What does this research mean for the field?

Statin-induced necrotizing autoimmune myopathy can present with overlapping serologic markers for dermatomyositis, such as MDA5 and TIF-1 antibodies, necessitating muscle biopsy for definitive diagnosis and appropriate management. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To present a case of statin-induced necrotizing autoimmune myopathy (SINAM) and discuss its diagnosis and management.

May 20, 2026American Journal of Respiratory and Critical Care Medicine

C42-51 A Case of Statin-induced Necrotizing Autoimmune Myopathy - Or Is It?

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Authors

KPK PaisBeth Israel Deaconess Medical Center KSK SoniBeth Israel Deaconess Medical Center

Discussion

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Implication

Case report identifies statin-induced necrotizing autoimmune myopathy in a 60-year-old male, implying tailored immunosuppressive treatment may aid recovery.

Key Points

To present a case of statin-induced necrotizing autoimmune myopathy (SINAM) and discuss its diagnosis and management.
Analyzed patient history with statin use and symptoms of weakness.
Performed blood work showing elevated CK levels and myositis panel with positive anti-HMGCR antibody.
Conducted MRI and muscle biopsy to confirm diagnosis.
The patient exhibited elevated CK of 6,457 and anti-HMGCR antibody positivity, confirming SINAM diagnosis.
Treatment with IVIG and steroids led to gradual symptom improvement.
Differentiation from dermatomyositis was crucial due to differing management strategies.

Cite This Study

Pais et al. (2026) studied this question.

synapsesocial.com/papers/6a0d5098f03e14405aa9c8fb https://doi.org/10.1093/ajrccm/aamag162.862

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Implication

Case report identifies statin-induced necrotizing autoimmune myopathy in a 60-year-old male, implying tailored immunosuppressive treatment may aid recovery.

C42-51 A Case of Statin-induced Necrotizing Autoimmune Myopathy - Or Is It?

Discussion

Member takes

Implication

Key Points

Cite This Study

C42-51 A Case of Statin-induced Necrotizing Autoimmune Myopathy - Or Is It?

Discussion

Member takes

Implication

Key Points

Cite This Study

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