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https://www.readbyqxmd.com/read/28762364/brain-and-spine-imaging-artefacts-on-low-field-magnetic-resonance-imaging-spectrum-of-findings-in-a-nigerian-tertiary-hospital
#1
Godwin Ogbole, Joseph Odo, Richard Efidi, Richard Olatunji, Ayotunde Ogunseyinde
BACKGROUND: Low-field (LF) magnetic resonance imaging (MRI) is a technology that is widely used in resource-limited settings for clinical imaging. The images produced, even though of low resolution with noise and artefacts, provide valuable information and guidance for patient assessment and treatment. This study shows a spectrum of MRI artefacts that affect image quality during routine clinical neuroradiology practice using LF MRI in a Nigerian hospital and suggests ways to avoid them...
April 2017: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28750589/brain-atrophy-following-hemiplegic-migraine-attacks
#2
Nadine Pelzer, Evelien S Hoogeveen, Michel D Ferrari, Bwee Tien Poll-The, Mark C Kruit, Gisela M Terwindt
Background Patients with hemiplegic migraine (HM) may sometimes develop progressive neurological deterioration of which the pathophysiology is unknown. Patient We report a 16-year clinical and neuroradiological follow-up of a patient carrying a de novo p.Ser218Leu CACNA1A HM mutation who had nine severe HM attacks associated with seizures and decreased consciousness between the ages of 3 and 12 years. Results Repeated ictal and postictal neuroimaging revealed cytotoxic oedema during severe HM attacks in the symptomatic hemisphere, which later showed atrophic changes...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28747250/normal-neuroanatomical-variants-that-may-be-misinterpreted-as-disease-entities
#3
REVIEW
S Ramji, P Touska, P Rich, A D MacKinnon
Variations of normal development and benign incidental anomalies are frequently observed on diagnostic neuroimaging. It is important these are recognised for what they are, as misinterpretation may result in unnecessary further investigation, follow-up imaging and anxiety. In this article, we review benign intracranial anomalies commonly referred to our unit for specialist neuroradiology advice or multidisciplinary discussion, concerning cysts of the pineal gland and pituitary fossa, vascular anomalies, and perivascular spaces...
July 23, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28658401/autosomal-recessive-spastic-ataxia-of-charlevoix-saguenay-a-family-report-from-south-brazil
#4
Daniela Burguêz, Camila Maria de Oliveira, Marcio Aloísio Bezerra Cavalcanti Rockenbach, Helena Fussiger, Leonardo Modesti Vedolin, Pablo Brea Winckler, Marcelo Krieger Maestri, Alessandro Finkelsztejn, Filippo Maria Santorelli, Laura Bannach Jardim, Jonas Alex Morales Saute
Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) is an early-onset, neurodegenerative disorder caused by mutations in SACS, firstly reported in Quebec, Canada. The disorder is typically characterized by childhood onset ataxia, spasticity, neuropathy and retinal hypermyelination. The clinical picture of patients born outside Quebec, however, is often atypical. In the present article, the authors describe clinical and neuroradiological findings that raised the suspicion of an ARSACS diagnosis in two female cousins with Germanic background from Rio Grande do Sul, Brazil...
June 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28587881/mr-imaging-findings-in-children-with-spasmus-nutans
#5
Meredith Bowen, Jason Peragallo, Stephen F Kralik, Andrea Poretti, Thierry A G M Huisman, Bruno P Soares
BACKGROUND: Spasmus Nutans (SN) is a rare pediatric ophthalmologic syndrome of nystagmus, head bobbing and abnormal head positioning. Historically, SN has been associated with underlying optic pathway gliomas (OPG); however, evidence of this is association is based primarily on a small number of isolated case reports. Prior retrospective analyses have found the rate of OPG to be less than 2%, but only intermittently utilized neuroimaging with CT, which has limited sensitivity for detection of small lesions in the optic pathway...
June 3, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28548617/sporadic-pediatric-meningiomas-a-neuroradiological-and-neuropathological-study-of-15-cases
#6
Kristin Huntoon, Charles P Pluto, Lynne Ruess, Daniel R Boué, Christopher R Pierson, Jerome A Rusin, Jeffrey Leonard
OBJECTIVE Sporadic meningiomas have been classified in many different ways. Radiographically, these lesions can be described as occurring in either typical or atypical locations. The purpose of this study was to determine if there are any histopathological differences between sporadic meningiomas that arise in these varying locations in children. METHODS The neuroimaging, histopathological findings, and clinical records in patients with sporadic pediatric meningiomas not associated with neurofibromatosis Type 2 or prior radiation therapy were retrospectively reviewed...
