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The Gamma Ray surgery was developed from the knife experiment. It is a form of brain surgery that uses radiation to destroy spots of tissue in the brain, while giving significant relief to some people with disabling obsessive-compulsive disorder.
Methods used to destroy tissue included thermocoagulation, suction, radioisotopes and leucotomes. By far the most common diagnosis of those undergoing psychosurgery was depression, followed by anxiety, violence, obsessive-compulsive disorder, and schizophrenia. [22] The Mental Health Act 1983 legislated for the use of psychosurgery.
Radiosurgery is surgery using radiation, [1] that is, the destruction of precisely selected areas of tissue using ionizing radiation rather than excision with a blade. Like other forms of radiation therapy (also called radiotherapy), it is usually used to treat cancer.
This compelled Leksell to consider other radiation sources and he started designing the cobalt-60 gamma unit, which was fully integrated with the stereotactic system. The development of the ‘‘beam-knife’’ took place after Leksell had been appointed successor to Olivecrona in 1960 and the first unit was inaugurated in 1967.
It may also be used as part of adjuvant therapy, to prevent tumor recurrence after surgery to remove a primary malignant tumor (for example, early stages of breast cancer). Radiation therapy is synergistic with chemotherapy , and has been used before, during, and after chemotherapy in susceptible cancers.
Sekula trained under Dr. Peter Jannetta, who pioneered the modern approach, and does the surgery about 225 times each year. As Flournoy put it, "You do not want to go to a neurosurgeon who does ...
DBS was approved as humanitarian device exemptions for dystonia in 2003, [4] obsessive–compulsive disorder (OCD) in 2009, and approved for epilepsy in 2018. [ 5 ] [ 6 ] [ 7 ] DBS has been studied in clinical trials as a potential treatment for chronic pain , for various affective disorders, including major depression , for Alzheimer's disease ...
Stereotactic surgery is a minimally invasive form of surgical intervention that makes use of a three-dimensional coordinate system to locate small targets inside the body and to perform on them some action such as ablation, biopsy, lesion, injection, stimulation, implantation, radiosurgery (SRS), etc.
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