Posterior fossa astrocytoma

Last revised by Dr Joshua Yap on 13 Oct 2022

Posterior fossa astrocytomas, those arising either from the cerebellum or from the brainstem are most frequently seen in children. Approximately 60% of all pediatric astrocytomas are found in the posterior fossa (20% brainstem, 40% cerebellum).

Many types of astrocytoma are found in the posterior fossa of children, however, two make up the majority of cases:

In adults, high-grade astrocytomas with piloid features are also encountered. 

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Cases and figures

  • Case 1: juvenile pilocytic astrocytoma
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  • Case 2: diffuse midline glioma
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