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PET IN CHILDREN

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https://www.readbyqxmd.com/read/28214165/agenesis-of-the-corpus-callosum-and-aicardi-syndrome-a%C3%A2-neuroimaging-and-clinical-comparison
#1
T Govil-Dalela, A Kumar, R Agarwal, H T Chugani
BACKGROUND: Agenesis of the corpus callosum can occur in individuals with epilepsy, either in isolation or as part of various neurological conditions, such as Aicardi syndrome. In this study, we evaluated the clinical and neuroradiological differences between children with nonsyndromic agenesis of the corpus callosum and those with Aicardi syndrome. METHODS: We evaluated 31 children with epilepsy and agenesis of the corpus callosum (11 males, 20 females), 14 of whom had Aicardi syndrome (all females)...
January 4, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28199138/pediatric-neuroendocrine-carcinoid-tumors-review-of-diagnostic-imaging-findings-and-recent-advances
#2
Andrew J Degnan, Sameh S Tadros, Shannon Tocchio
OBJECTIVE: Although rare, pediatric neuroendocrine tumors including carcinoid tumor have increased in incidence over the past few decades. Despite increased recognition, survival rates have not significantly improved. Earlier detection of these tumors is necessary to improve clinical outcomes. This article discusses imaging approaches for detecting pediatric carcinoid tumors including anatomic imaging methods such as CT and MRI as well as functional imaging methods targeting the somatostatin receptor including (111)In-labeled octreotide and newer (68)Ga-based radiotracers that may hold promise in hybrid PET/CT or PET/MRI...
February 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28194276/a-case-report-of-concurrent-embryonal-rhabdomyosarcoma-and-diffuse-large-b-cell-lymphoma-in-an-adult-without-identifiable-cancer-predisposition
#3
M D Mathias, M V Ortiz, H Magnan, S R Ambati, E K Slotkin, A J Chou, M F Walsh, K Offit, C Moskowitz, A Kentsis, L H Wexler
BACKGROUND: Diffuse large B-cell lymphoma (DLBCL) is the most common form of non-Hodgkin lymphoma. Rhabdomyosarcoma, the most common soft tissue sarcoma of childhood. makes up less than 1% of solid malignancies in adults with around 400 new cases each year in the United States. They have not previously been reported concurrently. CASE PRESENTATION: A 37 year old woman presented with painful enlarging leg mass. Biopsy of the mass was consistent with embryonal rhabdomyosarcoma...
2017: Biomarker Research
https://www.readbyqxmd.com/read/28170340/adrenocortical-neoplasms-in-adulthood-and-childhood-distinct-presentation-review-of-the-clinical-pathological-and-imaging-characteristics
#4
Andréa Farias de Melo-Leite, Paula Condé Lamparelli Elias, Sara Reis Teixeira, Silvio Tucci, Gyl Eanes Barros, Sonir R Antonini, Valdair Francisco Muglia, Jorge Elias
Adrenocortical tumors (ACT) in adulthood and childhood vary in clinical, histopathological, molecular, prognostic, and imaging aspects. ACT are relatively common in adults, as adenomas are often found incidentally on imaging. ACT are rare in children, though they have a significantly higher prevalence in the south and southeast regions of Brazil. In clinical manifestation, adults with ACT present more frequently with glucocorticoid overproduction (Cushing syndrome), mineralocorticoid syndromes (Conn syndrome), or the excess of androgens in women...
February 7, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28161889/airborne-endotoxin-concentrations-in-indoor-and-outdoor-particulate-matter-and-their-predictors-in-an-urban-city
#5
Yoshiko Yoda, Kenji Tamura, Masayuki Shima
Endotoxins are an important biological component of particulate matter, and have been associated with adverse effects on human health. There have been some recent studies on airborne endotoxin concentrations. We collected fine (PM2.5 ) and coarse (PM10-2.5 ) particulate matter twice on weekdays and weekends each for 48 h, inside and outside 55 homes in an urban city in Japan. Endotoxin concentrations in both fractions were measured using the kinetic Limulus Amebocyte Lysate assay. The relationships between endotoxin concentrations and household characteristics were evaluated for each fraction...
