الفهرس 
Introduction and aim of the workOnly 14 pages are availabe for public view
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Abstract
This study aimed to assess CD44 and CD44v6 expression in pediatric patients with ALL, and to evaluate their association with the different demographic, clinical and laboratory data, as well as their relation to disease Included 17 apparently healthy subjects matched for age and sex for patient group .This group included 9 males (52.9%) and 8 females (47.1%), their ages ranged from 4 to 12 years with mean ± SD 7.9±3.3 • There were no statistically significant differences between patient subgroups regarding age, sex, percentage of cases with splenomegaly and hepatomegaly, however there was border line statistically significant increase in percentage of cases with lymphadenopathy in group Iz compared to group I x and in group Iz compared to group I y • There was no statistically significant differences between patient subgroups regarding HB level, WBCs count, CD44v6 and immunophenotyping , however there was statistically significant decrease in platelet count and increase in LDH level in group Iz compared to group Ix.