67-year-old female with posterior fossa meningioma. Evaluate for mass change. Heterogeneous mass within the left posterior fossa extending into the upper cervical spine is seen. There is mass effect on the left cerebellar hemisphere and fourth ventricle with surrounding vasogenic edema corresponding to recent MRI. There is no significant hydrocephalus. The basal cisterns are normal in size and configuration. There is no evidence of intracranial hemorrhage. Extensive of subcortical lucencies consistent with small vessel ischemic disease is unchanged.The calvaria and skull base are radiographically normal. The visualized paranasal sinuses and mastoid air cells are normally pneumatized.
1. No acute change in left posterior fossa meningioma with no evidence of hydrocephalus2. Extensive small vessel ischemic disease of indeterminate age.