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Pediatric mri

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https://www.readbyqxmd.com/read/29777895/asymmetry-of-cerebral-peduncles-for-predicting-motor-function-restoration-in-young-patients-before-hemispherectomy
#1
Xiu-Yu Du, Si-Chang Chen, Yu-Guang Guan, Jing-Jing Gu, Meng Zhao, Tian-Fu Li, Jun-Hong Pan, Guo-Ming Luan
OBJECTIVE: Hemispherectomy has been successfully used for medically intractable epilepsy patients. However, it is difficult to predict postoperative motor function. The aim of the present study was to analyze whether the preoperative asymmetry of cerebral peduncles could be used to predict motor function restoration before hemispherectomy for young patients with medically intractable epilepsy. METHODS: The clinical record and MRI data of 53 patients were retrospectively analyzed...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777892/surgically-treated-de-novo-cervico-medullary-arachnoid-cyst-in-a-symptomatic-adult-patient
#2
William Clifton, Gazanfar Rahmathulla, Kourosh Tavanaiepour, Dunbar Alcindor, George Jakubek, Daryoush Tavanaiepour
Arachnoid cysts are a relatively common finding in adult patients, especially with the advent of advanced imaging techniques. The overall incidence ranges from 1-2%, and the majority are clinically silent1,2 . Arachnoid cysts are postulated to arise by congenital anomalies or trauma1 . De novo formation of arachnoid cysts has been reported, but is exceptionally rare and mostly found in the pediatric population after head trauma3-5 . There have only been two reported cases of symptomatic de novo arachnoid cyst formation in adult patients to date, both with histories of head trauma6,7 ...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777883/atypical-presentation-of-giant-aneurysm-in-a-pediatric-patient-with-duane-syndrome
#3
Chao-Hung Kuo, Lynn B McGrath, Joseph A Carnevale, Neena I Marupudi, Jeffery G Ojemann, Richard G Ellenbogen, Anthony C Wang
BACKGROUND: Duane syndrome is a congenital eye movement disorder characterized by congenital malformation of the abducens nucleus. Thrombogenic conditions during development may lead to vascular anomalies in Duane syndrome, however, the presence of a giant aneurysm in this patient population is a rarely documented phenomenon. CASE DESCRIPTION: We reported a case of a large cerebral aneurysm in a pediatric patient with Duane syndrome, and performed a review of the literatures to identify other potential cases and associations...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29776891/chronic-recurrent-multifocal-osteomyelitis-in-pediatrics-a-diagnostic-challenge
#4
N Roig-Abraham, M Méndez-Hernández, M Martínez-Morillo
Chronic recurrent multifocal osteomyelitis (CRMO) is an autoinflammatory disease that presents with aseptic bone inflammation and can be accompanied by multisystemic symptoms. We present the case of a 14-year-old male with a 2-week history of pain located at the tibial metaphysis and fever. X-ray revealed a lytic lesion in the tibial metaphysis. MRI revealed an intramedullary bone lesion with perilesional bone oedema. CT-guided biopsy discounted malignancy and microbiological cultures were negative. The patient's symptoms and fever worsened after the biopsy; therefore antibiotherapy was commenced for a suspected superinfection...
May 15, 2018: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29775132/evaluation-of-lateral-atlantodental-interval-asymmetry-in-the-pediatric-age-group-normative-values
#5
Stephen K Mendenhall, Andrew Huh, Janit Pandya, Vincent Alentado, Karl Balsara, Chang Ho, Andrew Jea
OBJECTIVE The revelation of normative radiographic measurements for the developing pediatric spine is incomplete. The purpose of this analysis was to determine the normal range of asymmetry of the lateral atlantodental interval (LADI) and define age- and sex-related differences. METHODS A total of 3072 children aged 0-18 years who underwent CT scanning of the cervical spine were identified at Riley Hospital for Children between 2005 and 2017. Patients were stratified by sex and age (in years) into 36 cohorts...
