When Childhood Meets Cancer: Tracking Two Decades of Mortality in Pediatric Brain and Blood Malignancies

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Pediatric neurological and hematologic malignancies are the leading causes of cancer-related mortality in children. Hematologic malignancies are the most common type of childhood cancer, with leukemia making up nearly 28 % of pediatric cancer cases and lymphomas around 9 % [1]. Brain tumors are the second most frequent, accounting for over 15 % of childhood cancers [2]. Previous studies on mortality trends have mainly focused on specific demographic subgroups; however, national trends over time have not been characterized comprehensively.

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Article · May 2025 · 1 min read

In brief

This study examines two decades of national mortality trends in pediatric brain tumors and hematologic cancers (leukemia and lymphoma), which together represent the leading causes of cancer death in children. Unlike prior research focused on specific populations, this analysis provides comprehensive temporal patterns across all demographic groups.

Hematologic malignancies are the most common childhood cancers, with leukemia comprising 28% and lymphomas 9% of pediatric cases.
Brain tumors are the second most frequent childhood cancer, accounting for over 15% of cases.
Pediatric neurological and hematologic malignancies remain the leading causes of cancer-related death in children.
National mortality trends for these malignancies have not been comprehensively characterized over time despite prior demographic studies.

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