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Query: UMLS:C0036572 (seizures)
 80,221 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The subcortical arteriosclerotic encephalopathy of Binswanger is characterized clinically by hypertension, dementia, spasticity, syncope, and seizures. It is usually diagnosed pathologically by the finding in white matter of diffuse demyelination or foci of necrosis plus arteriosclerotic and hypertensive vasculopathy. We present a case in which the diagnosis was made on the basis of the clinical course and a computerized tomogram which demonstrated extensive white matter degeneration. Postmortem examination confirmed both the diagnosis and the extent of the degeneration as shown by CT scan.
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PMID:Subcortical arteriosclerotic encephalopathy (Binswanger): computerized tomography. 57 97

The reported case presented an unusual form of congenital carotid-sagittal communication. Clinical findings included: except vascular murmur over the skull a characteristic syndrome consisting of of epleptic seizures, hemiparesis, aphasia and dementia. The communication was excised radically in its central and peripheral parts. The segment corresponding to the main trunk of the middle cerebral artery was narrowed by means of bipolar coagulation. Postoperative angiography and disappearance of most neurological signs after the operation showed that the chronically ischaemic parts of the brain resumed their functions.
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PMID:[Congenital carotid-sinus cervical-sagittal fistula]. 59 13

The description is given of a structural and ultrastructural aspect of a cerebral biopsy specimen collected from a 17-year-old patient, with very frequent convulsive seizures, dementia, motor aphasia and spastic tetraparesis. The disease started at the age of 9 years and evolved very slowly. The morphologic diagnosis was neurolopidosis, the ultrastructural one was atypical juvenile lipofuscinosis, the electron microscopic aspect being identical to that of another 3 cases published in the literature: highly polymorphous membranogranulovesicular cytosomes.
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PMID:Atypical juvenile neurolipidosis. Ultrastructural study of a cerebral biopsy. 68 48

A case of musicogenic epilepsy or psychomotor seizures supervening whenever the patient hears a certain tune is presented. Nearly 70 cases of musicogenic epilepsy have been documented so far. The findings in these cases including those encountered by ourselves may be summarized as follows: Musicogenic epilepsy is more common among middle-aged persons. In an unexpectedly large proportion of cases the cause is unknown. Among the organic causes, head injury is of the highest incidence. It is quite unlikely that brain bumor is responsible. There is no dementia or mental retardation as in some forms of reflex epilepsy. The seizure is overwhelmingly of the psychomotor type. The EEG pattern often suggests temporal lobe epilepsy. There seems to be no cerebral dominance. Different kinds of music can be the inducer, ranging from those primarily intended to stimulate the sense to those appealing to affect. The activating mechanism of the condition still remains obscure. In the strict sense of the word, the condition cannot be termed reflex epilepsy.
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PMID:[About musicogenic epilepsy (author's transl)]. 70 53

The clinical features of 42 patients with the only recently recognized and generally fatal neurological syndrome of progressive dialysis encephalopathy are reviewed and the electroencephalographic and neuropathological findings are summarized. Despite apparently successful hemodialysis, these patients develop a wide spectrum of neurological abnormalities. Of these, sudden onset of hesitant, nonfluent speech is the most characteristic and usually the earliest sign. Both dysphasic and dysarthritic elements are found, though the former predominate. Myoclonus, dementia, seizures, and gait difficulty are also seen in the majority of these patients. EEGs are more abnormal than would be expected for the clinical severity, with some type of high-voltage spike-wave pattern intermixed with abundant slow activity. The combination of clinical and EEG features in the appropriate setting is virtually diagnostic. Transient episodes with variable periods of complete or partial remission have been recognized. Neuropathological changes are surprisingly mild and nonspecific. The cause is uncertain; current speculation focuses on aluminum as the offending neurotoxin. Treatment remains unsatisfactory.
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PMID:Progressive dialysis encephalopathy. 71 32

