Refractory pyoderma gangrenosum associated with rheumatoid arthritis successfully treated with upadacitinib. Comments on: “JAK inhibitors: a novel, safe, and efficacious therapy for pyoderma gangrenosum” - dos Santos, Mayra Rabelo; Ianhez, Mayra; Ribeiro, Bruno Nazeozeno; de Queiroz, Boaventura Braz; Miot, Helio Amante [UNESP] (Wiley, 2023)