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neuroradiology neuroimaging

Karan Seegobin, Kamille Abdool, Kanterpersad Ramcharan, Haramnauth Dyaanand, Fidel Rampersad
We describe a case of Parry Romberg syndrome/en coupe de sabre in a woman whose disease started as seizures at age 8 but was diagnosed at the age 39. During these 31 years she got married, completed a first degree at university, had two successful pregnancies and has been gainfully employed. The features of generalized tonic-clonic seizures, autoimmune abnormalities, ocular abnormalities, morphea en coup de sabre and brain imaging abnormalities were present. Areas of parietal lobe cerebral calcification were encountered on the computed tomographic scan and bilateral periventricular white matter changes on the magnetic resonance imaging with frontal, temporal and parietal lobe brain atrophy ipsilateral to the facial hemiatrophy...
September 30, 2016: Neurology International
Marinka Twilt, Troels Herlin
In children, inflammatory brain diseases (IBrainDs) are increasingly being recognized. Clinical, neuroimaging and laboratory features are overlapping, and an exact diagnosis can be significantly delayed. Novel antibodies have been discovered and should be included in the diagnostic evaluation. Specific neuroradiological tests such as conventional angiography or vessel wall enhancement can assist in supporting the diagnosis. Brain biopsy should be considered in children with IBrainD with unclear pathology. Treatment should be tailored to the underlying pathogenesis...
October 17, 2016: Ugeskrift for Laeger
Yi Shiau Ng, Ming Lim, Gareth Thomas, Robert McFarland
No abstract text is available yet for this article.
October 4, 2016: Neurology
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...
September 29, 2016: Medicina Clínica
A Florido-Rodriguez, J Eiris-Punal, F Barros-Angueira, L Toledo-Bravo de Laguna, A Santana-Artiles, I Sebastian-Garcia, A Santana-Rodriguez, J C Cabrera-Lopez
INTRODUCTION: Aicardi-Goutieres syndrome is a rare progressive subacute encephalopathy of early onset - generally in the first year of life - characterised by psychomotor retardation, microcephaly, alterations in the white matter of the brain, intracranial calcifications, pleocytosis and elevated levels of interferon alpha in the cerebrospinal fluid. It is associated to an increase in the expression of genes stimulated by interferon in peripheral blood, a fact known as the interferon signature...
October 1, 2016: Revista de Neurologia
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
Renata Oliveira, Ewen W Sommerville, Kyle Thompson, Joana Nunes, Angela Pyle, Manuela Grazina, Patrick F Chinnery, Luísa Diogo, Paula Garcia, Robert W Taylor
Mitochondrial translation defects are important causes of early onset mitochondrial disease. Although the biochemical (combined respiratory chain deficiency) signature and neuroimaging are usually distinctive, they are not diagnostic as the genetic origin of mitochondrial translation defects is heterogeneous. We report a female child, born at term to non-consanguineous parents, who exhibited global hypotonia, failure to thrive, persistent and progressive hyperlactacidaemia with lactic acidosis, liver dysfunction and encephalopathy and died at the age of 5 months...
August 30, 2016: JIMD Reports
Melissa M Lai, Giulia D'Acunto, Andrea Guzzetta, Roslyn N Boyd, Stephen E Rose, Jurgen Fripp, Simon Finnigan, Naoni Ngenda, Penny Love, Koa Whittingham, Kerstin Pannek, Robert S Ware, Paul B Colditz
BACKGROUND: Preterm infants follow an altered neurodevelopmental trajectory compared to their term born peers as a result of the influence of early birth, and the altered environment. Infant massage in the preterm infant has shown positive effects on weight gain and reduced length of hospital stay. There is however, limited current evidence of improved neurodevelopment or improved attachment, maternal mood or anxiety. The aim of this study is to investigate the effects of infant massage performed by the mother in very preterm (VPT) infants...
2016: BMC Pediatrics
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
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
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
Irene Navalpotro-Gómez, Rosa María Vivanco-Hidalgo, Elisa Cuadrado-Godia, Santiago Medrano-Martorell, Francisco Alameda-Quitllet, Gloria Villalba-Martínez, Jaume Roquer
BACKGROUND: Idiopathic hypertrophic cranial pachymeningitis (IHCP) is an uncommon disease of unknown etiology characterized by thickening of the cerebral dura mater with possible associated inflammation. The most frequently described clinical symptoms include headache, cranial nerve palsy, and cerebellar dysfunction. Epilepsy and/or status epilepticus as main presentation is very uncommon. CASE PRESENTATION: Two consecutive cases are presented of patients manifesting focal status epilepticus secondary to IHCP, with clinical, laboratory [blood test and cerebrospinal fluid (CSF) analysis], neuroradiologic [magnetic resonance imaging (MRI) at 3 Tesla and digital subtraction angiography (DSA)], and therapeutic data...
