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2. Wireless phone use in childhood and adolescence and neuroepithelial brain tumours: Results from the international MOBI-Kids study

Author

Castaño-Vinyals, G., Sadetzki, S., Vermeulen, R., Momoli, F., Kundi, M., Merletti, F., Maslanyj, M., Calderon, C., Wiart, J., Lee, A.-K., Taki, M., Sim, M., Armstrong, B., Benke, G., Schattner, R., Hutter, H.-P., Krewski, D., Mohipp, C., Ritvo, P., Spinelli, J., Lacour, B., Remen, T., Radon, K., Weinmann, T., Petridou, E.Th., Moschovi, M., Pourtsidis, A., Oikonomou, K., Kanavidis, P., Bouka, E., Dikshit, R., Nagrani, R., Chetrit, A., Bruchim, R., Maule, M., Migliore, E., Filippini, G., Miligi, L., Mattioli, S., Kojimahara, N., Yamaguchi, N., Ha, M., Choi, K., Kromhout, H., Goedhart, G., 't Mannetje, A., Eng, A., Langer, C.E., Alguacil, J., Aragonés, N., Morales-Suárez-Varela, M., Badia, F., Albert, A., Carretero, G., and Cardis, E.

Published
2022
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17. Wireless phone use in childhood and adolescence and neuroepithelial brain tumours: Results from the international MOBI-Kids study

Author

Castaño-Vinyals, G, Sadetzki, S, Vermeulen, R, Momoli, F, Kundi, M, Merletti, F, Maslanyj, M, Calderon, C, Wiart, J, Lee, A-K, Taki, M, Sim, M, Armstrong, B, Benke, G, Schattner, R, Hutter, H-P, Krewski, D, Mohipp, C, Ritvo, P, Spinelli, J, Lacour, B, Remen, T, Radon, K, Weinmann, T, Petridou, E Th, Moschovi, M, Pourtsidis, A, Oikonomou, K, Kanavidis, P, Bouka, E, Dikshit, R, Nagrani, R, Chetrit, A, Bruchim, R, Maule, M, Migliore, E, Filippini, G, Miligi, L, Mattioli, S, Kojimahara, N, Yamaguchi, N, Ha, M, Choi, K, Kromhout, H, Goedhart, G, 't Mannetje, A, Eng, A, Langer, C E, Alguacil, J, Aragonés, N, Morales-Suárez-Varela, M, Badia, F, Albert, A, Carretero, G, Cardis, E, Castaño-Vinyals, G, Sadetzki, S, Vermeulen, R, Momoli, F, Kundi, M, Merletti, F, Maslanyj, M, Calderon, C, Wiart, J, Lee, A-K, Taki, M, Sim, M, Armstrong, B, Benke, G, Schattner, R, Hutter, H-P, Krewski, D, Mohipp, C, Ritvo, P, Spinelli, J, Lacour, B, Remen, T, Radon, K, Weinmann, T, Petridou, E Th, Moschovi, M, Pourtsidis, A, Oikonomou, K, Kanavidis, P, Bouka, E, Dikshit, R, Nagrani, R, Chetrit, A, Bruchim, R, Maule, M, Migliore, E, Filippini, G, Miligi, L, Mattioli, S, Kojimahara, N, Yamaguchi, N, Ha, M, Choi, K, Kromhout, H, Goedhart, G, 't Mannetje, A, Eng, A, Langer, C E, Alguacil, J, Aragonés, N, Morales-Suárez-Varela, M, Badia, F, Albert, A, Carretero, G, and Cardis, E

