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https://www.readbyqxmd.com/read/28806542/outcome-of-patients-with-lung-adenocarcinoma-with-transformation-to-small-cell-lung-cancer-following-tyrosine-kinase-inhibitors-treatment-a-systematic-review-and-pooled-analysis
#1
REVIEW
Elisa Roca, Cristina Gurizzan, Vito Amoroso, William Vermi, Vittorio Ferrari, Alfredo Berruti
BACKGROUND: Lung adenocarcinoma can transform to small-cell lung cancer (SCLC) when resistance to tyrosine kinase inhibitors (TKIs) develops. This phenomenon has repeatedly been described in several case reports and small patient series. The characteristics and treatment outcomes of this population, however, have not been comprehensively reported. METHODS: We performed a systematic review of the published literature to obtain explorative information on the clinical and pathological features and prognosis of the reported cases...
July 31, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28804448/erythropoietin-protects-against-lipopolysaccharide-induced-microgliosis-and-abnormal-granule-cell-development-in-the-ovine-fetal-cerebellum
#2
Annie R A McDougall, Nadia Hale, Sandra Rees, Richard Harding, Robert De Matteo, Stuart B Hooper, Mary Tolcos
Erythropoietin (EPO) ameliorates inflammation-induced injury in cerebral white matter (WM). However, effects of inflammation on the cerebellum and neuroprotective effects of EPO are unknown. Our aims were to determine: (i) whether lipopolysaccharide (LPS)-induced intrauterine inflammation causes injury to, and/or impairs development of the cerebellum; and (ii) whether recombinant human EPO (rhEPO) mitigates these changes. At 107 ± 1 days gestational age (DGA; ~0.7 of term), fetal sheep received LPS (~0.9 μg/kg; i...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28803247/potential-gender-related-aging-processes-occur-earlier-and-faster-in-the-vermis-of-patients-with-bipolar-disorder-an-mri-study
#3
Marta Serati, Giuseppe Delvecchio, Giulia Orsenigo, Cinzia Perlini, Marco Barillari, Mirella Ruggeri, Alfredo Carlo Altamura, Marcella Bellani, Paolo Brambilla
BACKGROUND: In the last decades, there has been increasing interest in investigating the role of the vermis in bipolar disorder (BD), especially because of its involvement in cognitive processes. The main aims of this study were to explore the integrity of the vermis and elucidate the role of demographic and clinical variables on vermis volumes in BD patients, stratified according to gender. METHODS: T1-weighted images were obtained for 38 BD patients and 38 healthy controls using a 1...
August 12, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28801826/brain-activity-changes-in-somatosensory-and-emotion-related-areas-with-medial-patellofemoral-ligament-deficiency
#4
Masaru Kadowaki, Taku Tadenuma, Nobuyuki Kumahashi, Yuji Uchio
BACKGROUND: Patellar instability with medial patellofemoral ligament (MPFL) deficiency is a common sports injury among young people. Although nonoperative and surgical treatment can provide stability of the patella, patients often have anxiety related to the knee. We speculate that neural dysfunction may be related to anxiety in these patients; however, the mechanism in the brain that generates this anxiety remains unknown. QUESTIONS/PURPOSES: (1) How does brain activity in patients with MPFL deficiency change in the areas related to somatic sensation against lateral shift of the patella? (2) How does patella instability, which can lead to continuous fear or apprehension for dislocation, influence brain activity in the areas related to emotion? METHODS: Nineteen patients with MPFL deficiency underwent surgical reconstruction in our hospital from April 2012 to March 2014...
August 11, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28792528/microstructural-analyses-of-the-posterior-cerebellar-lobules-in-relapsing-onset-multiple-sclerosis-and-their-implication-in-cognitive-impairment
#5
Amandine Moroso, Aurélie Ruet, Delphine Lamargue-Hamel, Fanny Munsch, Mathilde Deloire, Pierrick Coupé, Julie Charré-Morin, Aurore Saubusse, Jean-Christophe Ouallet, Vincent Planche, Thomas Tourdias, Vincent Dousset, Bruno Brochet
BACKGROUND: The posterior cerebellar lobules seem to be the anatomical substrate of cognitive cerebellar processes, but their microstructural alterations in multiple sclerosis (MS) remain unclear. OBJECTIVES: To correlate diffusion metrics in lobules VI to VIIIb in persons with clinically isolated syndrome (PwCIS) and in cognitively impaired persons with MS (CIPwMS) with their cognitive performances. METHODS: Sixty-nine patients (37 PwCIS, 32 CIPwMS) and 36 matched healthy subjects (HS) underwent 3T magnetic resonance imaging, including 3D T1-weighted and diffusion tensor imaging (DTI)...
