Atabek, Mehmet EmrePirgon, OzgurElmas, Sefika2020-03-262020-03-2620071051-2144https://dx.doi.org/10.1097/TEN.0b013e3181520419https://hdl.handle.net/20.500.12395/21242Klinefelter syndrome has been noted to have an association with several autoimmune and rheumatic diseases, including systemic lupus erythematosus, rheumatoid arthritis, and ankylosing spondylitis. We report a 14-year-old boy with Klinefelter syndrome who developed severe acne fulminans and bilateral sacroiliitis after testosterone and isotretinoin administration.en10.1097/TEN.0b013e3181520419info:eu-repo/semantics/closedAccessKlinefelter syndromeacne fulminanssacroiliitisisotretinoinBilateral sacroiliitis following lsotretinoin treatment in an adolescent with Klinefelter syndromeArticle175244245N/AWOS:000250097400002Q4