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Cerebellar syndrome

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https://www.readbyqxmd.com/read/29138745/spontaneous-nervous-system-concussion-in-dogs-a-description-of-two-cases-and-a-review-of-terminology-in-veterinary-medicine
#1
Angelo Pasquale Giannuzzi, Antonio De Simone, Mario Ricciardi
In human medicine, central nervous system (CNS) concussion is defined as a transient neurological dysfunction following a traumatic event, without evidence of structural abnormalities of the affected region on advanced diagnostic imaging. Depending on the anatomical region involved, three forms of concussive syndromes are described: brain concussion, spinal concussion and cerebellar concussion. Although major textbooks of veterinary neurology admit the existence of canine brain concussion, spontaneous cases of this pathological condition have not been reported in small animals so far...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/29137817/beyond-als-and-ftd-the-phenotypic-spectrum-of-tbk1-mutations-includes-psp-like-and-cerebellar-phenotypes
#2
Carlo Wilke, Jonathan Baets, Jan L De Bleecker, Tine Deconinck, Saskia Biskup, Stefanie N Hayer, Stephan Züchner, Rebecca Schüle, Peter De Jonghe, Matthis Synofzik
Mutations in the TANK-binding kinase 1 gene (TBK1) are a rare, but recurrent cause of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). However, the complete phenotypic spectrum of syndromes associated with TBK1 mutations remains to be elucidated. Using next-generation panel-sequencing of neurodegenerative disease genes, we identified a TBK1 index patient presenting with a progressive supranuclear palsy-like syndrome. Consecutively, we screened the whole-exome sequencing data of 439 index subjects presenting with various neurodegenerative syndromes outside the ALS-FTD spectrum for TBK1 mutations...
October 24, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29121544/brain-volumetric-analysis-and-cortical-thickness-in-adults-with-saccadic-intrusions-ocular-flutter-or-opsoclonus-myoclonus-syndrome
#3
María-José Ibáñez-Juliá, Evangelia Pappa, Bertrand Gaymard, Delphine Leclercq, Charlotte Hautefort, Caroline Tilikete, Jean-Yves Delattre, Khê Hoang-Xuan, Dimitri Psimaras, Agusti Alentorn
OBJECTIVES: Ocular flutter (OF) and opsoclonus are considered a continuum with a similar pathogenesis. Due to the rarity of this disease in the adult population, little is known about the brain morphological changes in the chronic phase of the disease. PATIENTS AND METHODS: Six magnetic resonance imaging from adults with previous history of OF/Opsoclonus and 12 healthy patients (paired by age and sex) were analyzed in order to identify the long term cortical thickness pattern in this rare disease by using Freesurfer...
October 31, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29120919/nystagmus
#4
Alexander A Tarnutzer, Dominik Straumann
PURPOSE OF REVIEW: The clinical and laboratory assessment of nystagmus in patients with neurologic disorders can provide crucial elements for a state-of-the-art differential diagnosis. An increasing number of publications in the fields of neuro-otology and neuro-ophthalmology have nystagmus in the center of interest, which makes frequent updates on the diagnostic and therapeutic relevance of these contributions indispensable. This review covers important clinical studies and studies in basic research relevant for the neurologist published from January 2016 to August 2017...
November 7, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29116546/sir-gordon-morgan-holmes-1876-1965-one-of-the-founders-of-modern-neurology
#5
Jarosław Jerzy Sak, Andrzej Grzybowski, Jacek Baj
Sir Gordon Morgan Holmes (1876-1965) was one of the most important founders of modern neurology and a great teacher and scientist. He was the first scientist to challenge the theory of the unitary function of the cerebellum and described cerebellar disorders. Holmes together with Thomas Grainger Stewart (1877-1957) described 40 cases of the rebound phenomenon in cerebellar disease (Stewart-Holmes maneuver or Stewart-Holmes test). He also described the symptoms of inherited neurodegenerative spinocerebellar ataxia involving the olivary nucleus (Gordon-Holmes syndrome)...
