thalamotomy

thalamotomy
Destruction of a selected portion of the thalamus by stereotaxy for the relief of pain, involuntary movements, epilepsy, and, rarely, emotional disturbances; produces few, if any, neurologic deficits or undesirable personality changes. [thalamus + G. tome, incision]

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thal·a·mot·o·my .thal-ə-'mät-ə- n, pl -mies a surgical operation involving electrocoagulation of areas of the thalamus to interrupt pathways of nervous transmission through the thalamus for relief of certain mental and psychomotor disorders

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n.
an operation on the brain in which a lesion is made in a precise part of the thalamus. It has been used to control psychiatric symptoms of severe anxiety and distress, in which cases the lesion is made in the dorsomedial nucleus of the thalamus, which connects with the frontal lobe. See also psychosurgery.

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thal·a·mot·o·my (thalə-motґə-me) [thalamus + Gr. -otomy] a stereotactic surgical technique for the discrete destruction of specific groups of cells within the thalamus; done to relieve pain, to alleviate the tremor and rigidity of Parkinson disease, and as psychosurgery to relieve certain anxiety states, psychoses, and obsessive-compulsive states.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Thalamotomy — First introduced in the 1950s, thalamotomy is an invasive procedure, primarily effective for tremors such as those associated with Parkinson s Disease (PD), where a selected portion of the thalamus is surgically destroyed (ablated). Neurosurgeons …   Wikipedia

  • thalamotomy — n. surgery to remove part of the thalamus (part of the midbrain) …   English contemporary dictionary

  • thalamotomy — thal·a·mot·o·my …   English syllables

  • thalamotomy — n. an operation on the brain in which a lesion is made in a precise part of the thalamus. It has been used to control psychiatric symptoms of severe anxiety and distress, in which cases the lesion is made in the dorsomedial nucleus of the… …   The new mediacal dictionary

  • thalamotomy — ˌthaləˈmäd.əmē noun ( es) Etymology: thalam + tomy : a surgical operation involving electrocoagulation of areas of the thalamus and thereby interrupting pathways of nervous transmission through the thalamus for relief of certain mental disorders …   Useful english dictionary

  • Таламотомия (Thalamotomy) — хирургическая операция на головном мозге, заключающаяся в разрушении отдельных участков таламуса. Данная операция выполняется для лечения таких психиатрических симптомов, как сильный страх и дистресс; в этом случае разрушается соединенное с… …   Медицинские термины

  • anterior thalamotomy — production of lesions in the anterior nucleus of the thalamus …   Medical dictionary

  • dorsomedial thalamotomy — production of lesions in the dorsomedial nucleus of the thalamus, a psychosurgical technique for the relief of certain anxiety states, psychoses, and obsessive compulsive states …   Medical dictionary

  • ТАЛАМОТОМИЯ — (thalamotomy) хирургическая операция на головном мозге, заключающаяся в разрушении отдельных участков таламуса. Данная операция выполняется для лечения таких психиатрических симптомов, как сильный страх и дистресс; в этом случае разрушается… …   Толковый словарь по медицине

  • Intention tremor — Classification and external resources ICD 10 G25.2 ICD 9 333.1 …   Wikipedia

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