Author

Ji Li

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Case report Open access Sep 2026

Case Report: Acquired hemophilia A presenting with recurrent arthritis-like joint swelling and musculoskeletal hematomas—a focused literature review

Background Acquired hemophilia A (AHA) usually causes cutaneous, soft-tissue, or muscle bleeding; joint-dominant presentations are uncommon and may be mistaken for septic or inflammatory arthritis. Case presentation A man in his late 60s with no personal or family bleeding history developed recurrent arthritis-like joi...

Jing Zhang, Li-Na Zhang, Sheng-Guang Li et al. · Frontiers in Medicine · 0 citations

Open access Oct 2026

Case Report: When muscle edema is not a myositis flare: Legionella pneumonia complicated by rhabdomyolysis and acute kidney injury in long-standing polymyositis

Legionella pneumophila is an important cause of severe community-acquired pneumonia and can produce extrapulmonary manifestations that obscure the primary diagnosis. Diagnostic error is especially likely in patients with established idiopathic inflammatory myopathy, because fever, myalgia, weakness, creatine kinase...

Jing Zhang, Li-Na Zhang, Sheng-Guang Li et al. · Frontiers in Medicine · 0 citations