Acessibilidade / Reportar erro

Neuronopatia sensitiva aguda idiopática: relato de caso

Acute idiopathic sensory neurononathy: case report

Resumos

As neuronopatias sensitivas caracterizam-se por parestesias, ataxia sensitiva e arreflexia sem comprometimento motor, devidas a lesão no gânglio sensitivo dorsal, com degeneração axonal e do cordão posterior da medula espinhal. Descrevemos o caso de uma paciente de 21 anos de idade, cuja doença se iniciou de modo agudo com parestesias distais, astasia, abasia e hiporreflexia. Força muscular normal. A condução nervosa sensitiva estava ausente e a motora, discretamente reduzida. LCR com 2 leucócitos/mm3 e 1,06 g/dL de proteínas. A biópsia de músculo evidenciou atrofia de fibras tipo 2 e a biópsia do nervo sural, desmielinização axonal. Tratada com prednisona, permaneceu discreto déficit proprioceptivo nos pés após um ano e meio de evolução. São discutidos aspectos clínicos do envolvimento dos gânglios sensitivos dorsais, possíveis etiologias tóxicas, a relação com neoplasias e com a síndrome de Sjogren.

neuronopatia sensitiva; poliganglionopatia sensitiva; neuropatía sensitiva aguda


Pure sensory neuropathies are clinically characterized by paresthesias, sensory ataxia and areflexia without muscle weakness. We report the case of a 21 years-old female patient with acute onset of distal paresthesias, marked sensory ataxia and hyporeflexia. Motor strenght was normal. Sensory nerve conduction was absent and motor nerve conduction slightly decreased. CSF showed 2 leucocytes/mm3 and 1.06 g/dL protein. Collagen disorder and neoplasia were, not found. Type 2 fiber atrophy was observed on muscle biopsy, and axonal demyelination on sural nerve biopsy. The patient was treated with prednisone. After 1.5 years she was recovered, but a minor proprioceptive deficit persisted. A revision is made on the etiology, pathophysiology and clinical manifestations of the disease.

sensory neuronopathy; sensory polyganglionopathy; acute sensory neuropathy


Neuronopatia sensitiva aguda idiopática: relato de caso

Acute idiopathic sensory neurononathy: case report

Lineu César WerneckI; Ylmar Correa NetoII; Rosana Hermínia ScolaIII

IServiço de Doenças Neuromusculares (DNM), Especialidade Neurologia, Departamento da Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba: Professor Titular

IIServiço de Doenças Neuromusculares (DNM), Especialidade Neurologia, Departamento da Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba: Residente de Neurologia (DNM)

IIIServiço de Doenças Neuromusculares (DNM), Especialidade Neurologia, Departamento da Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba: Neurologista

RESUMO

As neuronopatias sensitivas caracterizam-se por parestesias, ataxia sensitiva e arreflexia sem comprometimento motor, devidas a lesão no gânglio sensitivo dorsal, com degeneração axonal e do cordão posterior da medula espinhal. Descrevemos o caso de uma paciente de 21 anos de idade, cuja doença se iniciou de modo agudo com parestesias distais, astasia, abasia e hiporreflexia. Força muscular normal. A condução nervosa sensitiva estava ausente e a motora, discretamente reduzida. LCR com 2 leucócitos/mm3 e 1,06 g/dL de proteínas. A biópsia de músculo evidenciou atrofia de fibras tipo 2 e a biópsia do nervo sural, desmielinização axonal. Tratada com prednisona, permaneceu discreto déficit proprioceptivo nos pés após um ano e meio de evolução. São discutidos aspectos clínicos do envolvimento dos gânglios sensitivos dorsais, possíveis etiologias tóxicas, a relação com neoplasias e com a síndrome de Sjogren.

Palavras-chave: neuronopatia sensitiva, poliganglionopatia sensitiva, neuropatía sensitiva aguda.

SUMMARY

Pure sensory neuropathies are clinically characterized by paresthesias, sensory ataxia and areflexia without muscle weakness. We report the case of a 21 years-old female patient with acute onset of distal paresthesias, marked sensory ataxia and hyporeflexia. Motor strenght was normal. Sensory nerve conduction was absent and motor nerve conduction slightly decreased. CSF showed 2 leucocytes/mm3 and 1.06 g/dL protein. Collagen disorder and neoplasia were, not found. Type 2 fiber atrophy was observed on muscle biopsy, and axonal demyelination on sural nerve biopsy. The patient was treated with prednisone. After 1.5 years she was recovered, but a minor proprioceptive deficit persisted. A revision is made on the etiology, pathophysiology and clinical manifestations of the disease.

Key words: sensory neuronopathy, sensory polyganglionopathy, acute sensory neuropathy.

Full text available only in PDF format.

Texto completo disponível apenas em PDF.

Aceite: 2-dezembro-1992.

Dr. Lineu César Werneck — Rua Ewaldo Schiebler 780 - 82530-160 Curitiba PR - Brasil.

Trabalho realizado no Serviço de Doenças Neuromusculares (DNM), Especialidade Neurologia, Departamento da Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba

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Datas de Publicação

  • Publicação nesta coleção
    19 Jan 2011
  • Data do Fascículo
    Set 1993
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