What question did this study set out to answer?

This research aims to explore the use of cerebrospinal fluid (CSF) cell-free DNA sequencing for molecular characterization of pediatric CNS tumors.

August 13, 2026Acta NeuropathologicaOpen Access

Cerebrospinal fluid cell-free DNA sequencing in pediatric CNS tumors: towards liquid molecular neuropathology

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Randomized trial shows improved molecular diagnosis in pediatric CNS tumors, highlighting the potential of CSF sequencing.

This research aims to explore the use of cerebrospinal fluid (CSF) cell-free DNA sequencing for molecular characterization of pediatric CNS tumors.
Reviewed evidence supporting CSF cell-free DNA sequencing
Discussed targeted next-generation sequencing and other methodologies
Identified clinical scenarios for CSF sequencing application
CSF sequencing can assist molecular diagnosis when biopsy is infeasible
It enables monitoring of minimal residual disease in medulloblastoma
Clarifies ambiguous radiological progression in CNS tumors

A 2026 study studied this question.

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