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https://www.readbyqxmd.com/read/29142146/inflammatory-natalizumab-associated-pml-baseline-characteristics-lesion-evolution-and-relation-with-pml-iris
#1
Mike P Wattjes, Martijn T Wijburg, Jeroen van Eijk, Stephan Frequin, Bernard M J Uitdehaag, Frederik Barkhof, Clemens Warnke, Joep Killestein
BACKGROUND AND OBJECTIVE: Natalizumab-associated progressive multifocal leukoencephalopathy (NTZ-PML) patients may show imaging signs suggestive of inflammation at diagnosis ('inflammatory PML'), reminiscent of PML-immune reconstitution inflammatory syndrome (PML-IRIS). We investigated the imaging characteristics of inflammatory NTZ-PML lesions and PML-IRIS to determine differentiating and overlapping features. METHODS: We scored the presence, localisation and pattern of imaging characteristics of inflammation on brain MRI scans of inflammatory NTZ-PML patients...
November 15, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29074098/lorlatinib-in-non-small-cell-lung-cancer-with-alk-or-ros1-rearrangement-an-international-multicentre-open-label-single-arm-first-in-man-phase-1-trial
#2
Alice T Shaw, Enriqueta Felip, Todd M Bauer, Benjamin Besse, Alejandro Navarro, Sophie Postel-Vinay, Justin F Gainor, Melissa Johnson, Jorg Dietrich, Leonard P James, Jill S Clancy, Joseph Chen, Jean-François Martini, Antonello Abbattista, Benjamin J Solomon
BACKGROUND: Most patients with anaplastic lymphoma kinase (ALK)-rearranged or ROS proto-oncogene 1 (ROS1)-rearranged non-small-cell lung cancer (NSCLC) are sensitive to tyrosine kinase inhibitor (TKI) therapy, but resistance invariably develops, commonly within the CNS. This study aimed to analyse the safety, efficacy, and pharmacokinetic properties of lorlatinib, a novel, highly potent, selective, and brain-penetrant ALK and ROS1 TKI with preclinical activity against most known resistance mutations, in patients with advanced ALK-positive or ROS1-positive NSCLC...
October 23, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29054968/pivotal-neuroinflammatory-and-therapeutic-role-of-high-mobility-group-box-1-in-ischemic-stroke
#3
Seidu A Richard, Marian Sackey, Zhaoliang Su, Huaxi Xu
Stroke is a major cause of mortality and disability worldwide. Stroke is a frequent and severe neurovascular disorder. The main cause of stroke is atherosclerosis, and the most common risk factor for atherosclerosis is hypertension. Therefore, prevention and treatment of stroke are crucial issues in humans. High mobility group box 1 (HMGB1) is non-histone nuclear protein that is currently one of the crucial pro-inflammatory alarmin in ischemic stroke (IS). It is instantly released from necrotic cells in the ischemic core and activates an early inflammatory response...
October 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29031913/chronic-pain-and-pain-processing-in-parkinson-s-disease
#4
REVIEW
Pierre J Blanchet, Christine Brefel-Courbon
Pain is experienced by the vast majority of patients living with Parkinson's disease. It is most often of nociceptive origin, but may also be ascribed to neuropathic (radicular or central) or miscellaneous sources. The recently validated King's Parkinson's Disease Pain Scale is based on 7 domains including musculoskeletal pain, chronic body pain (central or visceral), fluctuation-related pain, nocturnal pain, oro-facial pain, pain with discolouration/oedema/swelling, and radicular pain. The basal ganglia integrate incoming nociceptive information and contribute to coordinated motor responses in pain avoidance and nocifensive behaviors...
October 12, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29026384/clinical-and-cranial-computed-tomography-scan-findings-in-adults-following-road-traffic-accidents-in-kampala-uganda
#5
Geoffrey Erem, Samuel Bugeza, Elsie Kiguli Malwadde
BACKGROUND: Globally, road traffic accidents are a major cause of death and disability. The developing countries bear a disproportionately large share of the RTAs which account for about 85% of the deaths. Most of these RTAs result in head injury, which globally, most scholars and medical practitioners consider a significant economic, social and medical problem. In Mulago National referral hospital, RTA is the leading cause of surgical admission. OBJECTIVE: To describe the cranial computed tomography (CT) scan findings in adults following RTA in Mulago hospital...
