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https://www.readbyqxmd.com/read/28441828/-clinical-analysis-of-seven-cases-of-pulmonary-malignant-tumors-in-children
#1
D Xu, Z M Chen, W Z Gu, Y S Wang, M X Huang, L F Tang, Y Y Zhang, Y Jiang
Objective: To understand the clinical manifestation, imaging characteristics and outcomes of pulmonary malignant tumors in children. Method: We retrospectively collected information about seven cases of pulmonary malignant tumors in children in our hospital from Jan 2010 to Dec 2016. The information included clinical manifestation, imaging characteristics, pathologic results, and treatment. Result: (1) All the seven patients firstly visited pediatric internal medicine departments. Symptoms included cough (n=6), dyspnea (n=4), fever (n=2), anorexia (n=2), chest tightness (n=1), chest pain (n=1), lameness (n=1), abdominal distension and constipation (n=1)...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28436606/early-and-late-adverse-effects-of-radioiodine-for-pediatric-differentiated-thyroid-cancer
#2
Domenico Albano, Francesco Bertagna, Maria Beatrice Panarotto, Raffaele Giubbini
BACKGROUND: Radioiodine-131 (I131) therapy for differentiated thyroid cancer (DTC) is generally a safe and effective treatment, but it has some potential side effects, which have been well described in adults but less analyzed in children. Our aim was to describe early and late adverse events of radioactive I131 in pediatric patients. METHODS: All consecutive patients ≤18 years treated for DTC in the period 1980-2015 were retrospectively analyzed for early and late side effects of radioiodine...
April 24, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28428677/hypothyroidism-in-pediatric-population-bosnian-and-herzegovinian-situation
#3
Edo Hasanbegovic, Snijezana Hasanbegovic, Edin Begic
INTRODUCTION: Thyroid gland diseases in children are in second place by frequency among all endocrine disorders. When interpreting the results of the thyroid function assessment it should be taken into account the significant differences in the concentrations of TSH, thyroid hormones, thyroid binding proteins and calcitonin among children of different ages. GOAL: To present the age and sex structure of the patients diagnosed with hypothyroidism, evaluate diagnostic methods for making diagnosis, evaluation of etiology of hypothyroidism, with special review of the therapeutic modality...
February 2017: Medical Archives
https://www.readbyqxmd.com/read/28426850/second-primary-malignant-neoplasms-and-survival-in-adolescent-and-young-adult-cancer-survivors
#4
Theresa H M Keegan, Archie Bleyer, Aaron S Rosenberg, Qian Li, Melanie Goldfarb
Importance: Although the increased incidence of second primary malignant neoplasms (SPMs) is a well-known late effect after cancer, few studies have compared survival after an SPM to survival of the same cancer occurring as first primary malignant neoplasm (PM) by age. Objective: To assess the survival impact of SPMs in adolescents and young adults (AYAs) (15-39 years) compared with that of pediatric (<15 years) and older adult (≥40 years) patients with the same SPMs...
April 20, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28419323/monte-carlo-simulation-used-to-calculate-energy-correction-factor-for-thermoluminescent-dosimeters-used-by-occupational-workers-on-pediatric-exams
#5
G Hoff, D Filipov, S Paschuk, H R Schelin, V Denyak
The main objective of this work is to simulate the X-ray scattered spectra by different pediatric phantoms (simulation of children subjected to barium meal procedures) to calculate an energy correction factor (ECF) to the reading of thermoluminescent dosimeters (TLDs). To perform this evaluation, the TLDs were positioned over three areas in two occupational workers: eyes, thyroid and hands. The Geant4 toolkit was used to define the spectra collected by TLDs, making possible to calculate the ECF. This work was developed in two stages: (1) evaluation of scattered spectra by different standard phantoms (newborn, 1, 5 and 10 years old); (2) definition of the ECF to the absorbed energy by each TLD...
April 13, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28398507/prevalence-and-significance-of-thyroglobulin-antibodies-in-pediatric-thyroid-cancer
#6
Ari J Wassner, Margaret Della Vecchia, Petr Jarolim, Henry A Feldman, Stephen A Huang
Context: Circulating thyroglobulin antibodies (TgAb) can confound measurement of serum thyroglobulin and impair thyroid cancer surveillance. Few data exist on the significance of TgAb in pediatric thyroid cancer. Objective: To describe the prevalence, natural history, and clinical significance of TgAb in children with thyroid cancer. Design: Retrospective cohort study. Setting: Single academic pediatric referral center...