May 18, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29774098/establishment-of-primary-cell-culture-and-an-intracranial-xenograft-model-of-pediatric-ependymoma-a-prospect-for-therapy-development-and-understanding-of-tumor-biology
#6
Lorena Favaro Pavon, Tatiana Tais Sibov, Silvia Regina Caminada de Toledo, Daniela Mara de Oliveira, Francisco Romero Cabral, Jean Gabriel de Souza, Pamela Boufleur, Luciana C Marti, Jackeline Moraes Malheiros, Edgar Ferreira da Cruz, Fernando F Paiva, Suzana M F Malheiros, Manoel A de Paiva Neto, Alberto Tannús, Sérgio Mascarenhas de Oliveira, Nasjla Saba Silva, Andrea Maria Cappellano, Antonio Sérgio Petrilli, Ana Marisa Chudzinski-Tavassi, Sérgio Cavalheiro
Background: Ependymoma (EPN), the third most common pediatric brain tumor, is a central nervous system (CNS) malignancy originating from the walls of the ventricular system. Surgical resection followed by radiation therapy has been the primary treatment for most pediatric intracranial EPNs. Despite numerous studies into the prognostic value of histological classification, the extent of surgical resection and adjuvant radiotherapy, there have been relatively few studies into the molecular and cellular biology of EPNs...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773567/balanced-steady-state-free-precession-sequence-ciss-fiesta-3d-driven-equilibrium-radiofrequency-reset-pulse-increases-the-diagnostic-yield-for-spinal-drop-metastases-in-children-with-brain-tumors
#7
K Buch, P Caruso, D Ebb, S Rincon
BACKGROUND AND PURPOSE: Identification of spinal drop metastases is important in the staging and management of pediatric patients with primary brain tumors. Our aim was to assess the diagnostic utility of the balanced steady-state free precession (bSSFP) sequence (CISS/FIESTA/3D driven equilibrium radiofrequency reset pulse) for the detection of spinal drop metastases in pediatric patients with primary intracranial tumors. MATERIALS AND METHODS: This was a retrospective study of 44 pediatric patients with primary intracranial tumors undergoing MR imaging spine evaluation for drop metastases before radiation treatment...
May 17, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29768298/orbital-cellulitis-when-computed-tomography-imaging-is-falsely-reassuring
#8
Arsany Basily, Sasha Mansukhani, Andrew Anzeljc, Peter Gutierrez
An 8-year-old male presented to the pediatric emergency department with subjective fever, blurry vision, and left eye pain. On physical examination, there was mild left lower lid erythema and a subtle left eye elevation deficit. Computed tomography demonstrated preseptal soft tissue swelling without orbital involvement; however, there was varying amounts of paranasal sinus opacification. Despite the negative scan, a diagnosis of orbital cellulitis associated with sinusitis was made and treatment with intravenous antibiotics was initiated...
May 15, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29768295/requirement-for-head-magnetic-resonance-imaging-in-children-who-present-to-the-emergency-department-with-acute-nontraumatic-visual-disturbance
#9
Jeong-Yong Lee, Jung-Heon Kim, Hyung-Rae Cho, Jong-Seung Lee, Jeong-Min Ryu, Mi-Sun Yum, Tae-Sung Ko
OBJECTIVES: This study aimed to investigate the clinical features and head magnetic resonance imaging (MRI) findings in children who presented to the emergency department with acute nontraumatic visual disturbance and to study related clinical factors for discovering positive lesions on head MRI. METHODS: We performed a retrospective study of 1-month to 15-year-old children who underwent head MRI as an evaluation for acute nontraumatic visual disturbance as a chief complaint in our pediatric emergency department between March 2010 and March 2015...
May 15, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29766265/surgery-for-subependymal-giant-cell-astrocytomas-in-children-with-tuberous-sclerosis-complex
#10
Martine Fohlen, Sarah Ferrand-Sorbets, Olivier Delalande, Georg Dorfmüller
OBJECTIVE: Subependymal giant cell astrocytomas (SEGAs) are low-grade intraventricular glial tumors that develop in 10-15% of patients with tuberous sclerosis complex; they often cause hydrocephalus and are potentially accessible to a surgical treatment. Our aim is to evaluate morbidity and results after surgery in symptomatic and asymptomatic patients. METHOD: We present a retrospective series of 18 pediatric patients operated on for SEGA between 2006 and 2016 at our institution...
