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KMID : 0387820030100020170
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Clinical Pediatric Hematology-Oncology
2003 Volume.10 No. 2 p.170 ~ p.176
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Analysis on the Childhood Cancers Based on Cancer Registry Program in Korea in the Recent 5 Years
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Kim Hak-Sung
Gong Sun-Hee
Kim Soo-Yeon
Shin Hye-Jung
Kim Jae-Youn
Ahn Don-Hee
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Abstract
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Purpose: The purpose of this research is to elucidate the trend of incidence of childhood cancers for the recent 5 years and to use this study as a database of childhood cancers research by comparing to the existing data.
Methods: Childhood cancer patients registered in the cancer registry program of the Ministry of Health and Welfare in Korea during January 1, 1995 to December 31, 1999 were included as study samples. Our current data was obtained to be compared with the previous results 1st report during 1982~1987 and 2nd report during 1988~1992). Analysis of our study was obtained from the data of the patients of childhood cancers under 15 years old registered in the 128 hospitals, except for the patients who are registered repeatedly.
Results: Accumulated number of cases of the childhood cancers was 5,433 (1.5% of the total cases of all ages). A male to female incidence ratio was 1.3 to 1. The most common malignant tumor was leukemia (33.1%). Out of 1,800 cases of leukemia, 1,142 cases (63.4%) were lymphoid leukemia, 468 cases (26.0%) were acute non-lymphocytic leukemia and 97 cases (5.4%) were chronic myeloid leukemia. The second most common malignancy was central nervous system tumor (16.0%), followed by lymphoma (8.0%), gonadal and germ cell tumors (7.9%), sympathetic nervous system tumor (6.7%), bone tumor (5.1%), soft tissue sarcoma (4.8%), renal tumor (4.0%), retinoblastoma (3.3%) and hepatic tumor (2.6%). The most common malignant tumor in the 0~4 year-old age was leukemia (32.6%), followed by central nervous system tumor (12.7%) and sympathetic nervous system tumor (11.5%). In the 5~9 year-old age group, the most common malignant tumor was leukemia (38.0%), as well, followed by central nervous system tumor (21.7%) and lymphoma (11.6%). In the 10~14 year-old age group, the most common cancers were leukemia (29.8%), central nervous system tumor (16.5%) and bone tumor (11.7%).
Conclusion: We were unable to note any differences in the incidence of childhood cancers when comparing the current data and the previous ones.
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KEYWORD
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Childhood Cancers, Korea
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