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Thalamotomy (Greek: θάλαμος, romanized: thalamus, lit. 'chamber'; Greek : τομή , romanized : tomē , lit. 'cut, slice') is a surgical procedure in which a functional lesion is made into the thalamus to improve the overall brain function in patients.
Thalamotomy is another surgical option in the treatment of Parkinson's disease. However, rigidity is not fully controlled after successful thalamotomy, it is replaced by hypotonia. Furthermore, significant complications can occur, for example, left ventral-lateral thalamotomy in a right-handed patient results in verbal deterioration while right ...
The procedures generally involve a thalamotomy and/or pallidotomy. A thalamotomy is the destruction of a part of the thalamus, in particular the ventralis intermedius, to suppress tremor in 80-90% of patients. If rigidity and akinesia are apparent, the subthalamis nucleus is then the site of ablation.
-centesis : surgical puncture-tripsy : crushing or breaking up-desis : fusion of two parts into one, stabilization-ectomy : surgical removal (see List of -ectomies). ...
Pallidotomy is a neurosurgical procedure. It is used to treat Parkinson's disease and some other conditions, often as an alternative to deep brain stimulation.It involves placing a tiny electrical probe in the globus pallidus, one of the basal ganglia of the brain, to damage it.
Frontal MRI four days after MRgFUS (MRI-guided high-intensity focused ultrasound): Left ventral intermediate nucleus (Vim) thalamotomy. 79-year-old man with essential tremor. One of the first applications of HIFU was the treatment of Parkinson's disease in the 1940s. Although ineffective at the time, HIFU has the capacity to lesion pathology.
The thalamus (pl.: thalami; from Greek θάλαμος, "chamber") is a large mass of gray matter on the lateral walls of the third ventricle forming the dorsal part of the diencephalon (a division of the forebrain).
Thalamotomy has been used to treat many forms of tremors, including those that arise from trauma, MS, stroke, and those whose cause is unknown. This is a very invasive, high-risk treatment with many negative effects, such as MS worsening, cognitive dysfunction, worsening of dysarthria , and dysphagia .