Cerebellar pilocytic astrocytomas with spontaneous intratumoral hemorrhage in the elderly: A case report and review of the literature.

Rationale: Pilocytic astrocytoma (PA) is the most common pediatric central nervous system glial tumor. Adult occurrence is rare, especially in elderly adults. How to manage the pilocytic astrocytoma with spontaneous intratumoral hemorrhage in the elderly is still unfamiliar with clinician.