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Objective: To evaluate quality of life in children and adolescents with acute lymphocytic leukemia (ALL) and juvenile rheumatoid arthritis (JRA)., Material and Methods: We administered the Children's Global Assessment Scale (CGAS), the Vineland Adaptative Behavior Scale (VABS) and the Autoquestionnaire qualité de vie enfant imagé (AUQEI) to a sample of 28 children with ALL, 28 children with JRA, and 28 healthy controls, aged 4 to 13 years old, who were diagnosed between 1 and 5 years previously., Results: Slight differences were found in age between patients with ALL and those with JRA. No significant differences were found in time since diagnosis or in CGAS scores. A significant difference was found in VABS global scores, as well as in VABS communication domain scores. No significant differences were found in VABS daily living skills domain scores between patients with ARJ and healthy controls. No significant differences were found among the groups in VABS socialization domain scores or in AUQEI scores., Conclusion: In our study, chronically ill children clearly performed worse in adaptative behavior development. Nevertheless, their quality of life was similar to that of healthy controls. Appropriate methods to identify pediatric patients' perception of their illnesses and treatment should be urgently developed.

Background: Takayasu's arteritis is a rare vasculitis in the pediatric population that affects the aorta and its branches. There are few studies with an appropriate number of patients and follow-up., Objective: To describe the clinical manifestations, laboratory alterations, radiological findings, and treatment in eight children and adolescents with Takayasu's arteritis., Methods: A retrospective analysis of patients' records from 1990 to 2001 was performed., Results: There were six girls and two boys. The mean age at disease onset was five years and five months. The most common clinical manifestations were systemic findings and cardiovascular, dermatological and neurological abnormalities. In all patients inflammatory activity was high and in three patients the Mantoux test was strongly positive. The most common radiological findings were type IV and V. Treatment included steroids, methotrexate, cyclophosphamide, intravenous gamma globulin, and vascular surgery. Three patients presented sequelae., Conclusions: Takayasu's arteritis produces considerable morbidity and mortality. To make an early diagnosis, pediatricians should be aware of inflammatory systemic manifestations and cardiovascular abnormalities. To gain further knowledge of this entity prospective and ideally multicenter studies are required.