Abstract

In recent decades, the possibility that use of mobile communicating devices, particularly wireless (mobile and cordless) phones, may increase brain tumour risk, has been a concern, particularly given the considerable increase in their use by young people. MOBI-Kids, a 14-country (Australia, Austria, Canada, France, Germany, Greece, India, Israel, Italy, Japan, Korea, the Netherlands, New Zealand, Spain) case-control study, was conducted to evaluate whether wireless phone use (and particularly resulting exposure to radiofrequency (RF) and extremely low frequency (ELF) electromagnetic fields (EMF)) increases risk of brain tumours in young people. Between 2010 and 2015, the study recruited 899 people with brain tumours aged 10 to 24 years old and 1,910 controls (operated for appendicitis) matched to the cases on date of diagnosis, study region and age. Participation rates were 72% for cases and 54% for controls. The mean ages of cases and controls were 16.5 and 16.6 years, respectively; 57% were males. The vast majority of study participants were wireless phones users, even in the youngest age group, and the study included substantial numbers of long-term (over 10 years) users: 22% overall, 51% in the 20-24-year-olds. Most tumours were of the neuroepithelial type (NBT; n = 671), mainly glioma. The odds ratios (OR) of NBT appeared to decrease with increasing time since start of use of wireless phones, cumulative number of calls and cumulative call time, particularly in the 15-19 years old age group. A decreasing trend in ORs was also observed with increasing estimated cumulative RF specific energy and ELF induced current density at the location of the tumour. Further analyses suggest that the large number of ORs below 1 in this study is unlikely to represent an unknown causal preventive effect of mobile phone exposure: they can be at least partially explained by differential recall by proxies and prodromal symptoms affecting phone use before diagnosis of the cases. W

Published
2022

18. Wireless phone use in childhood and adolescence and neuroepithelial brain tumours: Results from the international MOBI-Kids study

Author

IRAS OH Epidemiology Chemical Agents, dIRAS RA-2, Castaño-Vinyals, G, Sadetzki, S, Vermeulen, R, Momoli, F, Kundi, M, Merletti, F, Maslanyj, M, Calderon, C, Wiart, J, Lee, A-K, Taki, M, Sim, M, Armstrong, B, Benke, G, Schattner, R, Hutter, H-P, Krewski, D, Mohipp, C, Ritvo, P, Spinelli, J, Lacour, B, Remen, T, Radon, K, Weinmann, T, Petridou, E Th, Moschovi, M, Pourtsidis, A, Oikonomou, K, Kanavidis, P, Bouka, E, Dikshit, R, Nagrani, R, Chetrit, A, Bruchim, R, Maule, M, Migliore, E, Filippini, G, Miligi, L, Mattioli, S, Kojimahara, N, Yamaguchi, N, Ha, M, Choi, K, Kromhout, H, Goedhart, G, 't Mannetje, A, Eng, A, Langer, C E, Alguacil, J, Aragonés, N, Morales-Suárez-Varela, M, Badia, F, Albert, A, Carretero, G, Cardis, E, IRAS OH Epidemiology Chemical Agents, dIRAS RA-2, Castaño-Vinyals, G, Sadetzki, S, Vermeulen, R, Momoli, F, Kundi, M, Merletti, F, Maslanyj, M, Calderon, C, Wiart, J, Lee, A-K, Taki, M, Sim, M, Armstrong, B, Benke, G, Schattner, R, Hutter, H-P, Krewski, D, Mohipp, C, Ritvo, P, Spinelli, J, Lacour, B, Remen, T, Radon, K, Weinmann, T, Petridou, E Th, Moschovi, M, Pourtsidis, A, Oikonomou, K, Kanavidis, P, Bouka, E, Dikshit, R, Nagrani, R, Chetrit, A, Bruchim, R, Maule, M, Migliore, E, Filippini, G, Miligi, L, Mattioli, S, Kojimahara, N, Yamaguchi, N, Ha, M, Choi, K, Kromhout, H, Goedhart, G, 't Mannetje, A, Eng, A, Langer, C E, Alguacil, J, Aragonés, N, Morales-Suárez-Varela, M, Badia, F, Albert, A, Carretero, G, and Cardis, E

