Case Report: Rapid improvement with upadacitinib in a case of paradoxical skin lesions associated with SAPHO syndrome
SAPHO syndrome is a rare autoinflammatory disorder with osteoarticular and cutaneous involvement. Paradoxical skin lesions have been reported during treatment with tumor necrosis factor-α (TNF-α) inhibitors. We describe a 42-year-old man with a 6-year …