Duchenne gene carrier as cause of asymptomatic hyperckemia

Asymptomatic hyperCKemia can be a clinical challenge for physicians, although its long term prognosis seems benign 1 .The causes usually include heavy exercise practice, muscle injury, drug-induced myopathy, chronic alcoholism, hypothyroidism, clinically silent myopathies, and susceptibility to malignant hyperthermia.A frequently missed cause in women is the carrier status of the Duchenne muscular dystrophy 2 .We report a case and discuss its investigational approach.