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neuroradiologic imaging findings

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https://www.readbyqxmd.com/read/28095899/what-is-the-relationship-between-type-2-diabetes-mellitus-status-and-the-neuroradiological-correlates-of-cerebral-small-vessel-disease-in-adults-protocol-for-a-systematic-review
#1
Clark Funnell, Mary M Doyle-Waters, Samuel Yip, Thalia Field
BACKGROUND: Cerebral small vessel disease (CSVD) is a common cause of stroke, dementia, and functional decline. In recent years, neuroradiologic correlates of CSVD have been identified. These imaging findings, best characterized on magnetic resonance imaging (MRI), include some combination of white matter hyperintensities, lacunes, cerebral microbleeds, enlarged perivascular spaces, and cerebral atrophy. Though some cohorts have reported that participants with type 2 diabetes mellitus (T2DM), an important risk factor for CSVD, may have a distinct neuroradiologic phenotype, this relationship is not well-characterized...
January 17, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28018468/posterior-reversible-encephalopathy-syndrome-caused-by-presumed-takayasu-arteritis
#2
Ki Wuk Lee, Sang Taek Lee, Heeyeon Cho
Takayasu arteritis (TA) is a chronic inflammatory disease of unknown etiology that affects mainly the aorta, main aortic branches, and pulmonary arteries. Diverse neurological manifestations of TA have rarely been reported in children. Posterior reversible encephalopathy syndrome (PRES) is a neuroradiological condition that presents with headache, seizure, visual disturbances, and characteristic lesions on imaging. Inflammatory condition and severe hypertension in TA can cause PRES. We report of a 5-year-old girl with presumed TA who presented with PRES and chronic total occlusion in the renal artery...
November 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28007313/neuropsychological-alterations-and-neuroradiological-findings-in-patients-with-post-traumatic-concussion-results-of-a-pilot-study
#3
A Rădoi, M A Poca, V Cañas, J M Cevallos, L Membrado, M C Saavedra, M Vidal, F Martínez-Ricarte, J Sahuquillo
INTRODUCTION: Mild traumatic brain injury (mTBI) has traditionally been considered to cause no significant brain damage since symptoms spontaneously remit after a few days. However, this idea is facing increasing scrutiny. The purpose of this study is to demonstrate the presence of early cognitive alterations in a series of patients with mTBI and to link these findings to different markers of brain damage. METHODS: We conducted a prospective study of a consecutive series of patients with mTBI who were evaluated over a 12-month period...
December 19, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/27942468/isolated-macrocerebellum-description-of-six-cases-and-literature-review
#4
Felice D'Arco, Lorenzo Ugga, Ferdinando Caranci, Maria Pia Riccio, Chiara Figliuolo, Kshitij Mankad, Alessandra D'Amico
BACKGROUND: Macrocerebellum is a rare entity described as an isolated and abnormal increase of the cerebellum (CB) size without morphological or signal abnormalities. There have been only eleven patients with macrocerebellum reported in the literature so far. METHODS: From December 2011 to March 2014, among 950 paediatric patients that underwent a magnetic resonance scan of the brain in our department, in six subjects an abnormal increase of the cerebellar volume was suspected...
October 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27933410/magnetic-resonance-imaging-patterns-of-treatment-related-toxicity-in-the-pediatric-brain-an-update-and-review-of-the-literature
#5
REVIEW
Maria Camilla Rossi Espagnet, Luca Pasquini, Antonio Napolitano, Antonella Cacchione, Angela Mastronuzzi, Roberta Caruso, Paolo Tomà, Daniela Longo
Treatment-related neurotoxicity is a potentially life-threatening clinical condition that can represent a diagnostic challenge. Differentiating diagnoses between therapy-associated brain injury and recurrent disease can be difficult, and the immediate recognition of neurotoxicity is crucial to providing correct therapeutic management, ensuring damage reversibility. For these purposes, the knowledge of clinical timing and specific treatment protocols is extremely important for interpreting MRI patterns. Neuroradiologic findings are heterogeneous and sometimes overlapping, representing the compounding effect of the different treatments...