In the four years between 1972 and 1976 twenty out of 160 maintenance dialysis patients developed dialysis dementia. Their illness was characterized by an insidious onset of mental deterioration, speech disturbance, apraxia, and myoclonus. The disease progressed inexorably to a fatal outcome, the onset of seizures being an ominous sign, and the average duration of the illness being seven months. Routine biochemical studies were unremarkable, and osteodystrophy was not a prominent feature. Serial electroencephalograms (EEG) showed progressive slowing of the rhythm, usually antedating the neurologic symptoms. Brain scan and flow studies were normal. Radio-iodinated serum albumin (RISA) scans in seven patients showed changes suggesting altered cerebrospinal fluid (CSF) dynamics. Treatment was generally ineffective, but ventriculo-peritoneal shunting produced transient neurologic improvement in one patient. Epidemiologic investigations showed high aluminum levels in city water during the period of the outbreak.
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PMID:Dialysis dementia -- the Chicago experience. 75 Jun 11

Twenty-three children surviving more than 5 years from the diagnosis of leukemia, lymphoma, or malignant histiocytosis were evaluated for clinical evidence of central nervous system disease. Severe impairment, consisting of seizures, paraplegia, and dementia was present in 4, all of whom received methotrexate (MTX) and other agents for 2 to 7 years. Brain biopsies in 3 of these children showed white-matter gliosis and no evidence of viral or other infections or leukemic infiltrates. Of the remaining children 10/19 were found to have mild clinical or EEG abnormalities. All had received i.v. MTX with other drugs for 2-6 years; 5 did not receive cranial irradiation. Common to all impaired patients was the administration of intravenous methotrexate in relatively high doses over a prolonged period of time. Impairment in nervous system function may present as a spectrum of deficiencies, with the most severe resulting in death, or as in the 4 patients described here, profound dementia and dependence. Less dramatic changes in functioning, may, however, result from various combinations of chemotherapy and radiation therapy. Methods of assessing their etiology and impact on survivors need now to be devised.
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PMID:Effects of chemotherapy on the central nervous system. A study of parenteral methotrexate in long-term survivors of leukemia and lymphoma in childhood. 76 54

We describe a 16-year-old boy who has a progressive dementia and seizures. On investigation, he was found to have a mitochondrial myopathy and elevated lactate levels in the blood and cerebrospinal fluid. His sister died at 18 years of age of a similar condition.
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PMID:Familial poliodystrophy, mitochondrial myopathy, and lactate acidemia. 84 50

Two unrelated patients with the cherry red spot--myoclonus syndrome, a rare chronic neuronal storage disorder that begins in childhood with progressive myoclonus, cherry red spots at the macula, and easily controlled seizures, but no dementia, have been investigated electrophysiologically in order to characterize the myoclonic and electroencephalographic features of this syndrome. Phenomenologically, the disease most closely resembles the Ramsay Hunt syndrome, although certain unique features are noted and the patients are not photosensitive. Pathologically and clinically, the disease is related to mucolipidosis type I and atypical cases of GM1 gangliosidosis, and the EEGs obtained from our patients are identical to those seen in mucolipidosis type I. Because of the unusual clinical picture presented in this disease, there should be no difficulty in differentiating it from other more malignant storage disorders and progressive myoclonus epilepsies of childhood. Electrophysiological findings suggest that the myoclonic jerks do not originate cortically, but the specific subcortical generators have not been identified.
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PMID:Electrophysiological studies in two patients with cherry red spot--myoclonus syndrome. 85 94

A family is described with essential non-progressive chorea occurring in an autosomal dominant inheritance pattern over four generations. A few families with an apparently similar disorder have been reported previously. This condition is characterized by early childhood onset of chorea which is not progressive and is compatible with a long life. It is not associated with dementia, seizures, rigidity, or ataxia. It is a socially embarrassing condition and may, sometimes, be associated with behavioural problems and learning difficulties. For genetic counselling, it is important to distinguish this disorder from Huntington's disease and other hereditary disorders associated with chorea.
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PMID:Familial essential ("benign") chorea. 100 46


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