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Hum, Ryan Malcolm; Lilleker, James B; Lamb, Janine A; Oldroyd, Alexander G S; Wang, Guochun; Wedderburn, Lucy R; Diederichsen, Louise P; Schmidt, Jens; Danieli, Maria Giovanna; Oakley, Paula; Griger, Zoltan; Nguyen Thi Phuong, Thuy; Kodishala, Chanakya; Vazquez-Del Mercado, Monica; Andersson, Helena; De Paepe, Boel; De Bleecker, Jan L; Maurer, Britta; McCann, Liza; Pipitone, Nicolo; McHugh, Neil; New, Robert Paul; Ollier, William E; Krogh, Niels Steen; [...]

Comparison of clinical features between patients with anti-synthetase syndrome and dermatomyositis: results from the MYONET registry

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  • Medientyp: E-Artikel
  • Titel: Comparison of clinical features between patients with anti-synthetase syndrome and dermatomyositis: results from the MYONET registry
  • Beteiligte: Hum, Ryan Malcolm; Lilleker, James B; Lamb, Janine A; Oldroyd, Alexander G S; Wang, Guochun; Wedderburn, Lucy R; Diederichsen, Louise P; Schmidt, Jens; Danieli, Maria Giovanna; Oakley, Paula; Griger, Zoltan; Nguyen Thi Phuong, Thuy; Kodishala, Chanakya; Vazquez-Del Mercado, Monica; Andersson, Helena; De Paepe, Boel; De Bleecker, Jan L; Maurer, Britta; McCann, Liza; Pipitone, Nicolo; McHugh, Neil; New, Robert Paul; Ollier, William E; Krogh, Niels Steen; [...]
  • Erschienen: Oxford University Press (OUP), 2023
  • Erschienen in: Rheumatology
  • Sprache: Englisch
  • DOI: 10.1093/rheumatology/kead481
  • ISSN: 1462-0324; 1462-0332
  • Schlagwörter: Pharmacology (medical) ; Rheumatology
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Objectives</jats:title> <jats:p>To compare clinical characteristics, including the frequency of cutaneous, extramuscular manifestations and malignancy, between adults with anti-synthetase syndrome (ASyS) and DM.</jats:p> </jats:sec> <jats:sec> <jats:title>Methods</jats:title> <jats:p>Using data regarding adults from the MYONET registry, a cohort of DM patients with anti-Mi2/-TIF1γ/-NXP2/-SAE/-MDA5 autoantibodies, and a cohort of ASyS patients with anti-tRNA synthetase autoantibodies (anti-Jo1/-PL7/-PL12/-OJ/-EJ/-Zo/-KS) were identified. Patients with DM sine dermatitis or with discordant dual autoantibody specificities were excluded. Sub-cohorts of patients with ASyS with or without skin involvement were defined based on presence of DM-type rashes (heliotrope rash, Gottron’s papules/sign, violaceous rash, shawl sign, V-sign, erythroderma, and/or periorbital rash).</jats:p> </jats:sec> <jats:sec> <jats:title>Results</jats:title> <jats:p>In total 1054 patients were included (DM, n = 405; ASyS, n = 649). In the ASyS cohort, 31% (n = 203) had DM-type skin involvement (ASyS-DMskin). A higher frequency of extramuscular manifestations, including Mechanic’s hands, Raynaud’s phenomenon, arthritis, interstitial lung disease and cardiac involvement differentiated ASyS-DMskin from DM (all P &amp;lt; 0.001), whereas higher frequency of any of four DM-type rashes—heliotrope rash (n = 248, 61% vs n = 90, 44%), violaceous rash (n = 166, 41% vs n = 57, 9%), V-sign (n = 124, 31% vs n = 28, 4%), and shawl sign (n = 133, 33% vs n = 18, 3%)—differentiated DM from ASyS-DMskin (all P &amp;lt; 0.005). Cancer-associated myositis (CAM) was more frequent in DM (n = 67, 17%) compared with ASyS (n = 21, 3%) and ASyS-DMskin (n = 7, 3%) cohorts (both P &amp;lt; 0.001).</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusion</jats:title> <jats:p>DM-type rashes are frequent in patients with ASyS; however, distinct clinical manifestations differentiate these patients from classical DM. Skin involvement in ASyS does not necessitate increased malignancy surveillance. These findings will inform future ASyS classification criteria and patient management.</jats:p> </jats:sec>