Clinical and laboratorial features of polymyositis in a case of leptospirosis

Sometimes, it is not possible to establish an obvious distinction between the muscular manifestations due to infectious diseases and the idiopathic myositis. In fact, in some situations it is believed there is a causal relationship between those diseases. We describe the case of a patient with clinical and laboratorial features of polymyositis who had developed leptospirosis previously. The hypothesis of the infectious agent acting as a "trigger" to the muscular disease is discussed.

polymyositis; leptospirosis; rhabdomyolysis; anti-Jo-1

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