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Chromosome abnormalities in multiple meningiomas of a child

We report the cytogenetic findings in two meningiomas from a child presenting with multiple meningiomas. In contrast to the chromosomal profile of adult meningiomas, both tumors studied revealed excess of chromosomes in addition to monosomy 22. This difference is remarkable considering several reports indicating that childhood meningiomas behave differently and have a worse prognosis than those in adults.