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Frontal lobe syndrome

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https://www.readbyqxmd.com/read/27906415/frontal-lobe-syndrome-with-psychotic-symptoms-secondary-to-a-giant-meningioma-in-a-38-year-old-man
#1
Héctor Cabello-Rangel, Lina Díaz-Castro
No abstract text is available yet for this article.
November 2016: Actas Españolas de Psiquiatría
https://www.readbyqxmd.com/read/27888269/internal-carotid-artery-pseudoaneurysm-and-ischemic-stroke-secondary-to-retropharyngeal-and-parapharyngeal-abscess-a-case-report-and-review-of-the-literature
#2
Michael W Ruff, Deena M Nasr, James P Klaas, Deborah L Renaud
Internal carotid artery pseudoaneurysm is an uncommon complication of retropharyngeal and parapharyngeal abscess in children. Treatment of the pseudoaneurysm has evolved in recent years from surgical ligation to endovascular techniques. Neurologic sequelae most commonly consist of Horner's syndrome with cerebral ischemia being uncommon. The clinical course of a 2-year-old boy with retropharyngeal abscess complicated by internal carotid artery pseudoaneurysm, is described and the literature is reviewed. A conventional angiogram confirmed the presence of a large pseudoaneurysm with no anterograde flow distal to the pseudoaneurysm and substantial collateral flow across the circle of Willis, with filling of the left anterior and middle cerebral arteries via the anterior and posterior communicating arteries...
November 25, 2016: Journal of Child Neurology
https://www.readbyqxmd.com/read/27843197/a-correlative-classification-study-of-schizophrenic-patients-with-results-of-clinical-evaluation-and-structural-magnetic-resonance-images
#3
Wen-Lin Chu, Min-Wei Huang, Bo-Lin Jian, Chih-Yao Hsu, Kuo-Sheng Cheng
Patients with schizophrenia suffer from symptoms such as hallucination and delusion. There are currently a number of publications that discuss the treatment, diagnosis, prognosis, and damage in schizophrenia. This study utilized joint independent component analysis to process the images of GMV and WMV and incorporated the Wisconsin card sorting test (WCST) and the positive and negative syndrome scale (PANSS) to examine the correlation of obtained brain characteristics. We also used PANSS score to classify schizophrenic patients into acute and subacute cases, to analyze the brain structure differences...
2016: Behavioural Neurology
https://www.readbyqxmd.com/read/27830187/germline-and-somatic-mutations-in-the-mtor-gene-in-focal-cortical-dysplasia-and-epilepsy
#4
Rikke S Møller, Sarah Weckhuysen, Mathilde Chipaux, Elise Marsan, Valerie Taly, E Martina Bebin, Susan M Hiatt, Jeremy W Prokop, Kevin M Bowling, Davide Mei, Valerio Conti, Pierre de la Grange, Sarah Ferrand-Sorbets, Georg Dorfmüller, Virginie Lambrecq, Line H G Larsen, Eric Leguern, Renzo Guerrini, Guido Rubboli, Gregory M Cooper, Stéphanie Baulac
OBJECTIVE: To assess the prevalence of somatic MTOR mutations in focal cortical dysplasia (FCD) and of germline MTOR mutations in a broad range of epilepsies. METHODS: We collected 20 blood-brain paired samples from patients with FCD and searched for somatic variants using deep-targeted gene panel sequencing. Germline mutations in MTOR were assessed in a French research cohort of 93 probands with focal epilepsies and in a diagnostic Danish cohort of 245 patients with a broad range of epilepsies...
December 2016: Neurology. Genetics
https://www.readbyqxmd.com/read/27810518/social-cognition-in-juvenile-myoclonic-epilepsy
#5
Filippo S Giorgi, Melania Guida, Lorenzo Caciagli, Cristina Pagni, Chiara Pizzanelli, Enrica Bonanni, Gloria Tognoni, Ubaldo Bonuccelli
OBJECTIVE: Juvenile Myoclonic Epilepsy (JME) is a common genetic generalized epilepsy syndrome. Several studies have detailed cognitive and imaging abnormalities pointing to frontal lobe dysfunction, as well as disadvantageous behavioral traits and poor social outcome, challenging the commonly held view of JME being a benign disorder. Social cognition is the ability to elaborate mental representations of social interactions and to use them correctly in social contexts, and includes Theory of Mind (ToM), which pertains to the attribution of cognitive and affective mental states to self and others and seems to rely on complex fronto-temporal interactions...
