the most likely cause, presumably triggered by a chemical meningitis. Although mostly seen after subarachnoid haemorrhage, vasospasm can also occur after traumatic brain injury, brain surgery or meningitis.
June 15, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28606578/a-case-of-ecchordosis-physaliphora-in-the-prepontine-cistern-a-rare-entity-in-the-differential-diagnosis-of-an-epidermoid-cyst
#6
Kenji Miki, Koji Yoshimoto, Ataru Nishimura, Satoshi O Suzuki, Akio Hiwatashi, Koji Iihara
BACKGROUND: Ecchordosis physaliphora (EP) is a benign notochordal remnant, which is usually asymptomatic. Herein, we report a case of symptomatic large EP mimicking an epidermoid cyst. CASE DESCRIPTION: A 44-year-old female presented with right facial dysesthesia. Brain magnetic resonance imaging (MRI) showed a mass with a diameter of 3.2 cm that was hypointense on T1-weighted images (T1WI), hyperintense on T2-weighted images (T2WI), iso-to-hyperintense on diffusion-weighted (DW) images, and hyperintense on apparent diffusion coefficient (ADC) map (1...
June 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28605794/subdural-extra-arachnoid-flow-pattern-visualized-in-a-contralateral-oblique-view-during-a-cervical-interlaminar-epidural-steroid-injection
#7
David Levi
No abstract text is available yet for this article.
June 1, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28605134/impact-of-direct-epispinal-stimulation-on-bladder-and-bowel-functions-in-pigs-a-feasibility-study
#8
Thomas Guiho, Claire Delleci, Christine Azevedo-Coste, Charles Fattal, David Guiraud, Jean-Rodolphe Vignes, Luc Bauchet
AIMS: This study assesses the potential of epispinal (subdural) stimulation application in the treatment of urinary and bowel neurological disorders. Acute experiments were performed on a large animal model - the domestic pig - to develop a new methodology facilitating future results and technology transfers to human. METHODS: After rectal and bladder catheterization, four Landrace pigs (45-50 kg) underwent spinal cord surgery - that is, lumbosacral incision, laminectomy [L4-S4], dural opening and microsurgical arachnoid dissection...
June 12, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28591531/large-arachnoid-cyst
#9
Jennifer de Longpre
A 27-year-old man presented to the emergency department after a first seizure. He reported that during the previous 3 years, he had had frequent headaches and falls. Magnetic resonance imaging of the brain revealed an arachnoid cyst, measuring 12.3 cm by 16.5 cm by 7.9 cm, with mass effect on the..
June 8, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28587427/mri-features-of-growth-hormone-deficiency-in-children-with-short-stature-caused-by-pituitary-lesions
#10
Chao Xu, Xinxian Zhang, Lina Dong, Bin Zhu, Tao Xin
We verified the advantages of using magnetic resonance imaging (MRI) for improving the diagnostic quality of growth hormone deficiency (GHD) in children with short stature caused by pituitary lesions. Clinical data obtained from 577 GHD patients with short stature caused by pituitary lesions were retrospectively analyzed. There were 354 cases (61.3%) with anterior pituitary dysplasia; 45 cases (7.8%) of pituitary stalk interruption syndrome (PSIS); 15 cases (2.6%) of pituitary hyperplasia due to primary hypothyroidism; 38 cases (6...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28586935/endoscopic-management-of-arnold-chiari-malformation-type-i-with-or-without-syringomyelia
#11
Shailendra Ratre, Nishtha Yadav, Yad Ram Yadav, Vijay Singh Parihar, Jitin Bajaj, Yatin Kher
Introduction Several different surgical techniques have been used in the treatment of patients with symptomatic Arnold-Chiari malformation type 1 (ACM-1) with or without syrinx. Endoscope-assisted decompression of the posterior fossa has been found to be safe and effective. We report our initial experience of endoscopic management of ACM-I. Material and Methods This was a prospective study of 15 symptomatic patients. Pre- and postoperative clinical status and computed tomography and magnetic resonance imaging findings were recorded...
June 6, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28584917/morphometry-and-microsurgical-anatomy-of-bochdalek-s-flower-basket-and-the-related-structures-of-the-cerebellopontine-angle
#12
Laszlo Barany, Gabor Baksa, Lajos Patonay, Oliver Ganslandt, Michael Buchfelder, Peter Kurucz
BACKGROUND: Bochdalek's flower basket (Bfb) is the distal part of the horizontal segment of the fourth ventricle's choroid plexus protruding through the lateral aperture (foramen of Luschka). The microsurgical anatomy of the cerebellopontine angle, fourth ventricle and its inner choroid plexus is well described in the literature, but only one radiological study has investigated the Bfb so far. The goal of the present study was to give an extensive morphometric analysis of the Bfb for the first time and discuss the surgically relevant anatomical aspects...