December 9, 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/27917700/posterior-reversible-encephalopathy-syndrome-following-elevated-mean-arterial-pressures-for-cervical-spinal-cord-injury
#6
Jeffrey H Zimering, Addisu Mesfin
BACKGROUND: Increasing the mean arterial pressure (MAP) is an accepted treatment modality to minimize the risk for irreversible neurologic damage secondary to spinal cord ischemia. Posterior reversible encephalopathy syndrome (PRES) is a rare complication occurring after transplantation surgery, in persons having an autoimmune disorder or after abrupt increases in blood pressure of various etiologies. STUDY DESIGN: Case report. METHODS: Retrospective evaluation of medical records...
December 5, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27785412/neuroradiological-neurophysiological-and-molecular-findings-in-infantile-krabbe-disease-two-case-reports
#7
E Vargiami, E Papathanasiou, S Batzios, M Kyriazi, E Dimitriou, A Anastasiou, H Michelakakis, A-K Giese, D I Zafeiriou
Krabbe disease is an autosomal recessive neurodegenerative disorder due to a defect of the lysosomal enzyme β-galactocerebrosidase (β-GALC). Depending on the age of onset, the disease is classified into infantile and later-onset forms. We report neuroradiological, neurophysiological and molecular findings in two Greek patients with the infantile form of Krabbe disease. The index patients presented at the age of 3.5 and 6 months, respectively, due to developmental delay. Magnetic resonance imaging (MRI) of the first patient's brain demonstrated signs of leukodystrophy, while nerve conduction velocities (NCVs) were significantly decreased...
July 1, 2016: Balkan Journal of Medical Genetics: BJMG
https://www.readbyqxmd.com/read/27781952/a-novel-mutation-of-the-notch3-gene-in-a-chinese-pedigree-with-cadasil
#8
Xiaoxia Hou, Yudong Zhang, Hong Chen
BACKGROUND: Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) results from NOTCH3 gene mutations, which lead to the degeneration of vascular smooth muscle cells (VSMCs). The clinical presentation of CADASIL patients is dependent on the impact of other vascular risk factors and the type of NOTCH3 mutation present. METHODS: Here, we report a rare pathogenic mutation on exon 14 of the NOTCH3 gene in a Chinese family affected by CADASIL with phenotypic peculiarities...
October 24, 2016: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/27743887/severe-leukoencephalopathy-with-cortical-involvement-and-peripheral-neuropathy-due-to-folr1-deficiency
#9
Yu Kobayashi, Jun Tohyama, Tomoyuki Akiyama, Shinichi Magara, Hideshi Kawashima, Noriyuki Akasaka, Mitsuko Nakashima, Hirotomo Saitsu, Naomichi Matsumoto
Cerebral folate deficiency due to folate receptor 1 gene (FOLR1) mutations is an autosomal recessive disorder resulting from a brain-specific folate transport defect. It is characterized by late infantile onset, severe psychomotor regression, epilepsy, and leukodystrophy. We describe a consanguineous girl exhibiting severe developmental regression, intractable epilepsy, polyneuropathy, and profound hypomyelination with cortical involvement. Magnetic resonance imaging showed cortical disturbances in addition to profound hypomyelination and cerebellar atrophy...
October 12, 2016: Brain & Development
https://www.readbyqxmd.com/read/27692991/chronic-brain-damage-in-sickle-cell-disease-and-its-relation-with-quality-of-life
#10
Elena Cela, Ana G Vélez, Alejandra Aguado, Gabriela Medín, José M Bellón, Cristina Beléndez
BACKGROUND AND OBJECTIVE: Sickle cell anaemia causes progressive organ damage. The objective is to describe school performance of patients with sickle cell anaemia and their clinical parameters and quality of life that may have an influence. The hypothesis is that if school alterations occur without other objective data, additional factors must be present besides the disease itself. PATIENTS AND METHODS: Transversal study performed in November 2015 considering analytical variables, complications and neuroradiological images of children with sickle cell anaemia, and family survey on school performance and quality of life...
