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Prospective intellectual testing in children with brain tumors
P K Duffner1, M E Cohen, M S Parker
1Department of Neurology, State University of New York, Buffalo.
Annals of Neurology
|June 1, 1988
Summary
Pediatric brain tumor survivors often maintain normal intelligence but experience IQ decline post-treatment. Young age and chemotherapy increase risks for learning disabilities and intellectual decline.
Area of Science:
- Neuro-oncology
- Pediatric oncology
- Developmental psychology
Background:
- Brain tumors in children pose significant challenges to neurodevelopment.
- Long-term cognitive outcomes for pediatric brain tumor patients require ongoing investigation.
Purpose of the Study:
- To prospectively evaluate intellectual function in children with brain tumors.
- To identify factors influencing cognitive decline and learning disabilities in this population.
Main Methods:
- Prospective intellectual evaluations of 16 children with brain tumors over 2-5 years.
- Assessment of treatment modalities including surgery, radiation, and chemotherapy.
- Analysis of intelligence quotient (IQ) scores and identification of learning disabilities.
Main Results:
- Most children maintained normal intelligence, but IQ scores showed a decline over time.
- Learning disabilities were prevalent in 15 of 16 children post-radiation.
- 11 children required special educational services.
Conclusions:
- Younger age at radiation and the use of adjuvant chemotherapy are risk factors for IQ decline.
- Pediatric brain tumor survivors are at high risk for long-term learning disabilities and cognitive deficits.