Published
2022

29. Large-scale targeted sequencing identifies risk genes for neurodevelopmental disorders

Author

Wang T., Hoekzema K., Vecchio D., Wu H., Sulovari A., Coe B. P., Gillentine M. A., Wilfert A. B., Perez-Jurado L. A., Kvarnung M., Sleyp Y., Earl R. K., Rosenfeld J. A., Geisheker M. R., Han L., Du B., Barnett C., Thompson E., Shaw M., Carroll R., Friend K., Catford R., Palmer E. E., Zou X., Ou J., Li H., Guo H., Gerdts J., Avola E., Calabrese G., Elia M., Greco D., Lindstrand A., Nordgren A., Anderlid B. -M., Vandeweyer G., Van Dijck A., Van der Aa N., McKenna B., Hancarova M., Bendova S., Havlovicova M., Malerba G., Bernardina B. D., Muglia P., van Haeringen A., Hoffer M. J. V., Franke B., Cappuccio G., Delatycki M., Lockhart P. J., Manning M. A., Liu P., Scheffer I. E., Brunetti Pierri N., Rommelse N., Amaral D. G., Santen G. W. E., Trabetti E., Sedlacek Z., Michaelson J. J., Pierce K., Courchesne E., Kooy R. F., Acampado J., Ace A. J., Amatya A., Astrovskaya I., Bashar A., Brooks E., Butler M. E., Cartner L. A., Chin W., Chung W. K., Daniels A. M., Feliciano P., Fleisch C., Ganesan S., Jensen W., Lash A. E., Marini R., Myers V. J., O'Connor E., Rigby C., Robertson B. E., Shah N., Shah S., Singer E., Snyder L. A. G., Stephens A. N., Tjernagel J., Vernoia B. M., Volfovsky N., White L. C., Hsieh A., Shen Y., Zhou X., Turner T. N., Bahl E., Thomas T. R., Brueggeman L., Koomar T., Michael R. J., O'Roak B. J., Barnard R. A., Gibbs R. A., Muzny D., Sabo A., Ahmed K. L. B., Eichler E. E., Siegel M., Abbeduto L., Hilscher B. A., Li D., Smith K., Thompson S., Albright C., Butter E. M., Eldred S., Hanna N., Jones M., Coury D. L., Scherr J., Pifher T., Roby E., Dennis B., Higgins L., Brown M., Alessandri M., Gutierrez A., Hale M. N., Herbert L. M., Schneider H. L., David G., Annett R. D., Sarver D. E., Arriaga I., Camba A., Gulsrud A. C., Haley M., McCracken J. T., Sandhu S., Tafolla M., Yang W. S., Carpenter L. A., Bradley C. C., Gwynette F., Manning P., Shaffer R., Thomas C., Bernier R. A., Fox E. A., Gerdts J. A., Pepper M., Ho T., Cho D., Piven J., Lechniak H., Soorya L. V., Gordon R., Wainer A., Yeh L., Ochoa-Lubinoff C., Russo N., Berry-Kravis E., Booker S., Erickson C. A., Prock L. M., Pawlowski K. G., Matthews E. T., Brewster S. J., Hojlo M. A., Abada E., Lamarche E., Murali S. C., Harvey W. T., Kaplan H. E., Pierce K. L., DeMarco L., Horner S., Pandey J., Plate S., Sahin M., Riley K. D., Carmody E., Constantini J., Esler A., Fatemi A., Hutter H., Landa R. J., McKenzie A. P., Neely J., Singh V., Van Metre B., Wodka E. L., Fombonne E. J., Huang-Storms L. Y., Pacheco L. D., Mastel S. A., Coppola L. A., Francis S., Jarrett A., Jacob S., Lillie N., Gunderson J., Istephanous D., Simon L., Wasserberg O., Rachubinski A. L., Rosenberg C. R., Kanne S. M., Shocklee A. D., Takahashi N., Bridwell S. L., Klimczac R. L., Mahurin M. A., Cotrell H. E., Grant C. A., Hunter S. G., Martin C. L., Taylor C. M., Walsh L. K., Dent K. A., Mason A., Sziklay A., Smith C. J., Nordenskjold M., Romano C., Peeters H., Gecz J., Xia K., SPARK