April 10, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28398210/out-of-field-doses-from-pediatric-craniospinal-irradiations-using-3d-crt-imrt-helical-tomotherapy-and-electron-based-therapy
#7
Marijke De Saint-Hubert, Dirk Verellen, Kenneth Poels, Wouter Crijns, Federica Magliona, Tom Depuydt, Filip Vanhavere, Lara Struelens
Medulloblastoma treatment involves irradiation of the entire central nervous system, i.e craniospinal irradiation (CSI). This is associated with significant exposure of large volumes of healthy tissue with a growing concern regarding treatment associated side effects. The current study compares out-of-field organ doses in children receiving CSI with three-dimensional-conformal radiotherapy (3D-CRT), intensity modulated radiotherapy (IMRT), helical tomotherapy (HT) and an electron-based technique, including as well radiation doses resulting from imaging performed during treatment...
April 11, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28388722/thyroid-and-islet-autoantibodies-predict-autoimmune-thyroid-disease-at-type-1-diabetes-diagnosis
#8
Berglind Jonsdottir, Christer Larsson, Annelie Carlsson, Gun Forsander, Sten Anders Ivarsson, Åke Lernmark, Johnny Ludvigsson, Claude Marcus, Ulf Samuelsson, Eva Örtqvist, Helena Elding Larsson
Context: Screening of autoimmune thyroid disease in children with type 1 diabetes is important but varies between clinics. Objective: To determine the predictive value of thyroid autoantibodies, thyroid function, islet autoantibodies, and HLA-DQ at diagnosis of type 1 diabetes for autoimmune thyroid disease during follow-up. Setting: Forty-three Swedish pediatric endocrinology units. Design, Patients, and Main Outcome Measures: At diagnosis of type 1 diabetes, autoantibodies against thyroid peroxidase (TPOAb), thyroglobulin (TGAb), glutamic acid decarboxylase (GADA), insulin, insulinoma-associated protein-2, and 3 variants of zinc transporter 8 (ZnT8W/R/QA) HLA-DQA1-B1 genotypes and thyroid function were analyzed in 2433 children...
April 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28387076/-pediatric-reference-intervals-retrospective-study-on-thyroid-hormone-levels
#9
A Ladang, L Vranken, F Luyckx, M-C Lebrethon, E Cavalier
Defining reference range is an essential tool for diagnostic. Age and sexe influences on thyroid hormone levels have been already discussed. In this study, we are defining a new pediatric reference range for TSH, FT3 and FT4 for Cobas C6000 analyzer. To do so, we have taken in account 0 to 18 year old outclinic patients. During the first year of life, thyroid hormone levels change dramatically before getting stabilized around 3 years old. We also compared our results to those obtained in a Canadian large-scale prospective study (the CALIPER initiative)...
January 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28381452/management-of-endocrine-disease-arguments-for-the-prolonged-use-of-antithyroid-drugs-in-children-with-graves-disease
#10
Juliane Leger, Jean-Claude Carel
Graves' disease is an autoimmune disorder. It is the major cause of hyperthyroidism but is rare in children. Patients are initially managed with antithyroid drugs (ATD), in the form of methimazole/carbimazole. A major disadvantage of ATD treatment is the high risk of relapse, exceeding 70% of children treated for a duration of two years, and the potential major side effects of the drug reported in exceptional cases. The major advantage of ATD treatment is that normal homeostasis of the hypothalamus-pituitary thyroid axis may be restored, with periods of drug treatment followed by freedom from medical intervention achieved in about 40 to 50% of cases after prolonged ATD treatment for several years in recent studies...