October 26, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/27792104/neurocutaneous-melanosis-presenting-as-cavernous-hemangioma-persistent-abdominal-pain
#6
Keman Liao, Shuanglin Que, Yongming Qiu, Shilei Zhang, Zhihua Chen
Neurocutaneous melanosis (NCM) is a rare congenital syndrome characterized by the presence of multiple congenital melanocytic nevi and the proliferation of melanocytes in the central nervous system. The authors present a 9-year-old Chinese boy whose clinical manifestations are intermittent headache for 2 months and persistent abdominal pain for 10 days. 3D-reconstruction computed tomography angiography image, digital subtraction angiography, and magnetic resonance imaging plus angiography (MRI+MRA) examinations results suggested that cavernoma at left frontal lobe potentially associated with hemorrhage...
October 27, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27783220/the-importance-of-mammillary-body-efferents-for-recency-memory-towards-a-better-understanding-of-diencephalic-amnesia
#7
Andrew J D Nelson, Seralynne D Vann
Despite being historically one of the first brain regions linked to memory loss, there remains controversy over the core features of diencephalic amnesia as well as the critical site for amnesia to occur. The mammillary bodies and thalamus appear to be the primary locus of pathology in the cases of diencephalic amnesia, but the picture is complicated by the lack of patients with circumscribed damage. Impaired temporal memory is a consistent neuropsychological finding in Korsakoff syndrome patients, but again, it is unclear whether this deficit is attributable to pathology within the diencephalon or concomitant frontal lobe dysfunction...
October 25, 2016: Brain Structure & Function
https://www.readbyqxmd.com/read/27772780/non-alcoholic-korsakoff-syndrome-in-psychiatric-patients-with-a-history-of-undiagnosed-wernicke-s-encephalopathy
#8
Georgios Nikolakaros, Tuula Ilonen, Timo Kurki, Janina Paju, Sokratis G Papageorgiou, Risto Vataja
Wernicke's encephalopathy is often undiagnosed, particularly in non-alcoholics. There are very few reports of non-alcoholic patients diagnosed with Korsakoff syndrome in the absence of a prior diagnosis of Wernicke's encephalopathy and no studies of diffusion tensor imaging in non-alcoholic Korsakoff syndrome. We report on three non-alcoholic psychiatric patients (all women) with long-term non-progressive memory impairment that developed after malnutrition accompanied by at least one of the three Wernicke's encephalopathy manifestations: ocular abnormalities, ataxia or unsteadiness, and an altered mental state or mild memory impairment...
November 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27765861/brain-fdg-pet-metabolic-abnormalities-in-patients-with-long-lasting-macrophagic-myofasciitis
#9
Axel Van Der Gucht, Mehdi Aoun Sebaiti, Eric Guedj, Jessie Aouizerate, Sabrina Yara, Romain Gherardi, Eva Evangelista, Julia Chalaye, Anne-Ségolène Cottereau, Antoine Verger, Anne-Catherine Bachoud-Levi, Emmanuel Itti, Francois Jerome Authier
PURPOSE: Macrophagic myofasciitis (MMF) is an emerging condition with specific muscle lesions characterized by an abnormal long-term persistence of aluminum hydroxide particles within macrophages at the site of previous immunization. Patients present with diffuse arthromyalgias, chronic fatigue, and cognitive dysfunction. The aim of this study was to characterize brain FDG-PET metabolic abnormalities in MMF patients, and the relation with cognitive dysfunction. METHODS: FDG-PET brain imaging and a comprehensive battery of neuropsychological tests were performed in 100 consecutive MMF patients (mean age, 45...