December 16, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/27610341/spectrum-of-intracranial-incidental-findings-on-pediatric-brain-magnetic-resonance-imaging-what-clinician-should-know
#11
REVIEW
Surya N Gupta, Vikash S Gupta, Andrew C White
Intracranial incidental findings on magnetic resonance imaging (MRI) of the brain continue to generate interest in healthy control, research, and clinical subjects. However, in clinical practice, the discovery of incidental findings acts as a "distractor". This review is based on existing heterogeneous reports, their clinical implications, and how the results of incidental findings influence clinical management. This draws attention to the followings: (1) the prevalence of clinically significant incidental findings is low; (2) there is a lack of a systematic approach to classification; and discusses (3) how to deal with the detected incidental findings based a proposed common clinical profile...
August 8, 2016: World Journal of Clinical Pediatrics
https://www.readbyqxmd.com/read/27602137/magnetic-resonance-imaging-findings-of-extraventricular-anaplastic-ependymoma-a-report-of-11-cases
#12
Xi Leng, Xin Tan, Chi Zhang, Huan Lin, Shijun Qiu
Anaplastic ependymomas are rare malignant tumors of the central nervous system. Few studies are available regarding their neuroradiological characteristics. The present study aimed to retrospectively review a series of patients with extraventricular anaplastic ependymoma and to analyze the magnetic resonance imaging (MRI) characteristics to distinguish anaplastic ependymoma from other intracranial tumors. The clinical and pathological images of 11 patients who presented with histologically proven anaplastic ependymoma at Nanfang Hospital (Southern Medical University, Guangzhou, Guangdong, China) between September 2004 and March 2015 were retrospectively reviewed...
September 2016: Oncology Letters
https://www.readbyqxmd.com/read/27588084/successful-treatment-with-hyperbaric-oxygen-therapy-for-severe-brain-edema-characterized-by-radiological-appearance-of-pseudosubarachnoid-hemorrhage-in-a-child
#13
Yi Xin, Xingjuan Gao, Xiuli Ju, Aimin Li
Pseudosubarachnoid hemorrhage (PSAH) is a rare neuroradiological finding, particularly in pediatric patients. The appearance of PSAH is commonly associated with poor clinical outcome due to refractory cerebral edema. Recent clinical trials have favored hyperbaric oxygen therapy (HBOT) as a promising therapeutic strategy for adult patients with severe head injuries. The present report describes a pediatric case of diffuse brain edema characterized by the radiological appearance of PSAH successfully treated with HBOT...
September 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27516097/spontaneous-dissections-of-the-anterior-cerebral-artery-a-meta-analysis-of-the-literature-and-three-recent-cases
#14
Johannes Hensler, Ulf Jensen-Kondering, Stephan Ulmer, Olav Jansen
INTRODUCTION: Spontaneous dissections of intracranial arteries are rare, but important causes of stroke, especially in younger patients. Dissections of the anterior cerebral artery (ACA) have been reported only very rarely in the European and North American populations but might be more prevalent than previously thought. METHODS: This paper describes the presenting pattern of the disease, the clinical and imaging findings, as well as endovascular therapeutical options with respect to a meta-analysis of cases reported in the literature...
October 2016: Neuroradiology
https://www.readbyqxmd.com/read/27504340/clinical-and-neuroradiological-spectrum-of-metronidazole-induced-encephalopathy-our-experience-and-the-review-of-literature
#15
REVIEW
Ujjawal Roy, Ajay Panwar, Alak Pandit, Susanta Kumar Das, Bhushan Joshi
Metronidazole is an antimicrobial agent mainly used in the treatment of several protozoal and anaerobic infections, additionally, is often used in hepatic encephalopathy and Crohn disease. Apart from peripheral neuropathy, metronidazole can also cause symptoms of central nervous system dysfunction like ataxic gait, dysarthria, seizures, and encephalopathy which may result from both short term and chronic use of this drug and is collectively termed as "metronidazole induced encephalopathy"(MIE). Neuroimaging forms the backbone in clinching the diagnosis of this uncommon entity, especially in cases where there is high index of suspicion of intoxication...
