Learn about the disease, illness and/or condition Temporal Lobe Resection including: symptoms, causes, treatments, contraindications and conditions at ClusterMed.info.
Temporal Lobe Resection
|Temporal Lobe Resection|
Temporal Lobe Resection Information
The largest part of the brain, the cerebrum, is divided into four paired sections -- the frontal, parietal, occipital, and temporal lobes. Each lobe controls a specific group of activities. The temporal lobe, located on either side of the brain just above the ear, plays an important role in hearing, language, and memory. In people with temporal lobe epilepsy, the area where the seizures start -- called the seizure focus -- is located within the temporal lobe. This is the most common type of epilepsy in teens and adults.
How Effective Is a Temporal Lobe Resection?
Temporal lobe resection is successful in eliminating or significantly reducing seizures in 70% to 90% of patients.
What Are the Risks of a Temporal Lobe Resection?
The complication rate with temporal lobe resection is low, but there are some risks, including:
What Are the Side Effects of Temporal Lobe Resection?
The following symptoms may occur after surgery, although they generally go away on their own:
What Happens After Temporal Lobe Resection?
The patient generally stays in the hospital for two to four days. Most people having temporal lobe resection surgery will be able to return to their normal activities, including work or school, in six to eight weeks after surgery. The hair over the incision will grow back and hide the surgical scar. Most patients will need to continue taking anti-seizure medication for two or more years after surgery. Once seizure control is established, medications may be reduced or eliminated.
What Happens Before a Temporal Lobe Resection?
Candidates for temporal lobe resection undergo an extensive pre-surgery evaluation -- including seizure monitoring, electroencephalography (EEG), magnetic resonance imaging (MRI), and positron emission tomography (PET). These tests help to pinpoint the seizure focus within the temporal lobe and to determine if surgery is possible.
What Happens During a Temporal Lobe Resection?
A temporal lobe resection requires exposing an area of the brain using a procedure called a craniotomy. ("Crani" refers to the skull and "otomy" means "to cut into.") After the patient is put to sleep with anesthesia, the surgeon makes an incision (cut) in the scalp, removes a piece of bone and pulls back a section of the dura, the tough membrane that covers the brain. This creates a "window" in which the surgeon inserts special instruments for removing the brain tissue. Surgical microscopes also are used to give the surgeon a magnified view of the area of the brain involved. The surgeon utilizes information gathered during the pre-operative evaluation -- as well as during surgery -- to define, or map out, the route to the correct area of the temporal lobe. In some cases, a portion of the surgery is performed while the patient is awake, using medication to keep the person relaxed and pain-free. This is done so that the patient can help the surgeon find and avoid areas of the brain responsible for vital functions. While the patient is awake, the doctor uses special probes to stimulate different areas of the brain. At the same time, the patient is asked to count, identify pictures, or perform other tasks. The surgeon can then determine the area of the brain associated with each task.
What Is a Temporal Lobe Resection?
A temporal lobe resection is a surgery performed on the brain to control seizures. In this procedure, brain tissue in the temporal lobe is resected, or cut away, to remove the seizure focus. The anterior (front) and mesial (deep middle) portions of the temporal lobe are the areas most often involved.
Who Is a Candidate for Temporal Lobe Resection?
Temporal lobe resection may be an option for people with epilepsy whose seizures are disabling and/or not controlled by medication, or when the side effects of medication are severe and significantly affect the person's quality of life. In addition, it must be possible to remove the brain tissue that contains the seizure focus without causing damage to areas of the brain responsible for vital functions, such as movement, sensation, language, and memory.
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