2017: PloS One
https://www.readbyqxmd.com/read/28761539/extensive-intracranial-calcification-of-pseudo-torch-syndrome-with-features-of-dandy-walker-malformation
#6
Ashis Patnaik, Sudhansu Sekhar Mishra, Srikanta Das
Pseudo-TORCH syndrome or congenital infection-like syndrome is a group of conditions which resemble congenital infections such as those caused by toxoplasmosis, rubella, cytomegalovirus (CMV), herpes (TORCH) group of organisms, clinico-radiologically, but serological tests are negative for the organisms. One of the variety shows features such as microcephaly, extensive intracranial calcification showing gross resemblance to congenital CMV infection, making its other name as microcephaly intracranial calcification syndrome (MICS)...
July 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28728157/3-d-volume-assessment-of-the-corpus-callosum-and-cerebellar-vermis-using-various-volume-acquisition-and-post-processing-protocols
#7
Veronika Frisova, Martina Srutova, Jon Hyett
OBJECTIVES: To determine which 3-D techniques are most effective for "real time" prenatal ultrasound assessment of the corpus callosum and cerebellar vermis. METHODS: A prospective study involving 100 consecutive normal singleton pregnancies attending routine anomaly scan at 19-23 weeks' gestation. Midsagittal structures of the fetal brain were assessed using six different methods of 3-D image acquisition and three post-processing techniques. The quality of the resulting images were then assessed and scored by a second operator...
July 21, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28724585/effect-of-gluten-free-diet-on-cerebellar-mr-spectroscopy-in-gluten-ataxia
#8
Marios Hadjivassiliou, Richard A Grünewald, David S Sanders, Priya Shanmugarajah, Nigel Hoggard
OBJECTIVE: To evaluate the effect of gluten free diet (GFD) on magnetic resonance spectroscopy (MRS) of the cerebellum in patients with gluten ataxia (GA). METHODS: Patients with GA, defined as sporadic ataxia with positive antigliadin antibodies in the absence of an alternative cause, routinely undergo MRS at baseline and after the introduction of GFD as part of their clinical care. We present our experience of the effect of GFD on MRS of the cerebellum. RESULTS: A total of 117 consecutive patients with GA were included in this report...
July 19, 2017: Neurology
https://www.readbyqxmd.com/read/28698085/modified-park-bench-position-for-superior-vermian-arteriovenous-malformations-and-dural-fistulas
#9
Rouzbeh Motiei-Langroudi, Christoph J Griessenauer, Abdulrahman Y Alturki, Paul H Chapman, Christopher S Ogilvy, Ajith J Thomas
OBJECTIVES: Arteriovenous malformations (AVMs) of the superior cerebellar vermis and dural arteriovenous fistulas (dAVFs) draining into tentorial venous structures are uncommon lesions. Various surgical approaches and positions have been used to gain access. METHODS: We present our experience with 10 superior vermian AVMs and 3 dAVFs with retrograde transverse sinus or torcular drainage, each resected through a supracerebellar infratentorial approach in park bench position with modification of the neck and head position (vertex tilt-up instead of down)...
July 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28691844/the-impact-of-acute-stress-on-the-neural-processing-of-food-cues-in-bulimia-nervosa-replication-in-two-samples
#10
Brittany Collins, Lauren Breithaupt, Jennifer E McDowell, L Stephen Miller, James Thompson, Sarah Fischer
The impact of acute stress on the neural processing of food cues in bulimia nervosa (BN) is unknown, despite theory that acute stress decreases cognitive control over food and hence increases vulnerability to environmental triggers for binge eating. Thus, the goals of this manuscript were to explore the impact of acute stress on the neural processing of food cues in BN. In Study 1, 10 women with Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5; American Psychiatric Association, 2013) BN and 10 healthy controls participated in an fMRI paradigm examining the neural correlates of visual food cue processing pre and post an acute stress induction...
