http://www3.interscience.wiley.com/cgi-bin/abstract/99017080/START
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Online ISSN: 1096-911X Print ISSN: 0098-1532 Copyright © 2002 Wiley-Liss, Inc. |
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Research Article
| SEER update of incidence and trends in pediatric malignancies: Acute lymphoblastic leukemia |
| Dawn Elizabeth McNeil, MD 1 *, Timothy R. Coté, MD, MPH 2, Limin Clegg, PhD 2, Alvin Mauer, MD 3 |
| 1National Cancer Institute, Division
of Cancer Epidemiology and Genetics, Genetic Epidemiology Branch, Rockville,
Maryland 2National Cancer Institute, Division of Cancer Control and Population Sciences, Cancer Statistics Branch, Rockville, Maryland 3Division of Hematology/Oncology, University of Tennessee, Memphis, Tennessee |
| email: Dawn Elizabeth McNeil (mcneile@mail.nih.gov) |
*Correspondence to Dawn Elizabeth McNeil, Genetic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, NCI/NIH/EPS room 7125, 6120 Executive Boulevard, MSC 7236, Bethesda, MD 20892-7236.
| Keywords |
| acute lymphoblastic leukemia (ALL) • epidemiology • SEER |
| Abstract |
Background |
| Acute lymphoblastic leukemia (ALL) represents the most common malignancy of childhood. Its incidence peaks in children just before school entry age; i.e., in 2-3 year olds. It is known to be more common in white children in the USA; the incidence is also higher in boys than girls. |
Procedure |
| We reviewed the 5,379 cases of ALL among persons under 20 years of age in the National Cancer Institute's Surveillance Epidemiology and End Results (SEER) database. |
Results |
| The overall incidence of ALL was 26/106 person-years between 1973 and 1998, but increased from 19/106 person-years in 1973-77 to 28/106 person-years in 1993-98 (P < 0.0001). Rates were 44% higher among Whites compared to Blacks (27/106 person-years vs. 15/106 person-years, P < 0.0001). In 1992-1998, the incidence rate for Hispanics was 43/106 person-years, significantly higher than non-Hispanics (28/106, P < 0.0001). White children with ALL had better 5-year survival rates than Black children with ALL (71% vs. 58%, P < 0.0001), and 5-year survival was poorest among black males. |
Conclusions |
| ALL incidence has increased over the examined 25-year period. The rate in US whites is higher than that of US Blacks, and the rates in the Hispanic subgroup are the highest of all. While the median survival period is now more than 10 years overall, the 5-year survival rate remains poor for Black males under 4 years of age. Socioeconomic factors do not account for this difference, which may relate to ALL subtype distribution. Med Pediatr Oncol 2002;39:554-557. © 2002 Wiley-Liss, Inc. |
Received: 6 February 2002; Accepted: 30 April 2002
| Digital Object Identifier (DOI) |
10.1002/mpo.10161 About
DOI
| References are available in the Enhanced Abstract |
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