March 2017: African Health Sciences
https://www.readbyqxmd.com/read/28978572/primary-dural-diffuse-large-b-cell-lymphoma-mimicking-parafalcine-meningioma
#6
Surya Nandan Prasad, Hira Lal, Sushila Jaiswal, Kuntal Kanti Das
A 58-year-old immunocompetent woman presented with complaints of recent onset recurrent generalised tonic-clonic seizures and left hemiparesis. On MRI a dural-based heterogeneously enhancing mass was seen along the falx cerebri mimicking parafalcine meningioma, causing brain parenchymal compression and vasogenic oedema in the right frontal and parietal lobes. The tumour was completely excised and on subsequent investigation it was diagnosed as diffuse large B cell type primary dural lymphoma. Chemotherapy with CHOP (cyclophosphamide, hydroxyl doxorubicin, vincristine and prednisone) regimen was started; however, the patient later died from episodes of acute pulmonary thromboembolism, aspiration pneumonia and septic shock...
October 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28974734/knockout-of-the-epilepsy-gene-depdc5-in-mice-causes-severe-embryonic-dysmorphology-with-hyperactivity-of-mtorc1-signalling
#7
James Hughes, Ruby Dawson, Melinda Tea, Dale McAninch, Sandra Piltz, Dominique Jackson, Laura Stewart, Michael G Ricos, Leanne M Dibbens, Natasha L Harvey, Paul Thomas
DEPDC5 mutations have recently been shown to cause epilepsy in humans. Evidence from in vitro studies has implicated DEPDC5 as a negative regulator of mTORC1 during amino acid insufficiency as part of the GATOR1 complex. To investigate the role of DEPDC5 in vivo we generated a null mouse model using targeted CRISPR mutagenesis. Depdc5 homozygotes display severe phenotypic defects between 12.5-15.5 dpc, including hypotrophy, anaemia, oedema, and cranial dysmorphology as well as blood and lymphatic vascular defects...
October 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28956988/recognition-and-nursing-management-of-abusive-head-trauma-in-children
#8
Francesca Louise Payne, Daphin Nazareth Fernandez, Lucy Jenner, Siba Prosad Paul
Abusive head trauma (AHT) describes an injury to the head caused by a deliberate impact or shaking by a parent or carer. It can cause significant morbidity and mortality in infants, and is most commonly seen in those aged under 2 years. The initial presentation of AHT can include vague symptoms and the correct diagnosis may be missed by health professionals. Subdural haematoma, brain oedema and retinal haemorrhages are well-known features associated with AHT. However, other conditions such as birth trauma, accidental falls in infants and bleeding disorders can all mimic AHT, thus making its recognition difficult...
September 28, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28956123/the-value-of-subtraction-mri-in-detection-of-amyloid-related-imaging-abnormalities-with-oedema-or-effusion-in-alzheimer-s-patients-an-interobserver-study
#9
Roland M Martens, Arianne Bechten, Silvia Ingala, Ronald A van Schijndel, Vania B Machado, Marcus C de Jong, Esther Sanchez, Derk Purcell, Michael H Arrighi, Robert H Brashear, Mike P Wattjes, Frederik Barkhof
BACKGROUND: Immunotherapeutic treatments targeting amyloid-β plaques in Alzheimer's disease (AD) are associated with the presence of amyloid-related imaging abnormalities with oedema or effusion (ARIA-E), whose detection and classification is crucial to evaluate subjects enrolled in clinical trials. PURPOSE: To investigate the applicability of subtraction MRI in the ARIA-E detection using an established ARIA-E-rating scale. METHODS: We included 75 AD patients receiving bapineuzumab treatment, including 29 ARIA-E cases...
September 27, 2017: European Radiology
https://www.readbyqxmd.com/read/28953839/antidepressants-and-hyponatremia-in-a-patient-with-colectomy-a-case-report
#10
Madhavan Seshadri, Madhusudan Deepak Thalitaya, Tuno Simon, Catherine Odelola, Humphrey Enow
Antidepressants are routinely used by General Practitioners (GP) as well as Psychiatrists to treat Depression. They are tolerated well. However, in certain patient populations, they are associated with SIADH (Syndrome of Inappropriate Anti-Diuretic Hormone Secretion) and Hyponatremia. Various research studies have shown that all antidepressants are associated with Hyponatremia. Hyponatremia as a side effect of antidepressant therapy is more commonly seen in old age, chronic Kidney disease and Hypothyroidism...
