Response to: ‘Interosseous tendon inflammation of rheumatoid arthritis: what's the real meaning?’ by Deng et al

We thank Deng for their interest in our study,1 in which we identified MRI interosseous tendon inflammation (ITI) in anticyclic citrullinated peptide positive at-risk individuals (CCP+ at risk) without clinical synovitis.2 Given the MRI appearances and absence of a tendon sheath on histological examination, we suggested ITI is a peritendonitis rather than a tenosynovitis. ITI was originally described as a tenosynovitis by Rowbotham et al .3...