April 5, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28375941/two-tumors-in-1-what-should-be-the-therapeutic-target-pediatric-germ-cell-tumor-with-somatic-malignant-transformation
#11
Cecile Faure Conter, Brice Fresneau, Estelle Thebaud, Amandine Bertrand, Frederique Dijoud, Angelique Rome, Cecile Dumesnil, Marie Pierre Castex, Anguella Ghanem, Daniel Orbach
BACKGROUND: Germ cell tumors with somatic malignant transformation (GCT with SMT) are rare in children and poorly described. Data are missing to determine if therapies should target the GCT, the SMT compound, or both simultaneously. PATIENTS AND METHODS: A retrospective national study was conducted in the Société Française des cancers de l'Enfant (SFCE) Centers. Medical records from patients aged 0 to 18 years diagnosed with GCT with SMT between 2000 and 2015 were analyzed...
April 3, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28374048/lone-pediatric-atrial-fibrillation-in-the-united-states-analysis-of-over-1500-cases
#12
Iqbal El-Assaad, Sadeer G Al-Kindi, Elizabeth V Saarel, Peter F Aziz
Little is known about lone atrial fibrillation (AF) in pediatrics and its risk factors due to low prevalence. We sought to determine risk factors and estimate recurrence rates in children with lone AF using a large clinical database. Using the Explorys clinical database, we retrospectively identified patients who were below 20 years of age at the time of their AF diagnosis. Patients with congenital heart disease, cardiomyopathy, prior open heart surgery, or thyroid disease were excluded. Out of 7,969,230 children identified, 1910 had AF and 1570 met the definition of lone AF...
April 3, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28368265/neurodevelopmental-outcome-of-children-with-congenital-hypothyroidism-diagnosed-in-a-national-screening-program-in-turkey
#13
Bahar Toklu Baysal, Bora Baysal, Ferah Genel, Baris Erdur, Erhan Ozbek, Korcan Demir, Behzat Ozkan
OBJECTIVE: To study the factors affecting a neurodevelopmental status of children with congenital hypothyroidism, diagnosed on national screening program. METHODS: The study was performed in the Pediatric Endocrinology Department of Dr. Behcet Uz Children's Hospital between May 2012 and May 2013. Children with congenital hypothyroidism, aged between 24 and 36 months, diagnosed by national screening program were included in the study group. Healthy subjects at the same age group consisted of the control group...
March 29, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28348002/thyroid-function-in-children-and-adolescents-with-hashimoto-s-thyroiditis-after-l-thyroxine-discontinuation
#14
Giorgio Radetti, Mariacarolina Salerno, Chiara Guzzetti, Marco Cappa, Andrea Corrias, Alessandra Cassio, Graziano Cesaretti, Roberto Gastaldi, Mario Rotondi, Fiorenzo Lupi, Antonio Fanolla, Giovanna Weber, Sandro Loche
OBJECTIVE: Thyroid function may recover in patients with Hashimoto's thyroiditis (HT). DESIGN: To investigate thyroid function and the need to resume l-thyroxine treatment after discontinuation. SETTING: Nine Italian Pediatric Endocrinology centers. PATIENTS: 148 children and adolescents (25 m and 123 f) with HT on treatment with l-thyroxine for at least one year. Intervention and Main Outcome measure: Treatment was discontinued in all patients, and serum TSH and fT4 concentrations were measured at the time of treatment discontinuation and then after 2, 6, 12 and 24 months...
March 27, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28347527/thyroid-neoplasms-incidental-findings-on-extent-of-disease-evaluation-ct-for-other-pediatric-malignancies
#15
William J Hammond, Todd E Heaton, Benjamin A Farber, Usman A Mahmood, Jill S Gluskin, Suzanne L Wolden, Michael P La Quaglia, Charles A Sklar, Anita P Price
PURPOSE: We performed a retrospective analysis to evaluate the risk of thyroid cancer in incidental thyroid nodules (ITNs) discovered on CT in patients with a history of pediatric cancer. METHODS: With IRB approval we reviewed the records of pediatric oncology patients age ≤21y with newly detected thyroid nodules on surveillance CT of the neck, chest, chest/abdomen/pelvis, or PET/CT performed between April 2008 and March 2015. Patients with <6months of follow-up after incidental findings, a history of primary thyroid malignancy, or incomplete records were excluded...
