Intracerebral Space-Occupying Lesions With Brain Density (Isodense Lesions)
Intracranial space-occupying lesions can be demonstrated directly in the CT scan as a result of differences in density between these lesions and adjacent brain tissue, or they may be demonstrated indirectly through the presence of perifocal cerebral edema or shifts in such intracranial structures as the internal and external C.S.F. spaces and physiological calcifications. Diagnosis of an intracranial mass lesion can be extremely difficult if these criteria are not fulfilled in the CT scan.
KeywordsAdenoma Meningioma Hydrocephalus Astrocytoma Medulloblastoma
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