August 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28537352/is-pseudotumor-cerebri-an-unusual-expression-of-chiari-syndrome-a-case-report-and-review-of-the-literature
#7
Paolo Pacca, Roberto Altieri, Francesco Zenga, Diego Garbossa, Alessandro Ducati, Michele Lanotte
The Chiari I malformation (CM-I) is a developmental alteration of the posterior cranial fossa (PCF), radiographically defined as the descent of the cerebellar tonsils = 5 mm below the foramen magnum (FM) inside the cervical canal. Headache is the most frequent symptom associated with CM-I. The association of CM-I and neurological symptoms configures with Chiari syndrome. A rare symptom associated with Chiari syndrome is intracranial hypertension syndrome with cephalea and papilloedema-the typical findings of pseudotumor cerebri (PTC)...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28501423/teratoma-of-the-nervous-system-a-case-series
#8
Hussein Algahtani, Bader Shirah, Ahad Abdullah, Abdulrahman Bazaid
Teratoma is a common form of germ cell tumors composed of multiple tissues foreign to the site in which arise with a histological representation of all three germ cell layers. Intracranial teratomas are very rare. In this study, we report three cases of intracranial teratomas with an interesting clinical course, neuroradiology, and outcome. In addition, we review the literature and convey important messages to the neuroscience community regarding issues related to the management of these rare tumors. The present cases are interesting examples of intracranial teratoma in terms of location of the tumor and neuroimaging findings...
May 10, 2017: Neurocirugía
https://www.readbyqxmd.com/read/28495946/neuroimaging-changes-in-menkes-disease-part-1
#9
REVIEW
R Manara, L D'Agata, M C Rocco, R Cusmai, E Freri, L Pinelli, F Darra, E Procopio, R Mardari, C Zanus, G Di Rosa, C Soddu, M Severino, M Ermani, D Longo, S Sartori
Menkes disease is a rare multisystem X-linked disorder of copper metabolism. Despite an early, severe, and progressive neurologic involvement, our knowledge of brain involvement remains unsatisfactory. The first part of this retrospective and review MR imaging study aims to define the frequency rate, timing, imaging features, and evolution of intracranial vascular and white matter changes. According to our analysis, striking but also poorly evolutive vascular abnormalities characterize the very early phases of disease...
May 11, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28449981/recessive-afg3l2-mutation-causes-progressive-microcephaly-early-onset-seizures-spasticity-and-basal-ganglia-involvement
#10
Alaa Eskandrani, Amal AlHashem, El-Sayed Ali, Saad AlShahwan, Kalthoum Tlili, Khaled Hundallah, Brahim Tabarki
BACKGROUND: Mutations in AFG3L2, a gene encoding a subunit of the mitochondrial m-AAA protease, cause spinocerebellar ataxia type 28 and recessive spastic ataxia type 5. Neuroimaging shows cerebellar atrophy. METHODS: Retrospective review of the patient charts including their clinical evaluation and molecular genetic, neurodiagnostic, and neuroradiological investigations. RESULTS: We describe five members of a large consanguineous family with a severe mitochondrial phenotype in the form of regression of the developmental milestones in the first year of life, refractory epilepsy, progressive microcephaly, increased blood lactate, basal ganglia involvement, and premature death...
April 5, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28320115/reversible-cerebral-vasoconstriction-syndrome-in-puerperium-a-prospective-study
#11
Gian Paolo Anzola, Renato Brighenti, Milena Cobelli, Alessia Giossi, Sara Mazzucco, Silvia Olivato, Elisa Pari, Maria Paola Piras, Alessandro Padovani, Fabrizio Rinaldi, Giulia Turri
BACKGROUND AND AIM OF THE STUDY: Reversible cerebral vasoconstriction syndrome (RCVS) is characterized by severe "thunderclap" headache, with or without associated neurological symptoms and neuroimaging findings of reversible vasoconstriction of cerebral arteries. Puerperium is a recognized precipitant, but the incidence of puerperal RCVS is unknown. We conducted a prospective study to assess incidence, risk factors and clinical features of RCVS. MATERIAL AND METHOD: Nine-hundred consecutive puerperae were prospectively enrolled within three days of delivery...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28284856/magnetic-resonance-imaging-findings-in-children-with-spasmus-nutans
#12
Meredith Bowen, Jason H Peragallo, Stephen F Kralik, Andrea Poretti, Thierry A G M Huisman, Bruno P Soares
BACKGROUND: Spasmus nutans (SN) is a rare pediatric ophthalmologic syndrome characterized by nystagmus, head bobbing, and abnormal head positioning. Historically, SN has been associated with underlying optic pathway gliomas (OPG); however, evidence of this association is based primarily on a small number of isolated case reports. Prior retrospective analyses have found the rate of OPG to be <2%, but these studies only intermittently used neuroimaging with computed tomography, which has limited sensitivity for detection of small lesions in the optic pathway...
April 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28247152/magnetic-resonance-imaging-study-of-cryptococcal-neuroradiological-lesions-in-hiv-negative-cryptococcal-meningitis
#13
Y Zhong, Z Zhou, X Fang, F Peng, W Zhang
Magnetic resonance (MR) scanning has become an important diagnostic and management tool in cryptococcal meningitis (CM). However, there are only isolated case reports documenting neuroradiological findings in human immunodeficiency virus (HIV)-negative patients with CM and none has clearly addressed the relationship between cerebral lesions on magnetic resonance imaging (MRI) and prognosis. The MR brain images available from 114 HIV-negative patients with CM were retrospectively analysed. Patients were divided into Group I with one or more CM-related lesions and Group II without CM-related lesions...
