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Stereotactic ventro-oral (Vo) thalamotomy has been performed in cases of focal task-specific dystonia, including writer's cramp, with excellent outcomes. However, no reports have revealed the outcome of Vo thalamotomy in a patient with a contralateral cerebral lesion. Herein, we describe a patient with left hand writer's cramp with an old lesion in the left hemisphere and transient gait disturbance after right Vo thalamotomy.
This article was published in the following journal.
Name: World neurosurgery
Writer's cramp (WC) is a task-specific focal dystonia. WC is characterized by involuntary contractions of muscles of the hand and arm during handwriting, resulting in impaired writing with exaggerated...
Hand and finger movements are mostly controlled through crossed corticospinal projections from the contralateral hemisphere. During unimanual movements, activity in the contralateral hemisphere is inc...
Each cerebral hemisphere primarily controls and receives sensory input with regard to the contralateral hand. In the disconnected brain (split-brain), when the hands are uncrossed, direct visual acces...
Although experimental studies have shown that global cerebral hypoperfusion leads to amyloid deposition in the hemisphere with carotid artery occlusion in rodents, the results of such occurrence are c...
Ipsilateral connectivity from the non-stroke hemisphere to paretic arm muscles appears to play little role in functional recovery, which instead depends on contralateral connectivity from the stroke h...
Writer's cramp (WC) is a form of focal dystonia, a movement disorder characterized by sustained or intermittent muscle contractions causing abnormal, often repetitive movements, postures, ...
Writer's cramp is a focal dystonia characterized by abnormal movements and postures during writing. Limited finger independence during writing manifests as difficulty suppressing unwanted ...
Cortical excitability depends on inhibitory mechanisms efficiency among which long latency intracortical inhibition (LICI) can be studied by paired pulses transcranial magnetic stimulation...
Background: - People with dystonia have muscle contractions they can t control. These cause slow, repeated motions or abnormal postures. People with dystonia have abnormalities in certa...
Writer's cramp (WC) is a task specific dystonia that occurs from the moment patient starts writing. It leads to partial or complete inability to use the hand only during the handwriting ge...
Acquired and inherited conditions that feature DYSTONIA as a primary manifestation of disease. These disorders are generally divided into generalized dystonias (e.g., dystonia musculorum deformans) and focal dystonias (e.g., writer's cramp). They are also classified by patterns of inheritance and by age of onset.
WHO regional office for the Americas acting as a coordinating agency for the improvement of health conditions in the hemisphere. The four main functions are: control or eradication of communicable diseases, strengthening of national and local health services, education and training, and research.
A syndrome associated with injury to the lateral half of the spinal cord. The condition is characterized by the following clinical features (which are found below the level of the lesion): contralateral hemisensory anesthesia to pain and temperature, ipsilateral loss of propioception, and ipsilateral motor paralysis. Tactile sensation is generally spared. (From Adams et al., Principles of Neurology, 6th ed, p162).
Functional region comprising posterior part of the SUPERIOR TEMPORAL GYRUS in the dominant cerebral hemisphere (see CEREBRAL DOMINANCE) and often portions of the PARIETAL LOBE. Along with BROCA AREA it is important in SPEECH and LANGUAGE processes. A lesion in the area is associated with WERNICKE APHASIA and CONDUCTION APHASIA.
Loss of the power to comprehend written materials despite preservation of the ability to write (i.e., alexia without agraphia). This condition is generally attributed to lesions that "disconnect" the visual cortex of the non-dominant hemisphere from language centers in the dominant hemisphere. This may occur when a dominant visual cortex injury is combined with underlying white matter lesions that involve crossing fibers from the occipital lobe of the opposite hemisphere. (From Adams et al., Principles of Neurology, 6th ed, p483)