{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T22:01:45Z","timestamp":1783116105835,"version":"3.54.6"},"reference-count":12,"publisher":"BMJ","issue":"8","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2025,8,3]]},"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:p>Sarcoidosis is a systemic granulomatous disease which may affect the skin in about one-third of patients. It is characterised by the histopathological finding of non-caseating granulomas. There is a predilection for cutaneous sarcoidosis towards prior trauma sites. Tattoo-associated sarcoidosis may be caused by the injected foreign pigment or its by-products. These reactions are commonly observed with black and red dyes, although other colours have been implicated. Currently, there are no evidence-based treatment regimens of tattoo sarcoidosis; however, the most commonly used treatments leading to clinical improvement in both symptoms and tattoo appearance include systemic steroids followed by immunosuppressive agents like methotrexate. We present a case of a woman with a history of pulmonary and cutaneous sarcoidosis found to have sarcoidosis within her tattoo who was successfully treated with hydroxychloroquine monotherapy, without preceding systemic corticosteroids.<\/jats:p>","DOI":"10.1136\/bcr-2025-265113","type":"journal-article","created":{"date-parts":[[2025,8,17]],"date-time":"2025-08-17T07:35:16Z","timestamp":1755416116000},"page":"e265113","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Efficient pair, hydroxychloroquine monotherapy for tattoo-associated sarcoidosis"],"prefix":"10.1136","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-7776-9765","authenticated-orcid":false,"given":"Tinotenda","family":"Sekeramayi","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota, USA"},{"name":"Wegner Health Science Information Center, Sioux Falls, South Dakota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Touba","family":"Naim","sequence":"additional","affiliation":[{"name":"University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joel","family":"Tjarks","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jana","family":"Johnson","sequence":"additional","affiliation":[{"name":"Avera Medical Group, Sioux Falls, South Dakota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joseph","family":"Fanciullo","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota, 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