Medical Definition of MST
MST: A multiple subpial transection (MST) is a procedure is used to help control seizures that begin in areas of the brain that cannot be safely removed. The surgeon makes a series of shallow cuts (transections) in the brain tissue. These cuts interrupt the movement of seizure impulses but do not disturb normal brain activity, leaving the person's abilities intact.
Last Editorial Review: 6/9/2016
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