February 4, 2017: Indoor Air
https://www.readbyqxmd.com/read/28160320/utility-of-i-124-pet-ct-in-identifying-radioiodine-avid-lesions-in-differentiated-thyroid-cancer-a-systematic-review-and-meta-analysis
#6
REVIEW
Prasanna Santhanam, David Taieb, Lilja Solnes, Wael Marashdeh, Paul W Ladenson
INTRODUCTION: Diagnostic I-123 scans have been shown to underestimate the disease burden in differentiated thyroid cancer (DTC) when compared to I-131 post treatment scans, especially in children and patients who have had prior Radioiodine (RAI) therapy and/or distant metastasis.I-124 PET/CT has been shown to be highly effective in imaging DTC related metastatic disease. METHODS: We performed a systematic review and meta-analysis of studies investigating the sensitivity and specificity of I-124 PET/CT in identifying lesions amenable to RAI therapy as confirmed by I-131 post-treatment scanning...
February 3, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28132716/-18-f-fdg-pet-mri-in-lymphoma-patients
#7
Eva Ferdová, Jiří Ferda, Jan Baxa
The introduction of hybrid PET/MRI imaging using integrated systems into clinical practice has opened up the possibility of reducing the radiation dose from hybrid imaging by eliminating the contribution from computed tomography. Studies comparing the possibilities of PET/CT and PET/MRI imaging demonstrated it is possible to use the advantages of the high contrast resolution of magnetic resonance for soft tissue and bone marrow along with PET records in a quality comparable to PET/CT imaging. The significant feature for PET imaging in Hodgkińs lymphoma is that it is a tissue with high levels of radiopharmaceutical accumulation, which decreases proportionally after successful therapeutic effect, the effect of therapy is assessed using Deauville score system on interim examinations...
January 23, 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28131593/pet-mri-in-children
#8
Sergios Gatidis, Benjamin Bender, Matthias Reimold, Jürgen F Schäfer
During the past decade, combined PET/MRI has been translated from a basic technical concept to a clinical research tool and a clinically applied hybrid imaging modality. Numerous clinical and scientific applications have been proposed for this novel hybrid modality including oncologic, neurologic and cardiovascular imaging. Among these, PET/MRI in children has emerged as a key application, not only due to possible diagnostic advantages but also because of reduced radiation exposure compared to alternative techniques...
January 21, 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28109298/neuroregenerative-potential-of-intravenous-g-csf-and-autologous-peripheral-blood-stem-cells-in-children-with-cerebral-palsy-a-randomized-double-blind-cross-over-study
#9
Wee-Jin Rah, Young-Ho Lee, Jin-Hwa Moon, Hyun-Ju Jun, Hye-Ryeong Kang, Hani Koh, Hye Jung Eom, Ji Young Lee, Young Jun Lee, Ji Young Kim, Yun-Young Choi, Kyeongil Park, Mi Jung Kim, Seung-Hyun Kim
OBJECTIVE: We performed a randomized, double-blind, cross-over study to assess the neuroregenerative potential of intravenous granulocyte colony-stimulating factor (G-CSF) followed by infusion of mobilized peripheral blood mononuclear cells (mPBMCs) in children with cerebral palsy (CP). METHODS: Children with non-severe CP were enrolled in this study. G-CSF was administered for 5 days, then mPBMCs were collected by apheresis and cryopreserved. One month later (M1), recipients were randomized to receive either mPBMCs or a placebo infusion, and these treatment groups were switched at 7 months (M7) and observed for another 6 months (M13)...
