Magnetic resonance imaging of the sacroiliac joints in SpA: with or without intravenous contrast media? A preliminary report.

Object: Active sacroiliitis based on magnetic resonance imaging (MRI) without intravenous (I.V.) contrast material injection is considered sufficient for the diagnosis of spondyloarthritis (SpA), according to the Assessment of SpondyloArthritis International Society (ASAS) criteria.