Consortium, Wang, T., Hoekzema, K., Vecchio, D., Wu, H., Sulovari, A., Coe, B. P., Gillentine, M. A., Wilfert, A. B., Perez-Jurado, L. A., Kvarnung, M., Sleyp, Y., Earl, R. K., Rosenfeld, J. A., Geisheker, M. R., Han, L., Du, B., Barnett, C., Thompson, E., Shaw, M., Carroll, R., Friend, K., Catford, R., Palmer, E. E., Zou, X., Ou, J., Li, H., Guo, H., Gerdts, J., Avola, E., Calabrese, G., Elia, M., Greco, D., Lindstrand, A., Nordgren, A., Anderlid, B. -M., Vandeweyer, G., Van Dijck, A., Van der Aa, N., Mckenna, B., Hancarova, M., Bendova, S., Havlovicova, M., Malerba, G., Bernardina, B. D., Muglia, P., van Haeringen, A., Hoffer, M. J. V., Franke, B., Cappuccio, G., Delatycki, M., Lockhart, P. J., Manning, M. A., Liu, P., Scheffer, I. E., Brunetti Pierri, N., Rommelse, N., Amaral, D. G., Santen, G. W. E., Trabetti, E., Sedlacek, Z., Michaelson, J. J., Pierce, K., Courchesne, E., Kooy, R. F., Acampado, J., Ace, A. J., Amatya, A., Astrovskaya, I., Bashar, A., Brooks, E., Butler, M. E., Cartner, L. A., Chin, W., Chung, W. K., Daniels, A. M., Feliciano, P., Fleisch, C., Ganesan, S., Jensen, W., Lash, A. E., Marini, R., Myers, V. J., O'Connor, E., Rigby, C., Robertson, B. E., Shah, N., Shah, S., Singer, E., Snyder, L. A. G., Stephens, A. N., Tjernagel, J., Vernoia, B. M., Volfovsky, N., White, L. C., Hsieh, A., Shen, Y., Zhou, X., Turner, T. N., Bahl, E., Thomas, T. R., Brueggeman, L., Koomar, T., Michael, R. J., O'Roak, B. J., Barnard, R. A., Gibbs, R. A., Muzny, D., Sabo, A., Ahmed, K. L. B., Eichler, E. E., Siegel, M., Abbeduto, L., Hilscher, B. A., Li, D., Smith, K., Thompson, S., Albright, C., Butter, E. M., Eldred, S., Hanna, N., Jones, M., Coury, D. L., Scherr, J., Pifher, T., Roby, E., Dennis, B., Higgins, L., Brown, M., Alessandri, M., Gutierrez, A., Hale, M. N., Herbert, L. M., Schneider, H. L., David, G., Annett, R. D., Sarver, D. E., Arriaga, I., Camba, A., Gulsrud, A. C., Haley, M., Mccracken, J. T., Sandhu, S., Tafolla, M., Yang, W. S., Carpenter, L. A., Bradley, C. C., Gwynette, F., Manning, P., Shaffer, R., Thomas, C., Bernier, R. A., Fox, E. A., Gerdts, J. A., Pepper, M., Ho, T., Cho, D., Piven, J., Lechniak, H., Soorya, L. V., Gordon, R., Wainer, A., Yeh, L., Ochoa-Lubinoff, C., Russo, N., Berry-Kravis, E., Booker, S., Erickson, C. A., Prock, L. M., Pawlowski, K. G., Matthews, E. T., Brewster, S. J., Hojlo, M. A., Abada, E., Lamarche, E., Murali, S. C., Harvey, W. T., Kaplan, H. E., Pierce, K. L., Demarco, L., Horner, S., Pandey, J., Plate, S., Sahin, M., Riley, K. D., Carmody, E., Constantini, J., Esler, A., Fatemi, A., Hutter, H., Landa, R. J., Mckenzie, A. P., Neely, J., Singh, V., Van Metre, B., Wodka, E. L., Fombonne, E. J., Huang-Storms, L. Y., Pacheco, L. D., Mastel, S. A., Coppola, L. A., Francis, S., Jarrett, A., Jacob, S., Lillie, N., Gunderson, J., Istephanous, D., Simon, L., Wasserberg, O., Rachubinski, A. L., Rosenberg, C. R., Kanne, S. M., Shocklee, A. D., Takahashi, N., Bridwell, S. L., Klimczac, R. L., Mahurin, M. A., Cotrell, H. E., Grant, C. A., Hunter, S. G., Martin, C. L., Taylor, C. M., Walsh, L. K., Dent, K. A., Mason, A., Sziklay, A., Smith, C. J., Nordenskjold, M., Romano, C., Peeters, H., Gecz, J., and Xia, K.