January 21, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28109246/sensitivity-of-osteosarcoma-cells-to-hdac-inhibitor-ar-42-mediated-apoptosis
#10
Sridhar Murahari, Aimee L Jalkanen, Samuel K Kulp, Ching-Shih Chen, Jaime F Modiano, Cheryl A London, William C Kisseberth
BACKGROUND: Osteosarcoma (OS) is the most common primary bone tumor in both humans and dogs and is the second leading cause of cancer related deaths in children and young adults. Limb sparing surgery along with chemotherapy has been the mainstay of treatment for OS. Many patients are not cured with current therapies, presenting a real need for developing new treatments. Histone deacetylase (HDAC) inhibitors are a promising new class of anticancer agents. In this study, we investigated the activity of the novel HDAC inhibitor AR-42 in a panel of human and canine OS cell lines...
January 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28094612/student-essays
#11
Krista Barzee
I am proud to say I qualified in adult nursing this year with a 2:1 degree. I managed to achieve this while caring for two children and various pets and working part-time.
January 4, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28081128/radiation-exposure-from-diagnostic-imaging-in-a-cohort-of-pediatric-transplant-recipients
#12
Alexandra Seal, Michael Hawkes, Ravi Bhargava, Michelle Noga, Jutta Preiksaitis, Curtis Mabilangan, Joan Robinson
Recipients of solid organ transplants (SOT) have extensive diagnostic imaging (DI). The purpose of this study was to quantify this exposure. Children from northern Alberta with SOTs at Stollery Children's Hospital, Edmonton, Alberta January 1, 2006, to July 31, 2012, were included. Effective doses of radiation were estimated using published norms for DI performed post-transplant up to October 16, 2014. The 54 eligible children had 6215 DI studies (5628 plain films, 293 computerized tomography (CT) scans, 149 positron emission topography (PET) -CT scans, 47 nuclear medicine scans and 98 cardiac catheterizations)...
2017: PloS One
https://www.readbyqxmd.com/read/28078638/-11-c-methionine-positron-emission-tomography-delineates-non-contrast-enhancing-tumor-regions-at-high-risk-for-recurrence-in-pediatric-high-grade-glioma
#13
John T Lucas, Nick Serrano, Hyun Kim, Xingyu Li, Scott E Snyder, Scott Hwang, Yimei Li, Chia-Ho Hua, Alberto Broniscer, Thomas E Merchant, Barry L Shulkin
We assessed the prognostic utility of (11)C-Methionine positron emission tomography (MET-PET) in pediatric high-grade glioma (HGG). Thirty-one children had 62 MET-PET studies. Segmented tumor volumes from co-registered magnetic resonance studies were assessed for concordance with MET-PET uptake using Boolean operations. The tumor volume at diagnosis and treatment failure was assessed relative to MET-PET avid volume. The prognostic impact of MET-PET-delineated non-contrast enhancing tumor (NCET) was assessed...
January 11, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28077260/third-party-social-evaluations-of-humans-by-monkeys-and-dogs
#14
REVIEW
James R Anderson, Benoit Bucher, Hitomi Chijiiwa, Hika Kuroshima, Ayaka Takimoto, Kazuo Fujita
Developmental psychologists are increasingly interested in young children's evaluations of individuals based on third-party interactions. Studies have shown that infants react negatively to agents who display harmful intentions toward others, and to those who behave unfairly. We describe experimental studies of capuchin monkeys' and pet dogs' differential reactions to people who are helpful or unhelpful in third-party contexts, and monkeys' responses to people who behave unfairly in exchanges of objects with a third party...
January 7, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28070151/imaging-of-glutamate-concentration-in-sturge-weber-syndrome
#15
COMMENT
Tracy S Gertler, Cynthia V Stack
Investigators from Wayne State University studied a cohort of children with Sturge-Weber syndrome (SWS) and epilepsy using both glucose-based positron emission tomography (FDG-PET) to evaluate metabolic activity and proton magnetic resonance spectroscopic imaging (MRSI) to evaluate glutamate turnover.
