Brain space occupying lesion

Normal human cranial cavity mainly contains brain tissue, cerebrospinal fluid, cerebrovascular and blood flowing in the lumen. Under normal circumstances, the cranial cavity is completely closed, the volume of the cranial cavity and its volume are constant, and a certain pressure is maintained in the skull (about 0.686-1.96 kPa, or 70-180 mm water column). The so-called intracranial mass lesions refer to a certain space in the cranial cavity occupied by focal lesions, which cause clinical focal neurological symptoms, signs and increased intracranial pressure. Brain space-occupying lesions.

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