Posterior Fossa Syndrome (PFS): A constellation of neurological and behavioral symptoms occurring in children following posterior fossa tumor resection.
Incidence: Occurs in approximately 8% of children undergoing posterior fossa tumor surgery.
Etiology:
Damage to the cerebellum and cerebello-thalamo-cortical pathways.
Post-surgical edema, ischemia, or disruption of white matter tracts.
Affects structures like the dentate nuclei, superior cerebellar peduncles, and their projections.