July 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28689288/vermi-modification-of-ruminant-excreta-using-eisenia-fetida
#11
Kavita Sharma, Vinod Kumar Garg
Present investigation aims on the vermicomposting of the excreta of different ruminants to convert it into manure employing earthworm species, Eisenia fetida. A total of 11 feedstocks (FS1-FS11) with different ratios were prepared from the excreta of different ruminants, viz., sheep, cow, buffalo, and goat. Semi-composted feedstocks were fed to E. fetida for 90 days under laboratory conditions. Vermicomposting enhanced the nutrient contents of ruminant excreta and converted it into odor-free and homogenous vermicompost...
July 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28689261/investigation-of-cognitive-circuits-using-steady-state-cerebral-blood-volume-and-diffusion-tensor-imaging-in-patients-with-mild-cognitive-impairment-following-electrical-injury
#12
Chang-Hyun Park, Cheong Hoon Seo, Myung Hun Jung, So Young Joo, Soyeon Jang, Ho Young Lee, Suk Hoon Ohn
PURPOSE: We utilized cerebral blood volume (CBV) magnetic resonance imaging and diffusion tensor imaging (DTI) to investigate changes in cognitive networks in patients experiencing cognitive dysfunction following electrical injury. METHODS: Cognitive function was assessed across various domains, including attention, verbal memory, executive function, and language. Depressive symptoms were also evaluated. CBV maps and DTI measures were obtained from 24 patients (age, 41...
July 8, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28686592/can-cerebellar-and-brainstem-apparent-diffusion-coefficient-adc-values-predict-neuromotor-outcome-in-term-neonates-with-hypoxic-ischemic-encephalopathy-hie-treated-with-hypothermia
#13
Gemma Arca-Díaz, Thomas J Re, Marie Drottar, Carmen Rosa Fortuno, Katyucia De Macedo-Rodrigues, Kiho Im, Josep Figueras-Aloy, Patricia Ellen Grant
BACKGROUND AND PURPOSE: To determine the apparent diffusion coefficient (ADC) in specific infratentorial brain structures during the first week of life and its relation with neuromotor outcome for Hypoxic-ischemic encephalopathy (HIE) in term neonates with and without whole-body hypothermia (TH). MATERIALS AND METHODS: We retrospectively evaluated 45 MRI studies performed in the first week of life of term neonates born between 2010 and 2013 at Boston Children's Hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28680651/gray-matter-density-loss-in-essential-tremor-a-lobule-by-lobule-analysis-of-the-cerebellum
#14
Jonathan P Dyke, Eric Cameron, Nora Hernandez, Ulrike Dydak, Elan D Louis
BACKGROUND: The pathophysiological basis for essential tremor (ET) remains unclear, although evidence increasingly links it to a disordered and perhaps degenerative cerebellum. Prior imaging studies have treated the cerebellum en bloc. Our hypothesis was that regional differences in cerebellar gray matter (GM) density may better distinguish ET cases from controls. Forty-seven ET cases and 36 control subjects were imaged using magnetic resonance imaging (MRI). The cerebellum was segmented into 34 lobes using a Spatially Unbiased Infra-Tentorial Template (SUIT) atlas within the Statistical Parametric Mapping (SPM) analysis package...
2017: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/28677066/tubulin-related-cerebellar-dysplasia-definition-of-a-distinct-pattern-of-cerebellar-malformation
#15
Romina Romaniello, Filippo Arrigoni, Elena Panzeri, Andrea Poretti, Alessia Micalizzi, Andrea Citterio, Maria Francesca Bedeschi, Angela Berardinelli, Margherita Cusmai, Stefano D'Arrigo, Alessandro Ferraris, Annette Hackenberg, Alma Kuechler, Margherita Mancardi, Sara Nuovo, Barbara Oehl-Jaschkowitz, Andrea Rossi, Sabrina Signorini, Frank Tüttelmann, Dagmar Wahl, Ute Hehr, Eugen Boltshauser, Maria Teresa Bassi, Enza Maria Valente, Renato Borgatti
OBJECTIVE: To determine the neuroimaging pattern of cerebellar dysplasia (CD) and other posterior fossa morphological anomalies associated with mutations in tubulin genes and to perform clinical and genetic correlations. METHODS: Twenty-eight patients harbouring 23 heterozygous pathogenic variants (ten novel) in tubulin genes TUBA1A (n = 10), TUBB2B (n = 8) or TUBB3 (n = 5) were studied by a brain MRI scan performed either on a 1.5 T (n = 10) or 3 T (n = 18) MR scanner with focus on the posterior fossa...
