{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T06:00:23Z","timestamp":1781071223846,"version":"3.54.1"},"reference-count":69,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2024,9,22]],"date-time":"2024-09-22T00:00:00Z","timestamp":1726963200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Cutan Pathol"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Due to the immune\u2010mediated nature of non\u2010infectious cutaneous vasculitis, skin biopsy specimens are often submitted for direct immunofluorescence (DIF) testing when vasculitis is considered clinically. However, evidence regarding the clinical value of DIF has not been rigorously appraised.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>In this scoping review, we aimed to systematically evaluate the peer\u2010reviewed literature on the utility of DIF in vasculitis to assist with the development of appropriate use criteria by the American Society of Dermatopathology.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Two electronic databases were searched for articles on DIF and vasculitis (January 1975\u2013October 2023). Relevant case series involving more than or equal to three patients, published in English, and with full\u2010text availability were included. Additional articles were identified manually via reference review. Due to study heterogeneity, findings were analyzed descriptively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 255 articles identified, 61 met the inclusion criteria. Cumulatively representing over 1000 DIF specimens, several studies estimated DIF sensitivity to be 75%. While vascular immunoglobulin A (IgA) deposits on DIF were associated with renal disease, other systemic associations were inconsistent. Vascular IgG deposition may be overrepresented in ANCA\u2010associated vasculitis. Granular vascular and epidermal basement membrane zone Ig deposition differentiated hypocomplementemic from normocomplementemic urticarial vasculitis. Few studies have assessed the added value of DIF over routine microscopy alone in vasculitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This scoping review discovered that DIF testing for vasculitis has been performed not only for diagnostic confirmation of vasculitis but also for disease subtype classification and prediction of systemic associations. Future studies on test sensitivity of\u00a0DIF compared to that of histopathology are needed.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cup.14722","type":"journal-article","created":{"date-parts":[[2024,9,23]],"date-time":"2024-09-23T01:14:02Z","timestamp":1727054042000},"page":"987-999","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Diagnostic utility of direct immunofluorescence test panels for cutaneous vasculitis: A scoping review"],"prefix":"10.1111","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7389-3853","authenticated-orcid":false,"given":"Julia S.","family":"Lehman","sequence":"first","affiliation":[{"name":"Department of Dermatology Mayo Clinic  Rochester Minnesota USA"},{"name":"Department of Laboratory Medicine and Pathology Mayo Clinic  Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tammie 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