August 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28247112/pediatric-infratentorial-meningiomas-a-series-of-19-cases-and-review-of-the-literature
#14
Hai Liu, Wei Luo, Jiaxin Li, Jun Yang, Yulun Xu
PURPOSE: Pediatric infratentorial meningiomas are extremely rare. In this article, we present a series of 19 cases operated at our institution in the last 8 years. METHODS: During the 8-year period from January 2008 to December 2015, we encountered 21 cases suffered from infratentorial meningiomas. Two patients were excluded. The clinical profiles, radiological features, surgical procedures, intraoperative findings, and outcomes were extracted from the patient records and neuroimaging data...
February 28, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28229840/-magnetic-resonance-imaging-conversion-predictors-of-clinically-isolated-syndrome-to-multiple-sclerosis
#15
REVIEW
Sara Peixoto, Pedro Abreu
INTRODUCTION: Clinically isolated syndrome may be the first manifestation of multiple sclerosis, a chronic demyelinating disease of the central nervous system, and it is defined by a single clinical episode suggestive of demyelination. However, patients with this syndrome, even with long term follow up, may not develop new symptoms or demyelinating lesions that fulfils multiple sclerosis diagnostic criteria. We reviewed, in clinically isolated syndrome, what are the best magnetic resonance imaging findings that may predict its conversion to multiple sclerosis...
November 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28214165/agenesis-of-the-corpus-callosum-and-aicardi-syndrome-a%C3%A2-neuroimaging-and-clinical-comparison
#16
T Govil-Dalela, A Kumar, R Agarwal, H T Chugani
BACKGROUND: Agenesis of the corpus callosum can occur in individuals with epilepsy, either in isolation or as part of various neurological conditions, such as Aicardi syndrome. In this study, we evaluated the clinical and neuroradiological differences between children with nonsyndromic agenesis of the corpus callosum and those with Aicardi syndrome. METHODS: We evaluated 31 children with epilepsy and agenesis of the corpus callosum (11 males, 20 females), 14 of whom had Aicardi syndrome (all females)...
March 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28195512/neuroradiological-findings-of-trisomy-13-in-a-rare-long-term-survivor
#17
Ryan D Goff, Bruno P Soares
Patau syndrome remains a difficult diagnosis for parents and a challenging conversation for clinicians due to the overall poor prognosis. Previous population-based reports have documented the sobering life expectancies of these patients, with few surviving to 1 year of age. Despite the high mortality rate in infants born with trisomy 13, there are several reports of survival into late childhood and early adulthood. While clinical outcomes have been well documented, there has been a paucity of literature describing postnatal imaging findings in long-term survivors...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28179633/band-like-calcification-with-simplified-gyration-and-polymicrogyria-report-of-10-new-families-and-identification-of-five-novel-ocln-mutations
#18
Mohamed S Abdel-Hamid, Ghada M H Abdel-Salam, Mahmoud Y Issa, Bayoumi A Emam, Maha S Zaki
Band-like calcification with simplified gyration and polymicrogyria (BLC-PMG) is an extremely rare autosomal recessive disorder with distinctive clinical and neuroimaging findings. To date, only 17 patients from 9 unrelated families with BLC-PMG have been reported worldwide. Herein, we describe a series of 13 new patients derived from 10 unrelated Egyptian families. Patients presented at early life with the classic phenotype including severe microcephaly, failure to acquire developmental skills, growth failure and the distinguished calcification patterns involving the cortex, thalami, basal ganglia and pons...
April 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28074769/-neuroradiological-changes-by-suppression-of-tics
#19
Sara Bohn Larsen, Camilla Birgitte Sørensen, Liselotte Skov, Nanette Mol Debes
Tourette's syndrome is characterized by involuntary tics. First choice of treatment has been pharmacological, but recently, behavioural therapy teaching patients to suppress their tics has been introduced. Neuroimaging studies have shown an increased activity in the prefrontal cortex, temporal lobes and caudate nucleus, and a decreased activity in globus pallidus and putamen during inhibition of tics. The activity in the frontal lobes changes with age, probably caused by a lack of compensatory hypertrophy. In order to fully understand the mechanism behind behavioural therapy further studies are needed...
January 2, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/27885947/quickbrain-mri-for-the-detection-of-acute-pediatric-traumatic-brain-injury
#20
David C Sheridan, Craig D Newgard, Nathan R Selden, Mubeen A Jafri, Matthew L Hansen
OBJECTIVE The current gold-standard imaging modality for pediatric traumatic brain injury (TBI) is CT, but it confers risks associated with ionizing radiation. QuickBrain MRI (qbMRI) is a rapid brain MRI protocol that has been studied in the setting of hydrocephalus, but its ability to detect traumatic injuries is unknown. METHODS The authors performed a retrospective cohort study of pediatric patients with TBI who were undergoing evaluation at a single Level I trauma center between February 2010 and December 2013...
February 2017: Journal of Neurosurgery. Pediatrics
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