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Two Types of Cerebral Edema
- Cerebral edema has two types: vasogenic and cytotoxic.
- This distinction helps understand how steroids work.
Blood-Brain Barrier
- The blood-brain barrier is a layer of tightly bound endothelial cells.
- It prevents substances in blood from entering the brain.
Tumor's Effect on Blood-Brain Barrier
- Brain tumors disrupt the blood-brain barrier.
- This disruption causes leakiness and allows fluid into brain tissue, leading to vasogenic edema.