June 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27469307/diffusion-weighted-mri-abnormalities-in-an-outbreak-of-streptococcus-agalactiae-serotype-iii-multilocus-sequence-type-283-meningitis
#16
Kevin Tan, Limin Wijaya, Hui-Jin Chiew, Yih-Yian Sitoh, Humaira Shafi, Robert C Chen, Chin Kong Goh, C C Tchoyoson Lim
PURPOSE: In 2015, an outbreak of group B streptococcal (GBS) infection caused by Streptococcus agalactiae Serotype III, multilocus sequence type 283, related to consuming infected raw freshwater fish, affected more than 200 patients in Singapore. We describe the clinical, laboratory, and neuroimaging features of a subgroup of adults with central nervous system (CNS) infections caused by GBS. MATERIALS AND METHODS: The database of the Singapore Neurologic Infections Program (SNIP), a national multicenter study for surveillance of infectious neurologic disease, was reviewed to select patients with GBS CNS infection during the outbreak...
July 29, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27469212/intracranial-vessel-wall-mri-principles-and-expert-consensus-recommendations-of-the-american-society-of-neuroradiology
#17
D M Mandell, M Mossa-Basha, Y Qiao, C P Hess, F Hui, C Matouk, M H Johnson, M J A P Daemen, A Vossough, M Edjlali, D Saloner, S A Ansari, B A Wasserman, D J Mikulis
Intracranial vessel wall MR imaging is an adjunct to conventional angiographic imaging with CTA, MRA, or DSA. The technique has multiple potential uses in the context of ischemic stroke and intracranial hemorrhage. There remain gaps in our understanding of intracranial vessel wall MR imaging findings and research is ongoing, but the technique is already used on a clinical basis at many centers. This article, on behalf of the Vessel Wall Imaging Study Group of the American Society of Neuroradiology, provides expert consensus recommendations for current clinical practice...
July 28, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27469208/comparing-preliminary-and-final-neuroradiology-reports-what-factors-determine-the-differences
#18
K Stankiewicz, M Cohen, M Carone, G Sevinc, P G Nagy, J S Lewin, D M Yousem, L S Babiarz
BACKGROUND AND PURPOSE: Trainees' interpretations of neuroradiologic studies are finalized by faculty neuroradiologists. We aimed to identify the factors that determine the degree to which the preliminary reports are modified. MATERIALS AND METHODS: The character length of the preliminary and final reports and the percentage character change between the 2 reports were determined for neuroradiology reports composed during November 2012 to October 2013. Examination time, critical finding flag, missed critical finding flag, trainee level, faculty experience, imaging technique, and native-versus-non-native speaker status of the reader were collected...
July 28, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27458589/canine-butterfly-glioblastomas-a-neuroradiological-review
#19
John H Rossmeisl, Kemba Clapp, Theresa E Pancotto, Samantha Emch, John L Robertson, Waldemar Debinski
In humans, high-grade gliomas may infiltrate across the corpus callosum resulting in bihemispheric lesions that may have symmetrical, winged-like appearances. This particular tumor manifestation has been coined a "butterfly" glioma (BG). While canine and human gliomas share many neuroradiological and pathological features, the BG morphology has not been previously reported in dogs. Here, we describe the magnetic resonance imaging (MRI) characteristics of BG in three dogs and review the potential differential diagnoses based on neuroimaging findings...
2016: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/27426422/diffuse-encephalopathy-associated-with-isolated-cerebral-langerhans-cell%C3%A2-histiocytosis
#20
Oliver Rompel, Rolf Buslei, Matthias Hammon, Helmuth-Günther Dörr, Martin Chada, Guido Nikkhah, Michael Uder, Regina Trollmann
BACKGROUND: Langerhans cell histiocytosis is a rare disease of the monocyte-macrophage system. Abnormalities of the hypothalamic-pituitary region are common in individuals with central nervous system involvement. PATIENT DESCRIPTION: This six-year-old boy developed rapidly progressive aggressive behavior, central diabetes insipidus, and repeated complex partial seizures. Magnetic resonance imaging revealed a diffuse leukoencephalopathy-like pattern and numerous infratentorial and supratentorial granulomatous nodules in the brain parenchyma along with infundibular and hypothalamic mass lesions...
September 2016: Pediatric Neurology
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