Ultrasonography in psoriatic arthritis: which sites should we scan?

Affiliations

• ¹ Department of Medical and Biological Sciences, Rheumatology Clinic, University Hospital 'Santa Maria della Misericordia', Udine, Italy.
• ² Chair of Rheumatology and Rheumatology Unit, University Clinic and AOU of Cagliari, Cagliari, Italy.
• ³ Local Health Unit (ASL) Rome-1, Rome-4, Viterbo, Italy.
• ⁴ Division of Rheumatology, IRCSS Policlinico San Matteo Foundation, University of Pavia, Pavia, Italy.
• ⁵ Department of Medical and Biological Sciences, University of Turin, Torino, Italy.
• ⁶ Department of Medical Sciences, Section of Rheumatology, University of Ferrara, Ferrara, Italy.
• ⁷ Epidemiology Unit, Italian Society of Rheumatology (SIR), Milan, Italy.