Juvenile idiopathic polyarticular arthritis: Systemic manifestations and therapeutic challenges in adolescent patients [Artritis idiopática juvenil poliarticular: Manifestaciones sistémicas y desafíos terapéuticos en paciente adolescente]

Authors

DOI:

https://doi.org/10.62574/3mekdz70

Keywords:

juvenile arthritis, methotrexate, biological therapy

Abstract

Objective: Presentation of a case of polyarticular juvenile idiopathic arthritis with systemic manifestations and resistance to conventional treatment. Method: Clinical case report of a 14-year-old adolescent diagnosed with JIA at the age of 10. Results: The patient developed systemic manifestations (fever, rash), symmetrical arthritis in the wrists, knees and hands, prolonged morning stiffness, mild joint deformities and elevated inflammatory markers. She had a suboptimal response to conventional treatment with methotrexate and corticosteroids, highlighting the need to escalate therapy to biological agents. Conclusions: The case illustrates the clinical heterogeneity of polyarticular JIA, highlighting the importance of differential diagnosis with other autoimmune pathologies and the relevance of multidisciplinary management to optimise functional prognosis.

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References

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Published

2025-10-20

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Section

Comunicaciones clínicas

How to Cite

1.
Reyes-Pérez MA, Camacho-Arboleda SL, Sánchez-López HY, Arias-Meléndez DE. Juvenile idiopathic polyarticular arthritis: Systemic manifestations and therapeutic challenges in adolescent patients [Artritis idiopática juvenil poliarticular: Manifestaciones sistémicas y desafíos terapéuticos en paciente adolescente]. CER [Internet]. 2025 Oct. 20 [cited 2026 Jul. 27];3(especial2):1-10. Available from: https://revistasinstitutoperspectivasglobales.rperspectivasinvestigativas.org/index.php/CER/article/view/897

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