Introduction:

autoimmune necrotizing myositis is a rare disease in our environment, but it constitutes one of the forms of autoimmune inflammatory myopathies in approximately 20% of cases.

Case report:

This paper presents the case of a patient who was hospitalized in the internal medicine service who had a favorable outcome after his diagnosis.

Conclusion:

Autoimmune necrotizing myositis is an inflammatory myopathy that is difficult to diagnose, but is increasingly prevalent among myopathies.

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