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Existing studies have suggested characteristic nailfold findings may be observed in DM, indicating a potential role for nailfold microscopic examination in the diagnosis of DM. To that end, we performed a systematic review of literature pertaining to nailfold microscopic, capillaroscopic, and dermoscopic findings observed in patients with DM, with a secondary review of the association of nailfold microscopic findings with myositis-specific antibody (MSA) and myositis-associated antibody (MAA) status. Thirty-seven papers, representing 346 patients, met inclusion criteria. The most prevalent nailfold findings were evidence of increased vascular diameter (64.5%, <jats:italic>n<\/jats:italic>\u2009=\u2009223) and decreased vascularity (57.5%, <jats:italic>n<\/jats:italic>\u2009=\u2009199). Scleroderma-spectrum pattern and microhemorrhage or hemorrhage were both observed in 156 (45.1%) patients. Fifty-one patients had nailfold capillaroscopic findings reported in direct association with antibody positivity and demonstrated a range of nailfold findings, preliminarily suggesting associations between antibody-status and capillaroscopic findings. The results of our study align with existing data indicating the scleroderma-spectrum pattern and the pattern\u2019s composite features are prevalent in patients with DM. Our review further demonstrates a variety of nailfold capillaroscopic findings are found in patients positive for MSAs and MAAs.<\/jats:p>","DOI":"10.1007\/s00403-024-03521-z","type":"journal-article","created":{"date-parts":[[2024,11,20]],"date-time":"2024-11-20T12:12:46Z","timestamp":1732104766000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Nailfold microscopy in adult-onset dermatomyositis in association with myositis antibodies"],"prefix":"10.1007","volume":"317","author":[{"given":"Elizabeth M.","family":"Flatley","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dina","family":"Collins","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tess M.","family":"Lukowiak","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason H.","family":"Miller","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,11,20]]},"reference":[{"key":"3521_CR1","doi-asserted-by":"publisher","unstructured":"Callen JP, Wortmann RL, Dermatomyositis (2006) Sep-Oct;24(5):363\u2013\u200973 Clin Dermatol. https:\/\/doi.org\/10.1016\/j.clindermatol.2006.07.001. 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