RT Journal Article SR Electronic T1 New Advances in the Knowledge of Elemental Enthesis Lesions: Doppler, Erosion, and Thickness JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP jrheum.221116 DO 10.3899/jrheum.221116 A1 Cristina MacĂ­a-Villa A1 Eugenio De Miguel YR 2022 UL http://www.jrheum.org/content/early/2022/11/25/jrheum.221116.abstract AB The entheses are more than a point of anatomical attachment for tendons, ligaments, joint capsules and fascia to bones; its involvement in the pathophysiology of spondyloarthritis (SpA) and psoriatic arthritis (PsA) is the cornerstone of these diseases. In 1971, the relevance of the enthesis as the primary pathological site of seronegative SpA was clearly defined.1