Subjects
0301 basic medicine, Male, CCCTC-Binding Factor, Transcription Factor, Basic Helix-Loop-Helix Transcription Factor, DNA Mutational Analysis, General Physics and Astronomy, RNA-Binding Protein, Heterogeneous-Nuclear Ribonucleoprotein U, VARIANTS, medicine.disease_cause, Cohort Studies, 0302 clinical medicine, Neurodevelopmental Disorder, Basic Helix-Loop-Helix Transcription Factors, SPARK Consortium, 2.1 Biological and endogenous factors, Copy-number variation, Aetiology, lcsh:Science, GABRG2, Genetics, Mutation, Multidisciplinary, biology, Neurodevelopmental disorders, RNA-Binding Proteins, High-Throughput Nucleotide Sequencing, Autism spectrum disorders, Multidisciplinary Sciences, DNA-Binding Proteins, Science & Technology - Other Topics, Female, Case-Control Studie, Engineering sciences. Technology, Human, Science, DNA-Binding Protein, Genetic Association Studie, COPY-NUMBER VARIATION, General Biochemistry, Genetics and Molecular Biology, DNA sequencing, Article, KCNQ3 Potassium Channel, DNA Mutational Analysi, 03 medical and health sciences, medicine, Humans, Genetic Predisposition to Disease, AUTISM, Gene, Genetic Association Studies, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], Science & Technology, DISABILITY, Prevention, Case-control study, General Chemistry, Repressor Protein, medicine.disease, FRAMEWORK, Repressor Proteins, DE-NOVO MUTATION, 030104 developmental biology, CTCF, Neurodevelopmental Disorders, Case-Control Studies, biology.protein, Next-generation sequencing, Autism, lcsh:Q, Cohort Studie, 030217 neurology & neurosurgery, Transcription Factors
Abstract

Most genes associated with neurodevelopmental disorders (NDDs) were identified with an excess of de novo mutations (DNMs) but the significance in case–control mutation burden analysis is unestablished. Here, we sequence 63 genes in 16,294 NDD cases and an additional 62 genes in 6,211 NDD cases. By combining these with published data, we assess a total of 125 genes in over 16,000 NDD cases and compare the mutation burden to nonpsychiatric controls from ExAC. We identify 48 genes (25 newly reported) showing significant burden of ultra-rare (MAF, For many neurodevelopmental disorder (NDD) risk genes, the significance for mutational burden is unestablished. Here, the authors sequence 125 candidate NDD genes in over 16,000 NDD cases; case-control mutational burden analysis identifies 48 genes with a significant burden of severe ultra-rare mutations.

Published
2020

39. Strain-induced structure and oxygen transport interactions in epitaxial La0.6Sr0.4CoO3−δ thin films

Author

Ivanov, YP, Kubicek, M, Siebenhofer, M, Viernstein, A, Hutter, H, Fleig, J, Chuvilin, A, Zhang, Z, Siebenhofer, M [0000-0002-6450-0261], Fleig, J [0000-0002-8401-6717], Chuvilin, A [0000-0002-3712-5638], and Apollo - University of Cambridge Repository

Subjects
3403 Macromolecular and Materials Chemistry, 34 Chemical Sciences, 4016 Materials Engineering, 40 Engineering
Abstract