September 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28900183/a-brain-derived-neurotrophic-factor-mimetic-is-sufficient-to-restore-cone-photoreceptor-visual-function-in-an-inherited-blindness-model
#11
Conor Daly, Lisa Shine, Theresa Heffernan, Sudhakar Deeti, Alison L Reynolds, John J O'Connor, Eugène T Dillon, David J Duffy, Walter Kolch, Gerard Cagney, Breandán N Kennedy
Controversially, histone deacetylase inhibitors (HDACi) are in clinical trial for the treatment of inherited retinal degeneration. Utilizing the zebrafish dye (ucd6) model, we determined if treatment with HDACi can rescue cone photoreceptor-mediated visual function. dye exhibit defective visual behaviour and retinal morphology including ciliary marginal zone (CMZ) cell death and decreased photoreceptor outer segment (OS) length, as well as gross morphological defects including hypopigmentation and pericardial oedema...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28893026/superior-vena-cava-as-gateway-to-heart-metastatic-breast-carcinoma-causing-ball-in-a-loop-metastasis-to-right-atrium
#12
Harpreet Singh Sandhu, Sampath Kumar Mahadevappa Mahendrakar, Sulaiman Sadruddin Ladhani, Azizullah Hafizullah Khan, Yunus Shafi Loya
Breast carcinoma is the most common invasive cancer in women worldwide. It metastasizes commonly to bone, lungs, regional lymph nodes and brain. Cardiac metastasis of lung and breast cancers is a known but rare complication of advanced disease with tumour metastasising to pericardium via the locoregional lymphatic system. Here we present a case of 59-year-old female presenting with right upper limb oedema, facial puffiness and features of Superior Vena Cava (SVC) syndrome 15 years after mastectomy and adjuvant chemotherapy, radiotherapy for carcinoma of the right breast...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28893008/spontaneous-intra-parenchymal-rupture-of-craniopharyngioma-a-rare-phenomenon
#13
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/28872345/intra-cerebral-cannabidiol-infusion-induced-neuroprotection-is-partly-associated-with-the-tnf-%C3%AE-tnfr1-nf-%C3%B0%C2%BAb-pathway-in-transient-focal-cerebral-ischaemia
#14
Sepideh Khaksar, Mohammad Reza Bigdeli
BACKGROUND: Stroke is a neurological disease, which, in addition to high mortality, imposes many financial and mental burdens on families and the society. The main objective of this study was to investigate the effect of cannabidiol (CBD) on one of the major inflammatory pathways in cerebral ischaemia. METHOD: Using stereotaxic surgery, the cannula was implanted into the right lateral ventricle of rats. CBD (50, 100, and 200 ng/rat; i.c.v.) was administrated for five consecutive days...
September 5, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28868910/-orbital-compartment-syndrome-the-most-frequent-cause-of-blindness-following-facial-trauma
#15
Gusztáv Klenk, József Katona, Gábor Kenderfi, János Lestyán, Katalin Gombos, Andor Hirschberg
INTRODUCTION: Although orbital compartment syndrome is a rare condition, it is still the most common cause of blindness following simple or complicated facial fractures. Its pathomechanism is similar to the compartment syndrome in the limb. Little extra fluid (blood, oedema, brain, foreign body) in a non-space yielding space results with increasingly higher pressures within a short period of time. Unless urgent surgical intervention is performed the blocked circulation of the central retinal artery will result irreversible ophthalmic nerve damage and blindness...
