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What is Commonest site of extramedullary relapse of ALL and explain in detail?
Despite success of modern treatment,20-30% of children with ALL relapse.The main cause of treatment failure in leukemia is relapse of the disease.Common sites of relapse are the bone marrow(20%),central nervous system(5%),and testis(3%).Relapse in extramedullary sites,paicularly testes,is more ourable in terms of survival. Reference:Essential pediatrics-Ghai,8th edition,page no:604