May 15, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29766250/juvenile-idiopathic-arthritis-the-role-of-imaging-from-a-rheumatologist-s-perspective
#11
REVIEW
Clara Malattia, Nikolay Tzaribachev, J Merlijn van den Berg, Silvia Magni-Manzoni
Alongside recent advances in treatment strategies for juvenile idiopathic arthritis (JIA), paediatric rheumatologists have taken increasing interest in the use of imaging. Magnetic resonance imaging (MRI) and musculoskeletal ultrasound, by providing more detailed information on disease activity than clinical examination and conventional radiography (CR), have become helpful diagnostic and managerial tools. The growing skeleton, however, with changing appearances over time, is still challenging in the establishment of valid scoring systems for pathological changes...
June 2018: Pediatric Radiology
https://www.readbyqxmd.com/read/29764855/magnetic-resonance-imaging-of-tumor-associated-macrophages-clinical-translation
#12
Maryam Aghighi, Ashok Joseph Theruvath, Anuj Pareek, Laura Pisani, Raphael Alford, Anne Monika Muehe, Tarsheen K Sethi, Samantha J Holdsworth, Florette K Hazard, Dita Gratzinger, Sandra Luna-Fineman, Ranjana H Advani, Sheri L Spunt, Heike E Daldrup-Link
PURPOSE: Tumor associated macrophages (TAM) in malignant tumors have been linked to tumor aggressiveness and represent a new target for cancer immunotherapy. As new TAM-targeted immunotherapies are entering clinical trials, it is important to detect and quantify TAM with non-invasive imaging techniques. The purpose of this study was to determine if ferumoxytol-enhanced MRI can detect TAM in lymphomas and bone sarcomas of pediatric patients and young adults. EXPERIMENTAL DESIGN: In a first-in-patient , IRB-approved prospective clinical trial, 25 pediatric and young adult patients with lymphoma or bone sarcoma underwent ferumoxytol-enhanced MRI...
May 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29757724/neuroimaging-findings-of-organic-acidemias-and-aminoacidopathies
#13
Nihaal Reddy, Sonia F Calloni, Hilary J Vernon, Eugen Boltshauser, Thierry A G M Huisman, Bruno P Soares
Although individual cases of inherited metabolic disorders are rare, overall they account for a substantial number of disorders affecting the central nervous system. Organic acidemias and aminoacidopathies include a variety of inborn errors of metabolism that are caused by defects in the intermediary metabolic pathways of carbohydrates, amino acids, and fatty acid oxidation. These defects can lead to the abnormal accumulation of organic acids and amino acids in multiple organs, including the brain. Early diagnosis is mandatory to initiate therapy and prevent permanent long-term neurologic impairments or death...
May 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29754204/diagnosing-arvc-in-pediatric-patients-applying-the-revised-task-force-criteria-importance-of-imaging-12-lead-ecg-and-genetics
#14
Michael Steinmetz, Ulrich Krause, Peter Lauerer, Frank Konietschke, Randolph Aguayo, Christian Oliver Ritter, Andreas Schuster, Joachim Lotz, Thomas Paul, Wieland Staab
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a potentially lethal disease that is well described in adults. In pediatric patients, however, identification of patients at risk of adverse events of ARVC remains a challenge. We aimed to determine which criteria of the revised Task Force Criteria (rTFC), alone or combined, have an impact on diagnosis of ARVC when compared to disease-specific genetic mutations in pediatric patients ≤ 18 years. Between September 2010 and December 2013, 48 consecutive young patients ≤ 18 years of age (mean 14, range of 12...
May 12, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29749883/rapid-sequence-brain-magnetic-resonance-imaging-for-chiari-i-abnormality
#15
James Pan, Jennifer L Quon, Eli Johnson, Bryan Lanzman, Anjeza Chukus, Allen L Ho, Michael S B Edwards, Gerald A Grant, Kristen W Yeom
OBJECTIVE Fast magnetic resonance imaging (fsMRI) sequences are single-shot spin echo images with fast acquisition times that have replaced CT scans for many conditions. Introduced as a means of evaluating children with hydrocephalus and macrocephaly, these sequences reduce the need for anesthesia and can be more cost-effective, especially for children who require multiple surveillance scans. However, the role of fsMRI has yet to be investigated in evaluating the posterior fossa in patients with Chiari I abnormality (CM-I)...
