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Dandy-Walker syndrome in adult mimicking myasthenia gravis
Cardoso, Juliana; Lange, Marcos C; Lorenzoni, Paulo J; Scola, Rosana H; Werneck, Lineu C.
  • Cardoso, Juliana; Universidade Federal do Paraná. Hospital de Clínicas. Internal Medicine Department. Neuromuscular/Neurology Division. Curitiba. BR
  • Lange, Marcos C; Universidade Federal do Paraná. Hospital de Clínicas. Internal Medicine Department. Neuromuscular/Neurology Division. Curitiba. BR
  • Lorenzoni, Paulo J; Universidade Federal do Paraná. Hospital de Clínicas. Internal Medicine Department. Neuromuscular/Neurology Division. Curitiba. BR
  • Scola, Rosana H; Universidade Federal do Paraná. Hospital de Clínicas. Internal Medicine Department. Neuromuscular/Neurology Division. Curitiba. BR
  • Werneck, Lineu C; Universidade Federal do Paraná. Hospital de Clínicas. Internal Medicine Department. Neuromuscular/Neurology Division. Curitiba. BR
Arq. neuropsiquiatr ; 65(1): 173-175, mar. 2007. ilus
Article in English | LILACS | ID: lil-446705
ABSTRACT
The Dandy-Walker syndrome (DWS) is a rare posterior fossa malformation. The DWS can occur associated with other brain or systemic malformations, but ocular abnormalities in this disease are rare and clinical findings mimicking myasthenia gravis have not been described to date. We report a 23-year-old woman who presented mild limitation of the ocular movements with progressive palpebral ptosis, which changed in intensity during the day. The investigation showed negative anti-acetylcholine receptor antibody, repetitive nerve stimulation and "Tensilon test", but the brain magnetic resonance image reveals DWS with hydrocephalus associated with calosal dysgenesis. The characteristic of disease, clinical manifestations and pathologic features, specially the clinical evaluation of ocular abnormalities in suspicion of DWS, including the MG in differential diagnosis are discussed.
RESUMO
A síndrome de Dandy-Walker (DWS) é uma rara malformação da fossa posterior que pode ocorrer associada com outras malformações cerebrais ou sistêmicas. As alterações oculares são raras e as manifestações clínicas, simulando miastenia gravis (MG), não foram descritas até o momento. Descrevemos uma mulher de 23 anos apresentando discreta limitação da movimentação ocular com progressiva ptose palpebral que mudava de intensidade durante o dia. A investigação mostrou negativos o anticorpo anti-receptor de acetilcolina, a estimulação nervosa repetitiva e o "teste do Tensilon", porém a ressonância magnética de crânio revelou DWS com hidrocefalia associada à disgenesia de corpo caloso. As características da doença, manifestações clínicas e patológicas, especialmente a avaliação clínica de anormalidade ocular na suspeita de DWS serão discutidas, incluindo a MG no diagnóstico diferencial.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Dandy-Walker Syndrome / Myasthenia Gravis Type of study: Diagnostic study Limits: Adult / Female / Humans Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Paraná/BR

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Full text: Available Index: LILACS (Americas) Main subject: Dandy-Walker Syndrome / Myasthenia Gravis Type of study: Diagnostic study Limits: Adult / Female / Humans Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Paraná/BR