November 7, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29112083/characteristics-of-liver-disease-in-100-individuals-with-joubert-syndrome-prospectively-evaluated-at-a-single-center
#6
Anna Strongin, Theo Heller, Dan Doherty, Ian A Glass, Melissa A Parisi, Joy Bryant, Peter Choyke, Baris Turkbey, Kailash Daryanani, Deniz Yildirimli, Meghana Vemulapalli, Jim C Mullikin, May C Malicdan, Thierry Vilboux, William A Gahl, Meral Gunay-Aygun
BACKGROUND & AIMS: Joubert Syndrome (JS) is a rare, inherited, ciliopathy defined by cerebellar and brainstem malformations and is variably associated with liver, kidney, and ocular dysfunction. This study characterizes the hepatic findings in JS and identifies factors associated with probable portal hypertension. METHODS: 100 individuals with JS were prospectively evaluated at the National Institutes of Health Clinical Center. Laboratory tests, imaging, and DNA sequencing were performed...
November 3, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29109381/epileptogenic-brain-malformations-and-mutations-in-tubulin-genes-a-case-report-and-review-of-the-literature
#7
Annalisa Mencarelli, Paolo Prontera, Gabriela Stangoni, Elisabetta Mencaroni, Nicola Principi, Susanna Esposito
Malformations of the cerebral cortex are an important cause of developmental disabilities and epilepsy. Neurological disorders caused by abnormal neuronal migration have been observed to occur with mutations in tubulin genes. The α- and β-tubulin genes encode cytoskeletal proteins, which play a role in the developing brain. TUBA1A mutations are associated with a wide spectrum of neurological problems, which are characterized by peculiar clinical details and neuroradiologic patterns. This manuscript describes the case of a nine-year-old girl with microcephaly, mild facial dysmorphisms, epileptic seizures, and severe developmental delay, with a de novo heterozygous c...
October 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29108899/kallmann-syndrome-phenotype-and-genotype-of-hypogonadotropic-hypogonadism
#8
M I Stamou, N A Georgopoulos
Isolated Gonadotropin-Releasing Hormone (GnRH) Deficiency (IGD) IGD is a genetically and clinically heterogeneous disorder. Mutations in many different genes are able to explain ~40% of the causes of IGD, with the rest of cases remaining genetically uncharacterized. While most mutations are inherited in X-linked, autosomal dominant, or autosomal recessive pattern, several IGD genes are shown to interact with each other in an oligogenic manner. In addition, while the genes involved in the pathogenesis of IGD act on either neurodevelopmental or neuroendocrine pathways, a subset of genes are involved in both pathways, acting as "overlap genes"...
November 3, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29106825/recurrent-de-novo-mutations-disturbing-the-gtp-gdp-binding-pocket-of-rab11b-cause-intellectual-disability-and-a-distinctive-brain-phenotype
#9
Ideke J C Lamers, Margot R F Reijnders, Hanka Venselaar, Alison Kraus, Sandra Jansen, Bert B A de Vries, Gunnar Houge, Gyri Aasland Gradek, Jieun Seo, Murim Choi, Jong-Hee Chae, Ineke van der Burgt, Rolph Pfundt, Stef J F Letteboer, Sylvia E C van Beersum, Simone Dusseljee, Han G Brunner, Dan Doherty, Tjitske Kleefstra, Ronald Roepman
The Rab GTPase family comprises ∼70 GTP-binding proteins, functioning in vesicle formation, transport and fusion. They are activated by a conformational change induced by GTP-binding, allowing interactions with downstream effectors. Here, we report five individuals with two recurrent de novo missense mutations in RAB11B; c.64G>A; p.Val22Met in three individuals and c.202G>A; p.Ala68Thr in two individuals. An overlapping neurodevelopmental phenotype, including severe intellectual disability with absent speech, epilepsy, and hypotonia was observed in all affected individuals...
October 23, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29104019/symptomatic-therapy-of-multiple-system-atrophy
#10
REVIEW
Guido Rohrer, Günter U Höglinger, Johannes Levin
Multiple system atrophy is a progressive neurodegenerative disease characterized by the association of autonomic failure and a movement disorder that consist of either a hypokinetic movement disorder or a cerebellar syndrome or both. In addition to these core characteristics other movement disorders (e.g. dystonia, myoclonus, spasticity), and neuropsychiatric symptoms (e.g. depression, cognitive dysfunction) may occur in the course of the disease and can severely impair patients' quality of live. To date no causal therapy is available and therefore symptomatic treatment plays a pivotal role in patient care...
