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Rhythmic palatal myoclonus in a 45-year-old man who recovered from encephalitis. (Contributed by Dr. Ravindra Kumar Garg.)
Neuropharmacology & Neurotherapeutics
Apr. 01, 2021
Childhood Degenerative & Metabolic Disorders
Mar. 22, 2020
Sep. 05, 2020
Epilepsy & Seizures
Dravet syndrome presents with convulsive seizures in infants, followed by developmental slowing, intellectual disability, and other seizure types persisting into adulthood. Pharmacoresistance is a defining feature. Most cases are due to severe SCN1A gene mutations.
Nov. 24, 2020
GM2 gangliosidoses are caused by beta-hexosaminidase deficiency. There are 2 major phenotypes: Tay-Sachs disease, caused by beta-hexosaminidase A deficiency,
May. 25, 2019
Oct. 06, 2020
Drug-induced seizures can occur as an adverse effect of drugs from different pharmacological categories, and have no clinical features to differentiate them from idiopathic epileptic seizures. Most resolve after discontinuation of the offending drug. Use of drugs known to cause seizures should be avoided in patients with predisposition to seizures.
Sep. 13, 2020
Tumefactive demyelinating lesions can present with motor, cognitive, cerebellar, and brainstem dysfunction, as well as headache, seizures, aphasia, cortical sensory loss, or psychosis. They are more likely to cause cortical signs, such as altered mental status and visual field deficits, than typical CNS demyelinating lesions. Two-thirds of patients with this condition subsequently develop multiple sclerosis.
Jan. 07, 2021