| Título: | Pediatric cancers that need radiotherapy in Iran: |
| Autores: |
Khodabakhshi, R Yahyazadeh, SH Shahidi, J Mortazavi, SH Alidoosti, A Mosavi-Jarrahi, A Shahrad, B |
| Fecha: | 2012-04-24 |
| Publicador: | Shahid Beheshti University of Medical Sciences |
| Fuente: |
Ver documento |
| Tipo: |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| Tema: | No aplica |
| Descripción: | AbstractObjective: Several studies have been published on the epidemiology of childhood malignancies worldwide. The primary objective of this study is to determine the relative frequency of pediatric cancers in Iran.Methods: Using a retrospective approach, all confirmed cases of malignancies aged 14 years old or less at the time of first referral to the department of radiation oncology of Jorjani hospital entered to the study. Registered pediatric cancers from 1972 to 2001 were classified into 12 groups according to the International Classification of Childhood Cancer (ICCC).Results: Among 1881 registered malignancies, leukemia was the most common form (36.8%). Thereafter, in descending order of frequency were lymphoma (16.6%), CNS (14.2%), kidney (7.1%), soft tissue (5.8%), bone (5.2%), retinoblastoma (4.9%), sympathetic nervous system (3.5%), epithelial (2.3%), and germ cell tumors (2.1%). Only five patients (0.3%) had liver cancer.Conclusion: Like other similar studies worldwide, leukemia, lymphoma, and CNS tumors were the most common types of childhood cancers in our study. Since relative frequency of cancers in referred patients to a radiation oncology department cannot give a precise estimation about cancer prevalence in the country, establishing a national cancer registry can lead to achieve more accurate cancer prevalence and incidence rate.Keywords: cancer epidemiology, pediatric cancers, relative frequencyReferences1. Arias E, MacDorman M, Strobino D, Guter B. Annual summary of vital statistics-2002. Pediatrics 2003; 112: 1215. 2. Agha M, DiMonte B, Greenberg M, et al. Incidence trends and projections for childhood cancer in Ontario. Int J Cancer 2006; 118(11): 2809-15. 3. Li CK, Mang DWK, Foo W. Epidemiology of paediatric cancer in Hong Kong, 1992 to 1991.HKMJ 1999; 5: 128-34. 4. Dalmasso P, Pastore G, Zuccolo L, et al. Temporal trends in the incidence of childhood leukemia, lymphomas and solid tumors in north-west Italy, 1967-2001: A report of the Childhood Cancer Registry of Piedmont Haematologica 2005; 90: 1197-1204. 5. Miller RW, Young JL, Novakovic B. Childhood cancer. Cancer 1995; 75 (I Suppl): 395-405. 6. Lanier AP, Holck P, Day GE, Key C. Childhood Cancer Among Alaska Natives. Pediatrics 2003; 112: 396. 7. Ocheni S, Okafor CO, Emodi IJ, et al. Spectrum of childhood maligoancies in Enugu, Nigeria (1999-2004). Afr J Med Med Sci 2005; 34: 371-5. 8. Desandes E, ClavelJ, Berger C, et al. Cancer incidence among children in France, 1990-1999. Pediatr Blood Cancer 2004: 43: 749-57. 9. Chaudhuri K, Sinha A, Hati GC, et al. Childhood maligoancies at BS Medical College: a ten year study. Indian J Pathol Microbiol 2003; 46: 194-6. 10. Nurzynska-Flak J, Zawitkowska-Klaczynska J, Kowaiczyk JR. Incidence of childhood cancers in rural areas of the Lublin Region in 1988-2000. Ann Univ Mariae Curie Sklodowska 2004; 59: 453-8. 11. Juárez-Ocania S, González-Miranda G, Mejía-Aranguré JM et al. Frequency of cancer in children residing in Mexico City and treated in the hospitals of the Instituto Mexicano del Seguro Social (1996-2001). BMC Cancer 2004; 4: 50. 12. Valsecchi MG, Tognoni G, Bonilla M et al. Clinical epidemiology of childhood cancer in Central America and Caribbean countries. Ann Oncol 2004; 15: 680-5. 13. Sadjadi A, Nouraie M, Mohagheghi MA, et al. Cancer occurrence in Iran in 2002, an international perspective. Asian Pac J Cancer Prey 2005; 6(3): 359-63. 14. Babaei M, Mousavi S, Malek M, et al. Cancer occurrence in Semnan Province, Iran: results of a population-based cancer registry. Asian Pac J Cancer Prey 2005; 6(2): 159-64. 15. Sadjadi A, Malekzadeh R, Derakhshan MH, et al. Cancer occurrence in Andabil: results of a populetion-based cancer registry from Iran. Int J Cancer 2003; 107(1):113-8.16. Karimi M, Yarmohammadi H, Ghavanini AA, Kumar PV. Epidemiological surveillance of pediatric Hodgkin's disease in southern Iran. Med Sci Monit 2002; 8(8): CR572-5. 17. Kramarova E, Stiller CA. The international classification of childhood cancer. Int J Cancer 1996; 8: 756-65. 18. Kadri H, Mawla AA, Murad L. Incidence of childhood brain tumors in Syria (1993-2002). Pediatr Neurosurg 2005: 41(4):173-7. |
| Idioma: | Inglés |
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