August 15, 2016: Journal of the Neurological Sciences
Yu Kobayashi, Shinichi Magara, Kenichi Okazaki, Takao Komatsubara, Hirotomo Saitsu, Naomichi Matsumoto, Mitsuhiro Kato, Jun Tohyama
Megalencephalic polymicrogyria syndromes include megalencephaly-capillary malformation and megalencephaly-polymicrogyria-polydactyly-hydrocephalus. Recent genetic studies have identified that genes in the PI3K-AKT pathway are involved in the pathogenesis of these disorders. Herein, we report a patient who presented with developmental delay, epilepsy and peculiar neuroimaging findings of megalencephaly, polymicrogyria, and symmetrical band heterotopia in the periventricular region. The heterotopias exhibited inhomogeneous signals with undulatory mixtures of gray and white matter, resembling ribbon-like heterotopia, with a predominance in the temporal to occipital regions...
July 2, 2016: Brain & Development
Lubdha M Shah, Jeffrey S Ross
UNLABELLED: : Imaging is important in the evaluation of patients with degenerative disease and infectious processes. There are numerous conditions that can manifest as low back pain (LBP) or neck pain in a patient, and in many cases, the cause may be multifactorial. Clinical history and physical examination are key components in the evaluation of such patients; however, physical examination has variable sensitivity and specificity. Although studies have demonstrated that uncomplicated acute LBP and/or radiculopathy are self-limited conditions that do not warrant any imaging, neuroimaging can provide clear anatomic delineation of potential causes of the patient's clinical presentation...
September 2016: Neurosurgery
Michael Fiechter, Ekkehard Hewer, Urspeter Knecht, Roland Wiest, Jürgen Beck, Andreas Raabe, Markus F Oertel
INTRODUCTION: Anaplastic pilocytic astrocytoma (APA) is an exceptionally rare type of high-grade glioma in adults. Establishing histopathological diagnosis is challenging and its clinical and radiological appearance insidious. By this case series and first literature review we investigated the various clinical, neuroradiological, and histopathological features of APA in adults. METHODS: An in hospital screening of the database from the Institute of Pathology was conducted to identify cases of APA...
August 2016: Clinical Neurology and Neurosurgery
Andrea Poretti, Ramy Ashmawy, Tomas Garzon-Muvdi, George I Jallo, Thierry A G M Huisman, Charles Raybaud
Our understanding of cerebellar tonsillar herniation evolved over time and nowadays various pathomechanisms have been proposed. Causes of tonsillar herniation share a discrepancy between content (fore- and hindbrain) and container (supratentorial cranial vault, posterior fossa), may be associated with abnormalities of the craniocervical junction, and may have a developmental or acquired nature. In tonsillar herniation, the hindbrain is not malformed but deformed. Accordingly, "Chiari type 1 deformity," not "Chiari type 1 malformation" is the correct term to characterize primary tonsillar herniation...
October 2016: Neuropediatrics
Gaurav Singh Gulsin, Madeleine Louisa Bryson Jacobs, Shailesh Gohil, Adam Thomas, Miles Levy
Metastases to the pituitary gland are rare; cancers that most commonly metastasize to the pituitary are breast and lung cancers. No specific computed tomography or magnetic resonance imaging features reliably distinguish primary pituitary masses from metastases. A combination of a detailed clinical assessment together with specialist endocrine and neuroradiology support is essential to make the rare diagnosis of a pituitary metastasis. We present the case of a man with metastatic lung cancer, initially presenting as hypopituitarism...
January 2016: Oxford Medical Case Reports
M Fischer, E Schmutzhard
Posterior reversible encephalopathy syndrome refers to a neurological disorder characterized by headache, disorders of consciousness, visual disturbances, epileptic seizures, and subcortical vasogenic edema. About two thirds of patients develop neurological symptoms, which are associated with blood pressure fluctuations. One hypothesis is that hypertensive episodes cause autoregulatory failure, and values above the upper limit of cerebral autoregulation result in a breakthrough followed by hyperperfusion and blood-brain barrier dysfunction...
June 2016: Medizinische Klinik, Intensivmedizin und Notfallmedizin
D Adamek, G P Siwek, A A Chrobak, I Herman-Sucharska, S Kwiatkowski, R Morga, E Radwańska, B Urbanowicz
Angiocentric glioma (AG) is a newly-classified, very rare, WHO grade I central nervous system (CNS) lesion, occurring usually in children and young adults. Only 52 patients with AG have been reported so far, making it one of the rarest neuropathological entities. Hereby we present two new cases of AG in young subjects with detailed neuropathological investigations and a neuroradiological picture along with a brief summary of all already published literature reports of this tumor. Histopathological examination of the resected tissue from both cases revealed similar changes characteristic of AG...
2016: Folia Neuropathologica
Barbara Borroni, Eleonora Di Gregorio, Laura Orsi, Giovanna Vaula, Chiara Costanzi, Filippo Tempia, Nico Mitro, Donatella Caruso, Marta Manes, Lorenzo Pinessi, Alessandro Padovani, Alfredo Brusco, Loredana Boccone
INTRODUCTION: SCA38 (MIM 611805) caused by mutations within the ELOVL5 gene, which encodes an enzyme involved in the synthesis of long-chain fatty acids with a high and specific expression in Purkinje cells, has recently been identified. OBJECTIVE: The present study was aimed at describing the clinical and neuroimaging features, and the natural history of SCA38. METHODS: We extended our clinical and brain neuroimaging data on SCA38 including 21 cases from three Italian families...
July 2016: Parkinsonism & related Disorders
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