July 4, 2017: European Radiology
https://www.readbyqxmd.com/read/28675887/prenatal-imaging-findings-of-pontine-tegmental-cap-dysplasia-report-of-four-cases
#16
Eléonore Blondiaux, Stéphanie Valence, Stéphanie Friszer, Diana Rodriguez, Lydie Burglen, Hubert Ducou le Pointe, Marie Blouet, Catherine Garel
OBJECTIVES: To describe the prenatal imaging findings in pontine tegmental cap dysplasia (PTCD), a rare congenital malformation of the hindbrain so far reported postnatally only and characterized by a typical appearance of the pons with malformations of the vermis and the cerebellar peduncles. METHODS: This retrospective multicenter study retrieved 4 cases of PTCD over a 10-year period. Prenatal ultrasonography and fetal magnetic resonance imaging (MRI) findings were reviewed and compared to postnatal or postmortem data...
July 5, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28673740/forebrain-knock-out-of-torsina-reduces-striatal-free-water-and-impairs-whole-brain-functional-connectivity-in-a-symptomatic-mouse-model-of-dyt1-dystonia
#17
Jesse C DeSimone, Samuel S Pappas, Marcelo Febo, Roxana G Burciu, Priyank Shukla, Luis M Colon-Perez, William T Dauer, David E Vaillancourt
Multiple lines of evidence implicate striatal dysfunction in the pathogenesis of dystonia, including in DYT1, a common inherited form of the disease. The impact of striatal dysfunction on connected motor circuits and their interaction with other brain regions is poorly understood. Conditional knock-out (cKO) of the DYT1 protein torsinA from forebrain cholinergic and GABAergic neurons creates a symptomatic model that recapitulates many characteristics of DYT1 dystonia, including the developmental onset of overt twisting movements that are responsive to antimuscarinic drugs...
October 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28673510/eye-movements-in-essential-tremor-patients-with-parkinsonian-and-cerebellar-signs
#18
Magdalena Wójcik-Pędziwiatr, Elżbieta Mirek, Monika Rudzińska-Bar, Andrzej Szczudlik
Apart from intention tremor essential tremor (ET) patients may display other cerebellar signs, like dysmetria or tandem gait disturbances as well as parkinsonian signs like resting tremor, cogwheel sign, subtle bradykinesia. Previous reports claimed the occurrence of the eye movement abnormalities characteristic for dysfunction of cerebellar dorsal vermis in ET patients with concomitant cerebellar signs. There are no previous reports evaluating the eye movement abnormalities in ET patients with concomitant parkinsonian signs...
May 17, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28660359/non-alcoholic-wernicke-s-encephalopathy-with-cortical-involvement-and-polyneuropathy-following-gastrectomy
#19
Wei-Chia Tsao, Long-Sun Ro, Chiung-Mei Chen, Hong-Chiu Chang, Hung-Chou Kuo
In this study, we present the clinical manifestations, brain magnetic resonance imaging (MRI) and concurrent polyneuropathies in two patients with non-alcoholic Wernicke's encephalopathy (WE) after gastrojejunostomy (Billroth II) anastomosis procedures. These patients developed sub-acute onset of disorientation and disturbance of consciousness following several weeks of poor intake. Peripheral neuropathy of varying severity was noted before and after the onset of WE. Brain MRI of the patients showed cerebellar vermis and symmetric cortical abnormalities in addition to typical WE changes...
June 28, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28653133/dysregulation-of-cerebellar-adrenomedullin-signaling-during-hypertension
#20
Leticia Figueira, Anita Israel
Adrenomedullin (AM) is a peptide involved in blood pressure regulation. AM activates three different receptors, the AM type 1 (AM1), type 2 (AM2), and calcitonin gene-related peptide 1 (CGRP1) receptors. AM triggers several signaling pathways such as adenylyl cyclase (AC), guanylyl cyclase (GC), and extracellular signal-regulated kinases (ERK) and modulates reactive oxygen species (ROS) metabolism. Cerebellar AM, AM-binding sites, and its receptor components are altered during hypertension, although it is unknown if these alterations are associated with changes in AM signaling...
August 2017: Journal of Molecular Neuroscience: MN
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