Abstract
The object of analysis in this study is the brain which has brain edema. Brain edema is tissue that stores overabundantly CSF (Cerebrospinal Fluid) in cells. It forms in brain tissue and appears as white part in the image of MRI. However, as the image shows only the state that CSF is stored, it gives us no information on the direction or quantity of CSF flow flux. Therefore, we study the flow of CSF through computer simulation. First, we construct a two-dimensional model of the brain by using FEM based on Poisson's equation and diffusion equation and simulate the CSF flow in brain tissue in order to know the quantity of CSF stored. Second, we simulate the situation that colored-Albumin is poured into the brain tissue at the edema's point and compare the distribution of CSF with the image of CT. It is observed that results on CSF flow got by the simulation are similar to those by the pathological observation.
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