{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T08:25:00Z","timestamp":1773995100599,"version":"3.50.1"},"reference-count":34,"publisher":"The Journal of Rheumatology","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Rheumatol"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:sec><jats:title>Objective.<\/jats:title><jats:p>To use ultrasonography to study whether the duration of psoriatic dactylitis was associated with different patterns of extracapsular and synovial-based involvement.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods.<\/jats:title><jats:p>One hundred cases of hand dactylitis from 85 patients with psoriatic arthritis (PsA) were consecutively enrolled in a multicenter cross-sectional study and divided into 2 groups according to dactylitis duration (shorter or longer than the median: 20 weeks). All dactylitis fingers were investigated using high-frequency ultrasound both in greyscale (GS) and power Doppler (PD), evaluating the presence of flexor tenosynovitis, soft tissue edema, subcutaneous PD signal (PDS), extensor tendon involvement, and joint synovitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results.<\/jats:title><jats:p>Cases with a shorter dactylitis duration (&lt; 20 weeks) had a significantly higher prevalence of GS flexor tenosynovitis of grade &gt; 2, PD flexor tenosynovitis, soft tissue edema, and subcutaneous PDS (p = 0.001, p &lt; 0.001, p &lt; 0.05, and p = 0.001, respectively). However, the presence of synovitis in GS and PD mode (in both cases at proximal interphalangeal level) was more frequent in patients with longer dactylitis duration (p &lt; 0.001). When detected in the chronic form, flexor tenosynovitis was grade 2 or lower.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion.<\/jats:title><jats:p>In a large cohort of PsA hand dactylitis, we found a predominant extracapsular inflammation (flexor tenosynovitis and soft tissue edema) in early cases and a high prevalence of joint synovitis at proximal interphalangeal level in the chronic form. However, longitudinal imaging studies are needed to clarify these aspects.<\/jats:p><\/jats:sec>","DOI":"10.3899\/jrheum.190046","type":"journal-article","created":{"date-parts":[[2019,5,15]],"date-time":"2019-05-15T12:36:51Z","timestamp":1557923811000},"page":"227-233","source":"Crossref","is-referenced-by-count":19,"title":["Ultrasonographic Evidence of Predominance of Acute Extracapsular and Chronic Intrasynovial Patterns in 100 Cases of Psoriatic Hand Dactylitis"],"prefix":"10.3899","volume":"47","author":[{"given":"Nicol\u00f2","family":"Girolimetto","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pierluigi","family":"Macchioni","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ilaria","family":"Tinazzi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7022-9685","authenticated-orcid":false,"given":"Luisa","family":"Costa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dennis","family":"McGonagle","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rosario","family":"Peluso","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio","family":"Del Puente","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Olga","family":"Addimanda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio","family":"Marchetta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Niccol\u00f2","family":"Possemato","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco","family":"Tasso","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlo","family":"Salvarani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5808-6607","authenticated-orcid":false,"given":"Raffaele","family":"Scarpa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8928-2520","authenticated-orcid":false,"given":"Francesco","family":"Caso","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2262","published-online":{"date-parts":[[2019,5,15]]},"reference":[{"key":"2020020109251869000_47.2.227.1","doi-asserted-by":"publisher","DOI":"10.3899\/jrheum.130163"},{"key":"2020020109251869000_47.2.227.2","doi-asserted-by":"publisher","DOI":"10.1093\/rheumatology\/keq262"},{"key":"2020020109251869000_47.2.227.3","doi-asserted-by":"publisher","DOI":"10.1186\/2193-1801-3-759"},{"key":"2020020109251869000_47.2.227.4","doi-asserted-by":"publisher","DOI":"10.1002\/art.21972"},{"key":"2020020109251869000_47.2.227.5","doi-asserted-by":"publisher","DOI":"10.3899\/jrheum.110845"},{"key":"2020020109251869000_47.2.227.6","doi-asserted-by":"publisher","DOI":"10.1002\/art.1780341003"},{"key":"2020020109251869000_47.2.227.7","first-page":"842","article-title":"Dactylitis in enteropathic spondyloarthritis","volume":"34","author":"Peluso","year":"2016","journal-title":"Clin Exp Rheumatol"},{"key":"2020020109251869000_47.2.227.8","first-page":"406","article-title":"Dactylitis involving most of the fingers","volume":"21","author":"Olivieri","year":"2003","journal-title":"Clin Exp Rheumatol"},{"key":"2020020109251869000_47.2.227.9","doi-asserted-by":"publisher","DOI":"10.1136\/ard.2003.018184"},{"key":"2020020109251869000_47.2.227.10","doi-asserted-by":"publisher","DOI":"10.1002\/art.11417"},{"key":"2020020109251869000_47.2.227.11","doi-asserted-by":"publisher","DOI":"10.1016\/j.berh.2010.05.004"},{"key":"2020020109251869000_47.2.227.12","first-page":"113","article-title":"Optimisation of rheumatology indices: dactylitis and enthesitis in psoriatic arthritis","volume":"32","author":"Ferguson","year":"2014","journal-title":"Clin Exp Rheumatol"},{"key":"2020020109251869000_47.2.227.13","unstructured":"Wright V . 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