Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0013362 (dysarthria)
 3,768 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 51-year-old man presented at the emergency department with a one-day history of fever, altered mental status, slurred speech, worsening gait instability, nausea, vomiting, and diarrhea. The patient did not have a history of alcoholism or drug abuse. On physical examination, crackles were heard over the right lower lobe. Neurological findings revealed ataxic gait, dysarthria and bilateral dysmetria upon finger-nose testing. The results of laboratory tests revealed leukocytosis, renal failure, and hyponatremia. Chest radiography and lung computed tomography (CT) revealed right lower lobe infiltrates with air bronchograms. The result of a urinary Legionella antigen test was positive. The results of brain CT and cerebrospinal fluid (CSF) analyses did not reveal any signs of infection, but brain magnetic resonance imaging (MRI) revealed a corpus callosum lesion upon admission. The patient's symptoms began to resolve after the administration of intravenous levofloxacin. A subsequent brain MRI examination performed 9 days after admission showed the complete resolution of the lesion. He was discharged 11 days after admission without any neurological sequelae. He was finally diagnosed as having clinically mild encephalitis/ encephalopathy with a reversible splenial lesion (MERS).
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PMID:[A Case of Legionella Pneumonia Causing Neurological Symptoms Related to a Reversible Corpus Callosum Lesion]. 3021 52

Marchiafava-Bignami disease (MBD) is a rare disorder of unknown etiology, strongly associated with alcoholism and malnutrition. MBD causes primary involvement of the corpus callosum, leading to confusion, dysarthria, seizures, and frequent death. We report the case of a 54-year-old male without a history of alcoholism or known malabsorption disease, who presented with altered consciousness and neurologic impairment. Complex B deficiency was addressed. Magnetic resonance imaging (MRI) showed typical corpus callosum lesions. The clinical features and radiologic images suggested spinal cord involvement. Brain histopathologic findings were consistent with MBD. Despite vitamin replacement therapy, he had a poor outcome.
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PMID:Marchiafava-Bignami Disease Associated with Spinal Involvement. 3319 36

Marchiafava-Bignami disease (MBD) is a rare, toxic demyelinating disorder of the central nervous system associated with chronic alcoholism and malnutrition. The clinical presentation is varied and non-specific, including symptoms of acute dementia, impaired consciousness, dysarthria, hemiparesis, pyramidal tract signs, seizure activity, ataxia and signs of interhemispheric disconnection. The differential diagnosis of MBD may include Wernicke's encephalopathy, multiple sclerosis, encephalitis, infectious or paraneoplastic leucoencephalopathy, infarction, Alzheimer's disease, multi-infarct dementia and frontotemporal lobar degeneration (Pick) disease. The diagnosis of MBD is dependent on MRI findings of hyperintensity of the corpus callosum on T2 and fluid-attenuated inversion recovery T2 sequences, with or without extracallosal lesions. The use of MRI in diagnosis has allowed for early initiation of treatment with parenteral thiamine, and improved the prognosis of MBD from frequently fatal to a mortality of less than 8%. Administration of thiamine within 14 days of symptom onset has demonstrated statistically better outcomes over delayed treatment. We present a case report of MBD diagnosed in a 72-year-old woman who presented with ataxia and slurred speech, in an effort to highlight the importance of obtaining MRI in patients presenting with behavioural disturbance and neurological findings, as well as discuss the relationship between thiamine supplementation and demyelinating diseases in the central nervous system.
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PMID:Rare case of Marchiafava-Bignami disease due to thiamine deficiency and malnutrition. 3330 6


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