June 6, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28583494/spontaneous-csf-rhinorrhea-from-the-trigeminal-canal-in-an-adolescent
#13
Jonathan C Simmonds, Andrew R Scott
We report a case of a seventeen-year old, healthy, non-obese young woman who presented with retro-orbital headaches and metallictasting, left-sided rhinorrhea. Computed tomography revealed a defect along the medial wall of the canal of V2 within a well-pneumatized lateral recess of the left sphenoid sinus. Prior imaging obtained 4 years earlier in the context of nasal trauma showed no such defect - thus lending support for the arachnoid granulation hypothesis of spontaneous CSF leaks from the sphenoid sinus...
July 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28578526/the-rising-root-sign-the-magnetic-resonance-appearances-of-post-operative-spinal-subdural-extra-arachnoid-collections
#14
A Bharath, O Uhiara, Rajesh Botchu, A M Davies, S L James
We present a case series of symptomatic post-operative spinal subdural extra-arachnoid collections that displace the cauda equina roots anteriorly. This is described as the "rising root sign".
June 3, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28578118/clinical-and-radiologic-outcomes-following-fenestration-and-partial-wall-excision-of-idiopathic-intradural-spinal-arachnoid-cysts-presenting-with-myelopathy
#15
Vibhu Viswanathan, Sakthivel R Manoharan, Hyunwoo Do, Amy Minnema, Sophia M Shaddy, J Brad Elder, H Francis Farhadi
BACKGROUND: Intradural spinal arachnoid cysts (ISACs) with associated neurologic deficits are infrequently encountered. Various management strategies have been proposed with minimal data on comparative outcomes. OBJECTIVE: We describe the clinical and radiologic presentation as well as the outcomes of 14 surgically managed patients who presented with an ISAC and associated myelopathy. METHODS: We retrospectively reviewed the clinical course of consecutive patients presenting with neurologic deficits associated with idiopathic ISACs at our institution...
May 31, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28576520/clinical-characterization-of-novel-chromosome-22q13-microdeletions
#16
Jennifer F Ha, Ayesha Ahmad, Marci M Lesperance
INTRODUCTION: The advent of chromosome microarray analysis (CMA) for evaluation of patients with multiple congenital anomalies has made it possible to define chromosomal imbalances with greater precision and resolutions significantly smaller than possible by standard G-banded chromosome analysis. We describe two patients with novel chromosomal anomalies involving chromosome 22q13, a locus also associated with Phelan-McDermid syndrome (PMS). OBJECTIVE: We aim to characterize the novel phenotypic and genotypic findings of two patients with 22q13 microdeletions, distinct from PMS, comparing and contrasting with features of PMS...
April 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28574330/role-of-intraoperative-dynamic-magnetic-resonance-myelogram-in-management-of-giant-dorsolumbar-spinal-extradural-arachnoid-cyst-case-report
#17
Rakesh Kumar Mishra, Nupur Pruthi, Rose Dawn Bharath, Bhaskara Rao Malla
Giant dorsolumbar spinal arachnoid cysts are a complex, poorly understood, and difficult to manage clinical entity. Traditional CT myelography is technically difficult to use in these cases to detect the site of leakage preoperatively. The authors report a novel technique for detecting the site of the leak by using sequential, dynamic intraoperative MR myelography. To the authors' knowledge, there is no other similar report in the literature.
June 2, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28562508/biallelic-pms2-mutation-and-heterozygous-dicer1-mutation-presenting-as-constitutional-mismatch-repair-deficiency-with-corpus-callosum-agenesis-case-report-and-review-of-literature
#18
Cletus Cheyuo, Walid Radwan, Janice Ahn, Kymberly Gyure, Rabia Qaiser, Patrick Tomboc
Constitutional mismatch repair deficiency syndrome is a cancer predisposition syndrome caused by autosomal recessive biallelic (homozygous) germline mutations in the mismatch repair genes (MLH1, MSH2, MSH6, and PMS2). The clinical spectrum includes neoplastic and non-neoplastic manifestations. We present the case of a 7-year-old boy who presented with T-lymphoblastic lymphoma and glioblastoma, together with non-neoplastic manifestations including corpus callosum agenesis, arachnoid cyst, developmental venous anomaly, and hydrocephalus...
May 29, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28553398/partial-encephalocraniocutaneous-lipomatosis-syndrome
#19
S Velusamy, S Sindhu Bharathi, B Krishnakumar
Encephalocranial lipomatosis is a rare disorder that characteristically involves ectomesodermal tissues such as skin, eye, and the central nervous system. Here, we report a 3-year-old girl presented with developmental delay, seizures, limbal dermoid, and weakness of right lower limb. Imaging revealed hemiatrophy, arachnoid cyst, and polymicrogyria. The constellation of clinical finding and imaging leads to the diagnosis.
January 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28553381/unusual-presentation-of-intrasacral-meningocele-a-case-report-and-overview
#20
Molla Imaduddin Ahmed, Arani Sridhar
Intrasacral meningocele is an unusual congenital lesion. It is an intrathecal cystic formation arising as a protrusion of the arachnoid through a congenitally weak place in the dura mater. We report a case of a 12-year-old child with chronic pain with an intrasacral meningocele identified on magnetic resonance imaging.
January 2017: Journal of Pediatric Neurosciences
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