May 11, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29748700/myocardial-stress-perfusion-mri-experience-in-pediatric-and-young-adult-patients-following-arterial-switch-operation-utilizing-regadenoson
#16
Cory V Noel, Ramkumar Krishnamurthy, Prakash Masand, Brady Moffett, Tobiash Schlingmann, Benjamin Y Cheong, Rajesh Krishnamurthy
Dextro-transposition of the great arteries (D-TGA) is one of the most common cyanotic heart lesions. The arterial switch operation (ASO) is the preferred surgical palliation for D-TGA. One of the primary concerns following the ASO is complications arising from the coronary artery transfer. There is a need for myocardial perfusion assessment within ASO patients. There is no report on the utility of regadenoson as a stress agent in children following ASO. Our objective was to observe the safety and feasibility of regadenoson as a pharmacologic stressor for perfusion cardiac MR in a pilot cohort of pediatric and young-adult patients who have undergone ASO...
May 10, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29746364/management-and-outcome-of-pediatric-patients-with-transient-small-bowel-small-bowel-intussusception
#17
Jennifer E Melvin, Noel S Zuckerbraun, Chijindu R Nworgu, Kevin P Mollen, Andre D Furtado, Mioara D Manole
OBJECTIVE: The aim of this study was to assess the management and outcomes of healthy pediatric patients diagnosed radiologically with transient and benign small bowel-small bowel intussusception (SB-SBI). METHODS: Retrospective cohort study of healthy patients 0 to 18 years of age who presented to a children's hospital emergency department from January 1, 2005, to June 30, 2015, and had transient and benign SB-SBI characterized by spontaneous resolution (ie, transient), diameter of less than 2...
May 5, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29739092/satb2-associated-syndrome-a-case-report-of-a-de-novo-nonsense-mutation-in-satb2-from-china-and-review-of-literature
#18
Hong-Yan Lv, Rui-Jiang Zheng, Qiu-Li Wang, Peng-Shun Ren, Lin-Hong Jin, Xiu-Ling Gu, Lian-Xiang Li
BACKGROUND: To study the clinical and genetic features from a Chinese child with SATB2-associated syndrome (SAS) and review of literature. METHODS: The girl, 2 years 3 months old, is admitted to the Department of Pediatric Rehabilitation in our hospital. This patient has mental retardation, language development disorder, cleft palate II0, micrognathia, malocclusion, irritability and bilateral oblique palpebral fissure as a clinical manifestation and is treated for 3 months...
April 1, 2018: Clinical Laboratory
https://www.readbyqxmd.com/read/29738718/bilateral-thalamocortical-abnormalities-in-focal-cortical-dysplasia
#19
Arthur Rezayev, Henry A Feldman, Jacob Levman, Emi Takahashi
BACKGROUND AND PURPOSE: Focal cortical dysplasia (FCD), a congenital malformation of the neocortex and one of the most common causes of medication resistant epilepsy in pediatric populations, can be studied noninvasively by diffusion tensor imaging (DTI). The present study aimed to quantify changes in the thalamus and thalamocortical pathways with respect to fractional anisotropy (FA), apparent diffusion coefficient (ADC), volume, and other common measures. MATERIALS & METHODS: The study quantified data collected from pediatric patients with a prior diagnosis of FCD; 75 patients (35 females, 10...
May 5, 2018: Brain Research
https://www.readbyqxmd.com/read/29738554/repeated-mild-traumatic-brain-injury-can-cause-acute-neurologic-impairment-without-overt-structural-damage-in-juvenile-rats
#20
Alicia Meconi, Ryan C Wortman, David K Wright, Katie J Neale, Melissa Clarkson, Sandy R Shultz, Brian R Christie
Repeated concussion is becoming increasingly recognized as a serious public health concern around the world. Moreover, there is a greater awareness amongst health professionals of the potential for repeated pediatric concussions to detrimentally alter the structure and function of the developing brain. To better study this issue, we developed an awake closed head injury (ACHI) model that enabled repeated concussions to be performed reliably and reproducibly in juvenile rats. A neurological assessment protocol (NAP) score was generated immediately after each ACHI to help quantify the cumulative effects of repeated injury on level of consciousness, and basic motor and reflexive capacity...
2018: PloS One
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