The possibility to control oxygen transport in one of the most promising solid oxide fuel cell cathode materials, La0.6Sr0.4CoO3−δ, by controlling lattice strain raises questions regarding the contribution of atomic scale effects. Here, high-resolution transmission electron microscopy revealed the different atomic structures in La0.6Sr0.4CoO3−δ thin films grown under tensile and compressive strain conditions. The atomic structure of the tensile-strained film indicated significant local concentration of the oxygen vacancies, with the average value of the oxygen non-stoichiometry being much larger than for the compressive-strained film. In addition to the vacancy concentration differences that are measured by isotope exchange depth profiling, significant vacancy ordering was found in tensile-strained films. This understanding might be useful for tuning the atomic structure of La0.6Sr0.4CoO3−δ thin films to optimize cathode performance.

Published
2020

40. Author Correction: Large-scale targeted sequencing identifies risk genes for neurodevelopmental disorders (Nature Communications, (2020), 11, 1, (4932), 10.1038/s41467-020-18723-y)

Author

Wang, T., Hoekzema, K., Vecchio, Davide., Wu, H., Sulovari, A., Coe, B. P., Gillentine, M. A., Wilfert, A. B., Perez-Jurado, L. A., Kvarnung, M., Sleyp, Y., Earl, R. K., Rosenfeld, J. A., Geisheker, M. R., Han, L., Du, B., Barnett, C., Thompson, E., Shaw, M., Carroll, R., Friend, K., Catford, R., Palmer, E. E., Zou, X., Ou, J., Li, H., Guo, H., Gerdts, J., Avola, E., Calabrese, Giuseppe, Elia, Maurizio., Greco, Donatella, Lindstrand, A., Nordgren, A., Anderlid, B. -M., Vandeweyer, G., Van Dijck, A., Van der Aa, N., Mckenna, B., Hancarova, M., Bendova, S., Havlovicova, M., Malerba, G., Bernardina, B. D., Muglia, P., van Haeringen, A., Hoffer, M. J. V., Franke, B., Cappuccio, G., Delatycki, M., Lockhart, P. J., Manning, M. A., Liu, P., Scheffer, I. E., Brunetti-Pierri, N., Rommelse, N., Amaral, D. G., Santen, G. W. E., Trabetti, E., Sedlacek, Z., Michaelson, J. J., Pierce, K., Courchesne, E., Kooy, R. F., Acampado, J., Ace, A. J., Amatya, A., Astrovskaya, I., Bashar, A., Brooks, E., Butler, M. E., Cartner, L. A., Chin, W., Chung, W. K., Daniels, A. M., Feliciano, P., Fleisch, C., Ganesan, S., Jensen, W., Lash, A. E., Marini, R., Myers, V. J., O'Connor, E., Rigby, C., Robertson, B. E., Shah, N., Shah, S., Singer, E., Snyder, L. A. G., Stephens, A. N., Tjernagel, J., Vernoia, B. M., Volfovsky, N., White, L. C., Hsieh, A., Shen, Y., Zhou, X., Turner, T. N., Bahl, E., Thomas, T. R., Brueggeman, L., Koomar, T., O'Roak, B. J., Barnard, R. A., Gibbs, R. A., Muzny, D., Sabo, A., Ahmed, K. L. B., Eichler, E. E., Siegel, M., Abbeduto, L., Hilscher, B. A., Li, D., Smith, K., Thompson, S., Albright, C., Butter, E. M., Eldred, S., Hanna, N., Jones, M., Coury, D. L., Scherr, J., Pifher, T., Roby, E., Dennis, B., Higgins, L., Brown, M., Alessandri, M., Gutierrez, A., Hale, M. N., Herbert, L. M., Schneider, H. L., David, G., Annett, R. D., Sarver, D. E., Arriaga, I., Camba, A., Gulsrud, A. C., Haley, M., Mccracken, J. T., Sandhu, S., Tafolla, M., Yang, W. S., Carpenter, L. A., Bradley, C. C., Gwynette, F., Manning, P., Shaffer, R., Thomas, C., Bernier, R. A., Fox, E. A., Gerdts, J. A., Pepper, M., Ho, T., Cho, D., Piven, J., Lechniak, H., Soorya, L. V., Gordon, R., Wainer, A., Yeh, L., Ochoa-Lubinoff, C., Russo, N., Berry-Kravis, E., Booker, S., Erickson, C. A., Prock, L. M., Pawlowski, K. G., Matthews, E. T., Brewster, S. J., Hojlo, M. A., Abada, E., Lamarche, E., Murali, S. C., Harvey, W. T., Kaplan, H. E., Pierce, K. L., Demarco, L., Horner, S., Pandey, J., Plate, S., Sahin, M., Riley, K. D., Carmody, E., Constantini, J., Esler, A., Fatemi, A., Hutter, H., Landa, R. J., Mckenzie, A. P., Neely, J., Singh, V., Van Metre, B., Wodka, E. L., Fombonne, E. J., Huang-Storms, L. Y., Pacheco, L. D., Mastel, S. A., Coppola, L. A., Francis, S., Jarrett, A., Jacob, S., Lillie, N., Gunderson, J., Istephanous, D., Simon, L., Wasserberg, O., Rachubinski, A. L., Rosenberg, C. R., Kanne, S. M., Shocklee, A. D., Takahashi, N., Bridwell, S. L., Klimczac, R. L., Mahurin, M. A., Cotrell, H. E., Grant, C. A., Hunter, S. G., Martin, C. L., Taylor, C. M., Walsh, L. K., Dent, K. A., Mason, A., Sziklay, A., Smith, C. J., Nordenskjold, M., Romano, Corrado, Peeters, H., Gecz, J., and Xia, K.