October 27, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29103137/microvascular-decompression-for-glossopharyngeal-neuralgia-a-retrospective-analysis-of-228-cases
#11
Lei Xia, Yong-Sheng Li, Ming-Xing Liu, Jun Zhong, Ning-Ning Dou, Bin Li, Shi-Ting Li
BACKGROUND: Glossopharyngeal neuralgia (GPN) is an uncommon craniofacial pain syndrome caused by neurovascular conflict. Compared to trigeminal neuralgia or hemifacial spasm, the incidence of GPN was very low. Until now, little is known about the long-term outcome following microvascular decompression (MVD) process. METHODS: Between 2006 and 2016, 228 idiopathic GPN patients underwent MVD in our department. Those cases were retrospectively reviewed with emphasis on intraoperative findings and long-term postoperative outcomes...
November 4, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29099286/fdg-pet-in-creutzfeldt-jakob-disease-analysis-of-clinical-pet-correlation
#12
Dimitri Renard, Giovanni Castelnovo, Laurent Collombier, Eric Thouvenot, Vincent Boudousq
OBJECTIVE: To assess the relationship between clinical pattern and cerebral glucose metabolism on [18F]fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET) in Creutzfeldt-Jakob disease (CJD). METHODS: Predefined clinical signs (ataxia, visual, pyramidal, myoclonus, limb apraxia, limb dystonia, sensory, parkinsonism, and corticobasal syndrome [CBS]) and FDG-PET data were assessed in consecutive CJD patients. Two types of statistical parametric mapping (SPM) analyses, using stringent level of significance p<0...
November 3, 2017: Prion
https://www.readbyqxmd.com/read/29097081/paraneoplastic-autoimmune-movement-disorders
#13
Thien Thien Lim
PURPOSE OF REVIEW: To provide an overview of paraneoplastic autoimmune disorders presenting with various movement disorders. RECENT FINDINGS: The spectrum of paraneoplastic autoimmune disorders has been expanding with the discovery of new antibodies against cell surface and intracellular antigens. Many of these paraneoplastic autoimmune disorders manifest as a form of movement disorder. With the discovery of new neuronal antibodies, an increasing number of idiopathic or neurodegenerative movement disorders are now being reclassified as immune-mediated movement disorders...
October 13, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29095328/c9orf72-intermediate-repeat-expansion-in-a-patient-with-psychiatric-disorders-and-progressive-cerebellar-ataxia
#14
Mario Meloni, Rita Farris, Paolo Solla, Marcello M Mascia, Francesco Marrosu, Antonino Cannas
INTRODUCTION: Large expansions of the noncoding GGGGCC repeat (more than 30) in the first intron of the C9ORF72 gene have been demonstrated to cause amyotrophic lateral sclerosis and frontotemporal dementia. Recent papers have investigated the possible pathogenic role and associated clinical phenotypes of hexanucleotide expansions with intermediate repeat lengths ranging between 20 and 29 repeats. CASE REPORT: We report a case of a 71-year-old Sardinian female patient with a long history of psychiatric disorders such as mixed anxiety-depressive disorder associated with somatization disorder and histrionic personality who developed a slowly progressive cerebellar syndrome, mild cognitive impairment, pyramidal signs, and rapid eye movement sleep behavior disorder with imaging abnormalities on the DaTSCAN single-photon emission computed tomography indicating an alteration in the presynaptic dopaminergic system...
November 2017: Neurologist
https://www.readbyqxmd.com/read/29093415/a-case-of-paraneoplastic-cerebellar-degeneration-and-lambert-eaton-myasthenic-syndrome-associated-with-neuroendocrine-carcinoma-of-the-oropharynx
#15
Junji Takasugi, Munehisa Shimamura, Toru Koda, Toshihiro Kishikawa, Atsushi Hanamoto, Hidenori Inohara, Kazuaki Sato, Eiichi Morii, Masakatsu Motomura, Manabu Sakaguchi, Yuji Nakatsuji, Hideki Mochizuki
Paraneoplastic cerebellar degeneration and Lambert-Eaton myasthenic syndrome (PCD-LEMS) are usually associated with small-cell lung carcinoma (SCLC). PCD-LEMS with extrapulmonary non-SCLC tumors; however, has not been previously reported. A 78-year-old man presented with dysarthria, dysphagia, staggering gait, and lower extremity muscle fatigue. He was diagnosed with PCD-LEMS associated with neuroendocrine carcinoma of the oropharynx, based on the histological findings of the biopsy, the existence of antibodies against P/Q-type voltage-gated calcium channels, and an incremental response of the compound muscle action potentials during repetitive nerve stimulation tests...
