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Corpus callosotomy is a surgical intervention used to treat seizures that persist despite treatment with antiseizure medications. During this procedure, a precise surgical incision is made in the corpus callosum, a bundle of fibers connecting the two hemispheres of the brain. By severing this connection, the spread of seizure activity from one hemisphere to the other is restricted, helping to control seizures.
A corpus callosotomy is a surgical treatment for epilepsy. Epilepsy is a long-term (chronic) condition that causes repeated seizures in children and adults.
During a corpus callosotomy procedure, a neurosurgeon carefully places a surgical cut through the patient's brain’s corpus callosum. the patient's corpus callosum is a band of nerve fibers that connects the two halves of the brain (hemispheres) and relays messages from one side of your brain to the other. A corpus callosotomy stops seizure signals from crossing back and forth between the two hemispheres, limiting the spread of seizure activity. Other names for this procedure include callosal sectioning and brain-splitting.
A corpus callosotomy is one of several different types of epilepsy surgery. surgeons usually reserve this type of surgery for people with severe epilepsy.
What kinds of seizures are addressed by corpus callosotomy?
A corpus callosotomy is primarily effective in treating atonic seizures, also known as drop seizures or drop attacks. These seizures cause a sudden loss of muscle strength, leading to collapse or falling. Individuals experiencing atonic seizures are at an increased risk of injuries such as broken bones and concussions.
It's important to note that corpus callosotomy is not typically effective for treating partial (focal) seizures. These seizures originate in a specific focal region of the brain and usually do not spread to the other hemisphere. Corpus callosotomy is most beneficial when seizures initiate on one side of the brain and rapidly propagate to the other hemisphere.
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