March 15, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28338854/comparison-of-the-peripheral-doses-from-different-imrt-techniques-for-pediatric-head-and-neck-radiation-therapy
#16
Masahiko Toyota, Yasumasa Saigo, Kenta Higuchi, Takuya Fujimura, Chihaya Koriyama, Takashi Yoshiura, Suminori Akiba
Intensity-modulated radiation therapy (IMRT) can deliver high and homogeneous doses to the target area while limiting doses to organs at risk. We used a pediatric phantom to simulate the treatment of a head and neck tumor in a child. The peripheral doses were examined for three different IMRT techniques [dynamic multileaf collimator (DMLC), segmental multileaf collimator (SMLC) and volumetric modulated arc therapy (VMAT)]. Peripheral doses were evaluated taking thyroid, breast, ovary and testis as the points of interest...
February 25, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28331865/growth-hormone-utilization-review-in-a-pediatric-primary-care-setting
#17
Fatemeh Sayarifard, Fereshteh Bakhshi Imcheh, Shirinsadat Badri, Toktam Faghihi, Mostafa Qorbani, Mania Radfar
OBJECTIVE: One of the main problems facing public health providers and administrators in many countries is ensuring the rational use of high-cost drugs. In this regard, on-going process of medication use evaluation can be considered as a useful tool. In this study, we evaluated certain usage aspects of a highly-cost medication, that is, recombinant growth hormone (GH). METHODS: This cross-sectional study conducted from August 2012 to August 2014. Children receiving GH ± gonadotropin releasing hormone (GnRH) analogs were included in the study...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28326681/population-pharmacokinetics-of-selumetinib-and-its-metabolite-n-desmethyl-selumetinib-in-adult-patients-with-advanced-solid-tumors-and-children-with-low-grade-gliomas
#18
Y T Patel, V M Daryani, P Patel, D Zhou, J Fangusaro, D J Carlile, P D Martin, L Aarons, C F Stewart
Selumetinib (AZD6244, ARRY-142886), a mitogen activated protein kinases (MEK1 and 2) inhibitor, has been granted orphan drug designation for differentiated thyroid cancer. The primary aim of this analysis was to characterize the population pharmacokinetics of selumetinib and its active metabolite N-desmethyl-selumetinib in patients with cancer. Concentration-time data from adult and pediatric clinical trials were pooled to develop a population pharmacokinetic model using a sequential approach where selumetinib and N-desmethyl-selumetinib data were modeled separately...
March 22, 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28323979/thyroid-cancer-following-childhood-low-dose-radiation-exposure-a-pooled-analysis-of-nine-cohorts
#19
Jay H Lubin, M Jacob Adams, Roy Shore, Erik Holmberg, Arthur B Schneider, Michael M Hawkins, Leslie L Robison, Peter D Inskip, Marie Lundell, Robert Johansson, Ruth A Kleinerman, Florent de Vathaire, Lena Damber, Siegal Sadetzki, Margaret Tucker, Ritsu Sakata, Lene H S Veiga
Context: The increased use of diagnostic and therapeutic procedures that involve radiation raises concerns about radiation effects, particularly in children and to the radio-sensitive thyroid gland. Objectives: Evaluation of relative risk (RR) trends for thyroid radiation doses <0.2 gray; evidence of a threshold dose; and possible modifiers of the dose-response, e.g., sex, age at exposure, time since exposure. Design and setting: Pooled data from nine cohort studies of childhood external radiation exposure and thyroid cancer with individualized dose estimates, ≥1,000 irradiated subjects or ≥10 thyroid cancer cases, with data limited to individuals receiving doses <0...
March 8, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28314327/thyroid-cancer-in-the-pediatric-age-in-sicily-influence-of-the-volcanic-environment
#20
Marco Russo, Pasqualino Malandrino, Mariacarla Moleti, Antonio D'Angelo, Martina Tavarelli, Giulia Sapuppo, Fiorenza Giani, Pierina Richiusa, Sebastiano Squatrito, Riccardo Vigneri, Gabriella Pellegriti
BACKGROUND/AIM: Pediatric thyroid cancer (TC) is rare but its incidence is increasing. We analyzed incidence and characteristics of pediatric TC in Sicily and comparatively evaluated data from the volcanic and non-volcanic areas. MATERIALS AND METHODS: All incident pediatric (0-19 years) TCs in Sicily between 2002-2009 were analyzed for the area of residence and compared to data for adults. RESULTS: A total of 54 differentiated TCs (DTC) and nine medullary TCs were diagnosed in Sicily in children between 2002-2009...
March 2017: Anticancer Research
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