BTG3 and systemic lupus erythematosus: Laboratory evaluation revealed cytopenias, proteinuria, and positive ANA and anti-dsDNA antibodies, leading to a diagnosis of SLE.<h4>Conclusion</h4>This case highlights the potential long-term autoimmune risk following KFD and emphasizes the importance of sustained clinical and immunological follow-up in pediatric patients for early detection and timely management.