Atypical polyarticular juvenile idiopathic arthritis revealing multicentric reticulohistiocytosis with pulmonary involvement. (5th September 2022) - Gaussem, Anna; Dusser, Perrine; Huynh, Van; Galeotti, Caroline; Schvartz, Adrien; Jaume, Léa; Rossi-Semerano, Linda; Koné-Paut, Isabelle; Borocco, Charlotte