• Muriel Velez-Arteaga, Gabriela Carolina Carrera-Barriga, Kevin Moreno-Montenegro, Camila Gallegos, Bryan Nicolalde, Beatriz Leon, and Katherine Guijarro.
• Universidad San Francisco de Quito, Quito, Ecuador.
• Medicine (Baltimore). 2024 Apr 5; 103 (14): e36451e36451.

IntroductionThe term "Rhupus" was employed to descriptively illustrate the overlap observed in some pediatric patients displaying features of both juvenile idiopathic arthritis (JIA) and systemic lupus erythematosus (SLE). Although "Rhupus" is traditionally used in adults, we applied it broadly to emphasize this clinical overlap.MethodsWe sought to identify studies that registered signs, symptoms, imaging characteristics, and treatments given to patients with JIA and SLE. We searched four databases using a Boolean search string, resulting in 231 articles after duplicate removal. Title and abstract screening yielded 57 articles for full-text assessment. Full reviewed 13 extracted data regarding sex, age of onset, serologic and imaging findings, and management strategies. The NIH quality assessment tool was applied to ensure the internal validity of the articles.ResultsFrom the 13 articles evaluated that meet inclusion criteria, none had standardized diagnostic algorithms. The total number of patients in those articles is 26, without discussing treatment guidelines.DiscussionClinical presentation, diagnostic parameters, and treatment of pediatric Rhupus were synthesized in this review. Fundamental keys help distinguish the joint presentation when Juvenile Idiopathic Arthritis or Lupus is present, compared with the signs and symptoms when developing the overlapping syndrome. We highlight the importance of physicians knowing about this rare condition and call all specialists to report new cases of the disease so a consensus can be reached to establish standardized guidelines for diagnosing and treating Rhupus syndrome.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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