<prompt> The poor prognostic factor associated with ALL in children is -Total leucocyte count 4000-10000Age more than 2 yearsTesticular involvementFemale gender  <response>: High risk factors in ALL are age belw 1yr more than 10 yr, male gender, wbc count more than 50,000cubic millimeter .,massive hepatomegaly,lymphadenopathy,mediastinal mass,central nervous system leukemia ,mature B cell as phenotype,hypodiploidy.Reference :Op Ghai essentials of pediatrics 8th edition pg no 601. 