Hemispheric cerebellar astrocytoma - Suboccipital approach

HCA is a tumoral lesion, often cystic and with a mural nodule, that occurs commonly within the cerebellum, but it may occur all over the central nervous system. It has a slow growth rate and is classified as grade I by the World Health Organization. It is most common in pediatric population and represents 10% to 15% of all pediatric brain tumors.

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