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Neuromyotonia: Remembering a Rare Pathology

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Resumo:Neuromyotonia is an exceedingly rare disease. In most cases it seems to be acquired, with a probable autoimmune origin. It is characterized by peripheral nerve hyperexcitability with muscle hyperactivity and deficient relaxation, and it is frequently accompanied by autonomic and sensitive symptoms. The diagnosis is established by electromyography, showing spontaneous, multiple single motor unit discharges, firing at a high frequency. The diagnosis is relevant not only to achieve symptom control but also for its known association with neoplasia, which must be ruled out. Nevertheless, the diagnosis is difficult to establish due to the nonspecific and variable symptoms that may lead to confusion with the more common psychiatric or motor neuron diseases. Misdiagnose can result in incorrect therapeutic actions with further iatrogenic symptoms. We report a typical case of neuromyotonia, in respect of which we review the clinical presentation, complementary diagnostic methods, natural evolution and treatment of the disease.
Autores principais:Martins, Sara Raquel
Outros Autores:Xavier Pires, Sara; Marinho, António
Assunto:Síndrome de Isaac/diagnóstico Síndrome de Isaac/tratamento Isaacs Syndrome/diagnosis Isaacs Syndrome /therapy
Ano:2021
País:Portugal
Tipo de documento:artigo
Tipo de acesso:unknown
Instituição associada:Sociedade Portuguesa de Medicina Interna
Idioma:português
Origem:Revista Portuguesa de Medicina Interna

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