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Amygdalohippocampectomy is a surgical procedure for the treatment of epilepsy.It consists of the removal of the hippocampus, which has a role in memory, spatial awareness, and navigation, [1] and the amygdalae, which have a role in the processing and memory of emotional reactions, [2] both structures forming part of the limbic system of the brain.
The type of surgery depends on the location of the seizure focal point. Surgeries for epilepsy treatment include, but are not limited to: temporal lobe resection, hemispherectomy, ground temporal and extratemporal resection, parietal resection, occipital resection, frontal resection, extratemporal resection, and callosotomy. [20] [21]
If epilepsy surgery is being considered, testing is often performed to determine the hemisphere of the brain involved in language and memory function. This helps inform about potential risks to language and memory with surgery. There are two main tests available for this objective: the Wada test and fMRI.
Disconnection syndrome is another well-known side effect of the surgery. [15] This occurs due to the brain's inability to transfer information between the hemispheres. [ 16 ] One characteristic symptom is the "crossed-avoiding reaction", which is observed when one hemisphere does not respond to visual or sensory (e.g., touch, pressure, or pain ...
Anatomical hemispherectomy refers to the resection and removal of an entire hemisphere of the brain, which includes all four lobes, with or without the removal of basal ganglia and thalamus. [ 6 ] Functional hemispherectomy refers to surgeries that disable the function of one hemisphere, while maintaining its blood supply and without physically ...
About 70-90% of surgery are successful in removing the tumour. [4] Since the tumour is most often benign, and does not impose immediate threat, aggressive treatments such as chemotherapy and radiation are not needed, and therefore patients especially children and young adults do not have to go through the side effects of these treatments. [5]
An FDA draft suggests LASIK surgery patients be better warned of potential complications. Experts explain potential laser eye surgery side effects.
Temporal lobe epilepsy is the most common focal onset epilepsy, and 80% of temporal lobe epilepsy is mesial (medial) temporal lobe epilepsy, temporal lobe epilepsy arising from the inner part of the temporal lobe that may involve the hippocampus, parahippocampal gyrus or amygdala.
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