September 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28857714/calcium-channel-blockade-with-nimodipine-reverses-mri-evidence-of-cerebral-oedema-following-acute-hypoxia
#16
Matthew J Rowland, Martyn Ezra, Anderson Winkler, Payashi Garry, Catherine Lamb, Michael Kelly, Thomas W Okell, Jon Westbrook, Richard G Wise, Gwenaëlle Douaud, Kyle Ts Pattinson
Acute cerebral hypoxia causes rapid calcium shifts leading to neuronal damage and death. Calcium channel antagonists improve outcomes in some clinical conditions, but mechanisms remain unclear. In 18 healthy participants we: (i) quantified with multiparametric MRI the effect of hypoxia on the thalamus, a region particularly sensitive to hypoxia, and on the whole brain in general; (ii) investigated how calcium channel antagonism with the drug nimodipine affects the brain response to hypoxia. Hypoxia resulted in a significant decrease in apparent diffusion coefficient (ADC), a measure particularly sensitive to cell swelling, in a widespread network of regions across the brain, and the thalamus in particular...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28844499/rindopepimut-with-temozolomide-for-patients-with-newly-diagnosed-egfrviii-expressing-glioblastoma-act-iv-a-randomised-double-blind-international-phase-3-trial
#17
MULTICENTER STUDY
Michael Weller, Nicholas Butowski, David D Tran, Lawrence D Recht, Michael Lim, Hal Hirte, Lynn Ashby, Laszlo Mechtler, Samuel A Goldlust, Fabio Iwamoto, Jan Drappatz, Donald M O'Rourke, Mark Wong, Mark G Hamilton, Gaetano Finocchiaro, James Perry, Wolfgang Wick, Jennifer Green, Yi He, Christopher D Turner, Michael J Yellin, Tibor Keler, Thomas A Davis, Roger Stupp, John H Sampson
BACKGROUND: Rindopepimut (also known as CDX-110), a vaccine targeting the EGFR deletion mutation EGFRvIII, consists of an EGFRvIII-specific peptide conjugated to keyhole limpet haemocyanin. In the ACT IV study, we aimed to assess whether or not the addition of rindopepimut to standard chemotherapy is able to improve survival in patients with EGFRvIII-positive glioblastoma. METHODS: In this randomised, double-blind, phase 3 trial, we recruited patients aged 18 years and older with glioblastoma from 165 hospitals in 22 countries...
October 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28837671/development-of-acute-hydrocephalus-does-not-change-brain-tissue-mechanical-properties-in-adult-rats-but-in-juvenile-rats
#18
COMPARATIVE STUDY
Alice C Pong, Lauriane Jugé, Lynne E Bilston, Shaokoon Cheng
INTRODUCTION: Regional changes in brain stiffness were previously demonstrated in an experimental obstructive hydrocephalus juvenile rat model. The open cranial sutures in the juvenile rats have influenced brain compression and mechanical properties during hydrocephalus development and the extent by which closed cranial sutures in adult hydrocephalic rat models affect brain stiffness in-vivo remains unclear. The aims of this study were to determine changes in brain tissue mechanical properties and brain structure size during hydrocephalus development in adult rat with fixed cranial volume and how these changes were related to brain tissue deformation...
2017: PloS One
https://www.readbyqxmd.com/read/28821266/endogenous-hydrogen-sulphide-attenuates-nlrp3-inflammasome-mediated-neuroinflammation-by-suppressing-the-p2x7-receptor-after-intracerebral-haemorrhage-in-rats
#19
Hengli Zhao, Pengyu Pan, Yang Yang, Hongfei Ge, Weixiang Chen, Jie Qu, Jiantao Shi, Gaoyu Cui, Xin Liu, Hua Feng, Yujie Chen
BACKGROUND: Emerging studies have demonstrated the important physiological and pathophysiological roles of hydrogen sulphide (H2S) as a gasotransmitter for NOD-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome-associated neuroinflammation in the central nervous system. However, the effects of H2S on neuroinflammation after intracerebral haemorrhage (ICH), especially on the NLRP3 inflammasome, remain unknown. METHODS: We employed a Sprague-Dawley rat of collagenase-induced ICH in the present study...
August 18, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28817088/the-role-of-neurogenic-inflammation-in-blood-brain-barrier-disruption-and-development-of-cerebral-oedema-following-acute-central-nervous-system-cns-injury
#20
REVIEW
Annabel J Sorby-Adams, Amanda M Marcoionni, Eden R Dempsey, Joshua A Woenig, Renée J Turner
Acute central nervous system (CNS) injury, encompassing traumatic brain injury (TBI) and stroke, accounts for a significant burden of morbidity and mortality worldwide, largely attributable to the development of cerebral oedema and elevated intracranial pressure (ICP). Despite this, clinical treatments are limited and new therapies are urgently required to improve patient outcomes and survival. Originally characterised in peripheral tissues, such as the skin and lungs as a neurally-elicited inflammatory process that contributes to increased microvascular permeability and tissue swelling, neurogenic inflammation has now been described in acute injury to the brain where it may play a key role in the secondary injury cascades that evolve following both TBI and stroke...
August 17, 2017: International Journal of Molecular Sciences
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