October 20, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27761227/the-chronic-encephalopathy-of-parry-romberg-syndrome-and-en-coupe-de-sabre-with-a-31-year-history-in-a-west-indian-woman-clinical-immunologic-and-neuroimaging-abnormalities
#10
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
https://www.readbyqxmd.com/read/27759862/first-travel-associated-congenital-zika-syndrome-in-the-us-ocular-and-neurological-findings-in-the-absence-of-microcephaly
#11
Camila V Ventura, Maria Paula Fernandez, Ivan A Gonzalez, Delia M Rivera-Hernandez, Roberto Lopez-Alberola, Maria Peinado, Angelica A Floren, Patricia A Rodriguez, Basil K Williams, Gabriela de la Vega Muns, Ana J Rodriguez, Catherin Negron, Brenda Fallas, Audina M Berrocal
A 6-day-old female baby with known diagnosis of congenital Zika infection was referred for ophthalmologic examination. The mother (37 years old) was referred for a pruritic rash, conjunctival hyperemia, and malaise at 12 weeks of gestation while still living in Venezuela. Upon arrival to Miami, Zika virus (ZIKV) exposure was confirmed during prenatal screening. At birth, due to the known exposure, a complete congenital ZIKV workup was performed, including brain ultrasound and MRI, which disclosed calcifications in the frontal lobe...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27729486/resting-state-hyperperfusion-of-the-supplementary-motor-area-in-catatonia
#12
Sebastian Walther, Lea Schäppi, Andrea Federspiel, Stephan Bohlhalter, Roland Wiest, Werner Strik, Katharina Stegmayer
Catatonia is a psychomotor syndrome that not only frequently occurs in the context of schizophrenia but also in other conditions. The neural correlates of catatonia remain unclear due to small-sized studies. We therefore compared resting-state cerebral blood flow (rCBF) and gray matter (GM) density between schizophrenia patients with current catatonia and without catatonia and healthy controls. We included 42 schizophrenia patients and 41 controls. Catatonia was currently present in 15 patients (scoring >2 items on the Bush Francis Catatonia Rating Scale screening)...
October 11, 2016: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/27725889/shuyu-capsules-relieve-premenstrual-syndrome-depression-by-reducing-5-ht3ar-and-5-ht3br-expression-in-the-rat-brain
#13
Fang Li, Jizhen Feng, Dongmei Gao, Jieqiong Wang, Chunhong Song, Sheng Wei, Mingqi Qiao
The effects of the Shuyu capsule on 5-HT3AR and 5-HT3BR expression in a rat model of premenstrual syndrome (PMS) depression and on 5-HT3AR and 5-HT3BR expression and hippocampal neuron 5-HT3 channel current were investigated, to elucidate its mechanism of action against PMS depression. PMS depression model rats were divided into depression and Shuyu- and fluoxetine-treated groups, which were compared to control rats for frontal lobe and hippocampal 5-HT3AR and 5-HT3BR expression and behavior. The depressed model rats displayed symptoms of depression, which were reduced in treated and normal control rats...
2016: Neural Plasticity
https://www.readbyqxmd.com/read/27725556/catatonic-symptoms-appearing-before-autonomic-symptoms-help-distinguish-neuroleptic-malignant-syndrome-from-malignant-catatonia
#14
Takayuki Komatsu, Tomohisa Nomura, Hiroki Takami, So Sakamoto, Keiko Mizuno, Hajime Sekii, Kotaro Hatta, Manabu Sugita
A 42-year-old Japanese woman with a 10-year history of schizophrenia was admitted due to a disturbance in consciousness that met the diagnostic criteria for both neuroleptic malignant syndrome (NMS) and malignant catatonia. Despite systemic supportive treatments, the catatonic symptoms preceding autonomic symptoms persisted. The symptoms improved after lorazepam administration, leading to a retrospective diagnosis of malignant catatonia. Catatonia is thought to be caused by a dysfunction of ganmma-aminobutyric acid type A receptors in the cortico-cortical networks of the frontal lobes, which causes hypoactivity of the dopaminergic transmission in the subcortical areas...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27714550/mapping-face-encoding-using-functional-mri-in-multiple-sclerosis-across-disease-phenotypes
#15
Maria A Rocca, Laura Vacchi, Mariaemma Rodegher, Alessandro Meani, Vittorio Martinelli, Francesca Possa, Giancarlo Comi, Andrea Falini, Massimo Filippi
Using fMRI during a face encoding (FE) task, we investigated the behavioral and fMRI correlates of FE in patients with relapse-onset multiple sclerosis (MS) at different stages of the disease and their relation with attentive-executive performance and structural MRI measures of disease-related damage. A fMRI FE task was administered to 75 MS patients (11 clinically isolated syndromes - CIS, 40 relapsing-remitting - RRMS - and 24 secondary progressive - SPMS) and 22 healthy controls (HC). fMRI activity during the face encoding condition was correlated with behavioral, clinical, neuropsychological and structural MRI variables...
