{"title":"Adolescents with acute lymphoblastic leukemia: a new \"age\".","authors":"James B Nachman","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Adolescents with acute lymphoblastic leukemia (ALL) have a higher incidence of T-cell immunophenotype, a higher incidence of Philadelphia chromosome positive ALL, a lower incidence of high hyperdiploidy and TEL-AML1 translocation, and a lower incidence of extramedullary bulk disease compared to younger patients. There appears to be little difference between 10-15 and 16-21 year old patients. Adolescents with ALL have a lower event free survival (EFS) compared to younger patients. Adolescents 16-21 years of age treated on pediatric ALL trials have a significantly better EFS than those treated on adult trials. Pediatric treatment protocols utilize more vincristine, steroid and L-asparaginase compared to adult trials. In a recently completed Children's Cancer Group trial, adolescents 16-21 years of age had a four-year EFS of 73.1%. Avascular necrosis of bone is an important complication of therapy in adolescents with ALL.</p>","PeriodicalId":82483,"journal":{"name":"Reviews in clinical and experimental hematology","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2003-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Reviews in clinical and experimental hematology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Adolescents with acute lymphoblastic leukemia (ALL) have a higher incidence of T-cell immunophenotype, a higher incidence of Philadelphia chromosome positive ALL, a lower incidence of high hyperdiploidy and TEL-AML1 translocation, and a lower incidence of extramedullary bulk disease compared to younger patients. There appears to be little difference between 10-15 and 16-21 year old patients. Adolescents with ALL have a lower event free survival (EFS) compared to younger patients. Adolescents 16-21 years of age treated on pediatric ALL trials have a significantly better EFS than those treated on adult trials. Pediatric treatment protocols utilize more vincristine, steroid and L-asparaginase compared to adult trials. In a recently completed Children's Cancer Group trial, adolescents 16-21 years of age had a four-year EFS of 73.1%. Avascular necrosis of bone is an important complication of therapy in adolescents with ALL.
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