Hoffman's syndrome: pseudohypertrophic myopathy as initial manifestation of hypothyroidism. Case report

Autor: Luiz Felipe Rocha Vasconcellos, Maria Claudia Peixoto, Tatiana Oliveira, Glória Maria Cardoso de Andrade Penque, Ana Claudia Celestino Leite
Jazyk: angličtina
Rok vydání: 2003
Předmět:
Zdroj: Arquivos de Neuro-Psiquiatria, Vol 61, Iss 3B, Pp 851-854 (2003)
Arquivos de Neuro-Psiquiatria v.61 n.3B 2003
Arquivos de neuro-psiquiatria
Academia Brasileira de Neurologia
instacron:ABNEURO
ISSN: 1678-4227
Popis: The frequency of myopathy in hypothyroidism ranges from 30 to 80%. The major symptoms related are weakness, muscular cramps and myalgia. The pseudohyperthrophic form is called Hoffman's syndrome. The electrophysiological study reveals myopathy, neuropathy or mixed pattern. Laboratorial investigation generally shows increased levels of muscle enzymes and low serum thyroid hormones, with thyrotrophic-stimulating hormone (TSH) elevated. The treatment consists in hormone replacement and the prognosis is good in most of the cases. We report an adult male who developed muscular cramps, myalgia, weakness, pseudohyperthrophy, associated with facial edema and alteration of his voice. The muscle enzymes were increased and T4 was undetectable with a raised level of TSH. The myopathy was the initial manifestation of hypothyroidism in this case.
Databáze: OpenAIRE