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Enzyme
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Target Concepts:
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Query: UMLS:C0029089 (
ophthalmoplegia
)
3,338
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
A 69-year-old woman presented with acute bilateral ptosis,
ophthalmoplegia
, ataxia, and hyporeflexia in the extremities following an antecedent upper respiratory infection. We suspected that she had Miller Fisher syndrome (MFS) and performed an edrophonium test (ET) to rule out myasthenia gravis (MG).
Edrophonium chloride
improved the patient's bilateral ptosis, but not her
ophthalmoplegia
. Given the absence of the waning phenomenon on electrophysiological examination, the anti-acetylcholine receptor antibody, and a diurnal variation of symptoms, we concluded that the ET result was a false-positive. A diagnosis of MFS was confirmed by the presence of a positive anti-GQ1b antibody. To our knowledge, this is the first case report of MFS with a false-positive ET.
...
PMID:[A case of Miller Fisher syndrome with a false-positive edrophonium test]. 3114 7