November 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29093402/acute-cerebellar-ataxia-associated-with-anti-glutamic-acid-decarboxylase-antibodies-mimicking-miller-fisher-syndrome-a-case-report
#16
Yoshitsugu Nakamura, Hideto Nakajima, Takafumi Hosokawa, Kazushi Yamane, Shimon Ishida, Fumiharu Kimura
We herein report the case of a 53-year-old man with cerebellar ataxia with anti-glutamic acid decarboxylase antibody (GAD-Ab) who mimicked Miller Fisher syndrome (MFS). He developed ophthalmoplegia, diplopia, and gait ataxia for one week. The serum and CSF GAD-Ab titers were greatly increased, and the GAD-Ab index suggesting intrathecal antibody synthesis was elevated, while GQ1b-Ab was negative. After steroid pulse therapy and following prednisolone, his symptoms dramatically improved over the course of 11 months with the simultaneous decline of GAD-Ab titers...
November 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29090527/novel-pregnancy-triggered-episodes-of-capos-syndrome
#17
Irene J Chang, Margaret P Adam, Suman Jayadev, Thomas D Bird, Niranjana Natarajan, Ian A Glass
Cerebellar ataxia, areflexia, pes cavus, optic atrophy, and sensorineural hearing loss (CAPOS) syndrome (OMIM# 601338) is a rare autosomal dominant disorder characterized by episodic, fever-induced ataxic encephalopathy in childhood with residual symptoms. All identified patients have the same heterozygous missense variant c.2452G>A (p.Glu818Lys) in the ATP1A3 gene, encoding Na(+) /K(+) ATPase α3. We describe a large CAPOS pedigree with three generations of affected members, the first ascertained in the United States...
November 1, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29089158/cerebellar-ataxia-with-neuropathy-and-vestibular-areflexia-syndrome-canvas
#18
Masakatsu Taki, Takashi Nakamura, Hiraku Matsuura, Tatsuhisa Hasegawa, Hirofumi Sakaguchi, Kanako Morita, Ryotaro Ishii, Ikuko Mizuta, Takashi Kasai, Toshiki Mizuno, Shigeru Hirano
Cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome (CANVAS) is a novel ataxic disorder consisting of the triad of cerebellar impairment, bilateral vestibular hypofunction, and a somatosensory deficit. We report the first Japanese case of CANVAS. The patient is a 68-year-old Japanese male. He was referred to our university for further evaluation of progressive gait disturbance and ataxia. He exhibited horizontal gaze-evoked nystagmus and sensory deficit. Nerve conduction studies showed sensory neuronopathy...
October 28, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29084063/central-vertigo
#19
Jeong-Yoon Choi, Seung-Han Lee, Ji-Soo Kim
PURPOSE OF REVIEW: This review considers recent advances in central vertigo in terms of clinical and laboratory features and pathophysiology. RECENT FINDINGS: Strokes presenting dizziness-vertigo are more likely to be associated with a misdiagnosis in the emergency setting. The risk of future strokes after discharge is higher in patients diagnosed with peripheral vertigo than in control patients. Strokes and transient ischemic attacks account for one-quarter of acute transient vestibular syndrome...
October 27, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29081935/clinical-heterogeneity-in-a-family-with-dkc1-mutation-dyskeratosis-congenita-and-hoyeraal-hreidarsson-syndrome-in-first-cousins
#20
Cristina Olivieri, Anna Mondino, Matteo Chinello, Alessandra Risso, Enrico Finale, Marina Lanciotti, Andrea Guala
Dyskeratosis congenita (DC) is an inherited bone marrow failure disorder characterized by mucocutaneous features (skin pigmentation, nail dystrophy and oral leukoplakia), pulmonary fibrosis, hematologic and solid malignancies. Its severe form, recognized as Hoyeraal-Hreidarsson syndrome (HHS), also includes cerebellar hypoplasia, microcephaly, developmental delay and prenatal growth retardation. In literature phenotypic variability among DC patients sharing the same mutation is wellknown. To our knowledge this report describes for the first time a family of DC patients, characterized by a member with features of classic DC and another one with some features of HHS, both with the same mutation in DKC1...
October 6, 2017: Pediatric Reports
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