Published
2020

41. Clinical presentation of young people (10–24 years old) with brain tumors: results from the international MOBI-Kids study

Author

Zumel-Marne, A. Kundi, M. Castaño-Vinyals, G. Alguacil, J. Petridou, E.T. Georgakis, M.K. Morales-Suárez-Varela, M. Sadetzki, S. Piro, S. Nagrani, R. Filippini, G. Hutter, H.-P. Dikshit, R. Woehrer, A. Maule, M. Weinmann, T. Krewski, D. ′t Mannetje, A. Momoli, F. Lacour, B. Mattioli, S. Spinelli, J.J. Ritvo, P. Remen, T. Kojimahara, N. Eng, A. Thurston, A. Lim, H. Ha, M. Yamaguchi, N. Mohipp, C. Bouka, E. Eastman, C. Vermeulen, R. Kromhout, H. Cardis, E.

Abstract

Introduction: We used data from MOBI-Kids, a 14-country international collaborative case–control study of brain tumors (BTs), to study clinical characteristics of the tumors in older children (10 years or older), adolescents and young adults (up to the age of 24). Methods: Information from clinical records was obtained for 899 BT cases, including signs and symptoms, symptom onset, diagnosis date, tumor type and location. Results: Overall, 64% of all tumors were low-grade, 76% were neuroepithelial tumors and 62% gliomas. There were more males than females among neuroepithelial and embryonal tumor cases, but more females with meningeal tumors. The most frequent locations were cerebellum (22%) and frontal (16%) lobe. The most frequent symptom was headaches (60%), overall, as well as for gliomas, embryonal and ‘non-neuroepithelial’ tumors; it was convulsions/seizures for neuroepithelial tumors other than glioma, and visual signs and symptoms for meningiomas. A cluster analysis showed that headaches and nausea/vomiting was the only combination of symptoms that exceeded a cutoff of 50%, with a joint occurrence of 67%. Overall, the median time from first symptom to diagnosis was 1.42 months (IQR 0.53–4.80); it exceeded 1 year in 12% of cases, though no particular symptom was associated with exceptionally long or short delays. Conclusions: This is the largest clinical epidemiology study of BT in young people conducted so far. Many signs and symptoms were identified, dominated by headaches and nausea/vomiting. Diagnosis was generally rapid but in 12% diagnostic delay exceeded 1 year with none of the symptoms been associated with a distinctly long time until diagnosis. © 2020, The Author(s).

Published
2020

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