Journal
JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/jcm10122604
Keywords
dactylitis; psoriatic arthritis; ultrasound; imaging; score
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Dactylitis, a common feature of PsA, is characterized by swelling of the digits and involvement of various anatomical structures. Imaging plays an important role in managing dactylitis in PsA patients and uncovering underlying mechanisms of its onset and chronicity.
Dactylitis, one of the most typical features of psoriatic arthritis (PsA), is the diffuse swelling of the digits and is determined by the involvement of different anatomic structures, including: the subcutaneous fibrous tissue accessory pulley system; flexor tendons, with their related structures; the articular synovium; the small enthesis of the hands. Dactylitis is currently considered both a marker of disease activity and severe prognosis and its importance in PsA is emphasized by the inclusion in the classification criteria of PsA. This review focuses on the role of imaging in the management of PsA patients with dactylitis in clinical practice and in a research setting. Furthermore, imaging could be a valuable tool to assist in unravelling some of the underlying mechanisms of the onset and chronicization of dactylitis in PsA patients.
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