Imaging Evaluation of Pediatric Supratentorial Tumors: Pearls and Pitfalls.
This review describes age- and imaging-based differential diagnosis of pediatric supratentorial tumors, including high- versus low-grade, intraventricular, and rare lesions, and notes that some entities have diagnosis- and prognosis-defining genetic alterations.
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This review describes age- and imaging-based differential diagnosis of pediatric supratentorial tumors, including high- versus low-grade, intraventricular, and rare lesions, and notes that some entities have diagnosis- and prognosis-defining genetic alterations.
Research significance
The supplied record supports imaging-based diagnostic narrowing and recognition of molecularly defined tumor entities; it is reasonable to infer that more accurate classification could improve surgical and adjuvant-treatment selection, but no therapeutic intervention or outcome benefit is evaluated.
Source abstract
Pediatric supratentorial tumors are almost always primary brain tumors. They are defined by a relatively short list of diagnoses that can be broadly divided into tumors with high-grade and low-grade features, intraventricular lesions, and other rare tumors. The differential diagnosis can be further narrowed depending on age at presentation and particular imaging features. Treatment in most cases is surgical resection and may be followed by adjuvant therapy. Many tumors, such as high-grade glioma, ependymoma, and atypical teratoid rhabdoid tumor, are associated with specific genetic mutations that determine diagnosis and prognosis. ©RSNA, 2026 Supplemental material is available for this article.