di Reumatologia, S.I. (tran.) (2025) “PO:29:144 | Refractory localized pain in fibromyalgia and the importance of differential diagnosis: two cases of Bertolotti’s syndrome and avascular necrosis successfully treated with targeted therapy: Andrea Lacarpia1, Riccardo Terribili1, Silvia Valentini1, Marta Fabbroni1, Stefano Barbagli1, Stefano Gentileschi1, Caterina Baldi1, Luca Cantarini1, Bruno Frediani1 | 1Azienda Ospedaliera Universitaria Senese, Università degli Studi di Siena, Italy”, Reumatismo, 77(s1). doi:10.4081/reumatismo.2025.2202.