two mayor types of brain edema , related to two different pathomechanisms , can be recognized : 1 ) cytotoxic type-where the main feature is the swelling of cellular elements of brain parenchyma and 2 ) vasogenic type-where an increased vascular permeability leading to accumulation of edema fluid in the extracellular spaces plays the principal role .
C0006114
the swelling
C0013604
edema