October 6, 2016: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/27668023/paroxysmal-posterior-variant-alien-hand-syndrome-associated-with-parietal-lobe-infarction-case-presentation
#16
Bekir Enes Demiryürek, Aslı Aksoy Gündogdu, Bilgehan Atılgan Acar, Aybala Neslihan Alagoz
Alien hand syndrome (AHS) is an involuntary and rare neurological disorder emerges at upper extremity. AHS is a disconnection syndrome with the symptoms of losing sense of agency and sense of ownership, and presence of involuntary autonomic motor activity. There are frontal, callosal and posterior types of AHS and each of them occurs depend on the lesions of different of the brain. Posterior variant is a rarely encountered AHS type compared to others. AHS, generally regarded as persistent, but rarely maybe observed as paroxysmal...
October 2016: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/27609620/automated-mri-volumetric-analysis-in-patients-with-rasmussen-syndrome
#17
Z I Wang, B Krishnan, D W Shattuck, R M Leahy, A N V Moosa, E Wyllie, R C Burgess, N B Al-Sharif, A A Joshi, A V Alexopoulos, J C Mosher, U Udayasankar, S E Jones
BACKGROUND AND PURPOSE: Rasmussen syndrome, also known as Rasmussen encephalitis, is typically associated with volume loss of the affected hemisphere of the brain. Our aim was to apply automated quantitative volumetric MR imaging analyses to patients diagnosed with Rasmussen encephalitis, to determine the predictive value of lobar volumetric measures and to assess regional atrophy differences as well as monitor disease progression by using these measures. MATERIALS AND METHODS: Nineteen patients (42 scans) with diagnosed Rasmussen encephalitis were studied...
September 8, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27602098/reversible-posterior-encephalopathy-syndrome-associated-with-late-onset-postpartum-eclampsia-a-case-report
#18
Qi-Yu Bo, Xiu-He Zhao, Xue Yang, Sheng-Jun Wang
Late onset postpartum eclampsia (LPE) is defined by its onset at >48 h after delivery. Reversible posterior encephalopathy syndrome (RPES) associated with LPE is uncommon, with the majority of RPES cases having a late postpartum onset within 4 weeks after childbirth. The present study reported the case of a 15-year old female presenting with convulsions that began 5 weeks after delivery. A magnetic resonance imaging scan of the brain revealed multiple lesions in the cortex, subcortical region and deep white matter of the bilateral cerebellum, and occipital, frontal and parietal lobes...
September 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27551668/cortical-and-subcortical-brain-alterations-in-juvenile-absence-epilepsy
#19
Manuela Tondelli, Anna Elisabetta Vaudano, Andrea Ruggieri, Stefano Meletti
Despite the common assumption that genetic generalized epilepsies are characterized by a macroscopically normal brain on magnetic resonance imaging, subtle structural brain alterations have been detected by advanced neuroimaging techniques in Childhood Absence Epilepsy syndrome. We applied quantitative structural MRI analysis to a group of adolescents and adults with Juvenile Absence Epilepsy (JAE) in order to investigate micro-structural brain changes using different brain measures. We examined grey matter volumes, cortical thickness, surface areas, and subcortical volumes in 24 patients with JAE compared to 24 healthy controls; whole-brain voxel-based morphometry (VBM) and Freesurfer analyses were used...
2016: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27536110/clinical-characteristics-of-synthetic-cannabinoid-induced-psychosis-in-relation-to-schizophrenia-a-single-center-cross-sectional-analysis-of-concurrently-hospitalized-patients
#20
Merih Altintas, Leman Inanc, Gamze Akcay Oruc, Selim Arpacioglu, Huseyin Gulec
BACKGROUND: This study aimed to evaluate synthetic cannabinoid (SC)-induced psychosis in terms of patient profile and clinical characteristics with reference to concurrently hospitalized schizophrenic patients. METHODS: A total of 81 male patients diagnosed with psychotic disorder induced by the use of SCs (n=50; mean (standard deviation [SD]) age: 25.9 (5.5) years) or with schizophrenia (n=31, mean (SD) age: 42.9 (11.6) years) based on the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, diagnosis criteria who were concurrently hospitalized at Erenköy Mental and Neurological Diseases Training and Research Hospital were included in this cross-sectional study...
2016: Neuropsychiatric Disease and Treatment
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