January 2017: Pediatric neurology briefs
https://www.readbyqxmd.com/read/28040805/dynamic-contrast-enhanced-magnetic-resonance-imaging-dce-mri-combined-with-positron-emission-tomography-computed-tomography-pet-ct-and-video-electroencephalography-veeg-have-excellent-diagnostic-value-in-preoperative-localization-of-epileptic-foci-in-children
#16
Gui-Bin Wang, Wei Long, Xiao-Dong Li, Guang-Yin Xu, Ji-Xiang Lu
BACKGROUND To investigate the effect that dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) has on surgical decision making relative to video-electroencephalography (VEEG) and positron emission tomography-computed tomography (PET-CT), and if the differences in these variables translates to differences in surgical outcomes. MATERIAL AND METHODS A total of 166 children with epilepsy undergoing preoperative DCE-MRI, VEEG, and PET-CT examinations, surgical resection of epileptic foci, and intraoperative electrocorticography (ECoG) monitoring were enrolled...
January 1, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28036050/environmental-determinants-of-bronchial-asthma-among-saudi-school-children-in-southwestern-saudi-arabia
#17
Jobran M Alqahtani, Ahmed M Asaad, Nabil J Awadalla, Ahmed A Mahfouz
The aim here was to study the possible environmental and dietary determinants of asthma among school-aged children in Southwestern Saudi Arabia. In a cross-sectional study on a representative sample in Najran in Southwestern Saudi Arabia using an Arabic version of the modified ISAAC Phase III, parent-administered questionnaire data were collected. Skin prick tests (SPTs) were performed. The study included 1700 school children, out of them 468 (27.5%) were diagnosed with, cases of bronchial asthma and 20.8% (353) reported a 12-month nocturnal cough (as a proxy of severe asthma)...
December 28, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28028401/the-prevalence-of-allergic-rhinitis-eczema-and-asthma-in-students-of-guidance-schools-in-mazandaran-province-iran
#18
Daniel Zamanfar, Javad Gaffari, Salar Behzadnia, Jamshid Yazdani-Charati, Sahar Tavakoli
BACKGROUND: Eczema, allergic rhinitis and asthma are common chronic allergic disorders in childhood. AIM: The aim of this study was to determine the prevalence of common allergic disorders among Iranian guidance schools students in Mazandaran Province, northern Iran. METHODS: This analytical cross-sectional study was performed on 3000 children aged 11-14 years old during 2012-13 according to ISAAC study. Of 3000 recruited children 1576 (52...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28026209/correlation-of-pet-ct-and-image-guided-biopsies-of-pediatric-malignancies
#19
Saeed Nihayah, Amer Shammas, Reza Vali, Dimitri Parra, Sarah Alexander, Joao Amaral, Bairbre Connolly
OBJECTIVE: The purpose of this study was to evaluate an early experience with correlation of PET/CT findings and image-guided biopsy results in pediatric patients. MATERIALS AND METHODS: In a single-center retrospective case series, the inclusion criterion was performance of image-guided biopsy within 6 weeks of PET/CT, either before or after the biopsy. RESULTS: Forty-five patients (23 boys, 22 girls; age range, 4-17 years; median, 10.5 years; weight range, 14...
March 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28005698/prenatal-and-postnatal-exposure-to-pet-ownership-blood-pressure-and-hypertension-in-children-the-seven-northeastern-cities-study
#20
Shu-Li Xu, Edwin Trevathan, Zhengmin Qian, Elaina Vivian, Bo-Yi Yang, Li-Wen Hu, Xiao-Wen Zeng, Meng Li, Yang Zhou, Xiao-Di Qin, Wen-Wen Bao, Ping Yuan, Ya-Zhi Zhang, Jia Wang, Chuan Zhang, Yan-Peng Tian, Min Nian, Xiang Xiao, Guang-Hui Dong
OBJECTIVE: There is little information about how exposure to pets impacts blood pressure (BP) in children. The objective of the present study was to investigate the association between pet exposure and BP in children. METHODS: A total of 9354 children, aged 5-17 years, from 24 elementary schools and 24 middle schools in the Seven Northeastern Cities were evaluated during 2012-2013. BP measurements were taken using a mercury sphygmomanometer. Hypertension in children was defined as having an average DBP or SBP in the 95th percentile or higher for the child's sex, age, and height...
February 2017: Journal of Hypertension
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