PT - JOURNAL ARTICLE AU - Anne E. Tebo AU - Robert L. Schmidt AU - Tracy M. Frech TI - Presence of Antitopoisomerase I Antibody Alone May Not Be Sufficient for the Diagnosis of Systemic Sclerosis AID - 10.3899/jrheum.180503 DP - 2019 Mar 01 TA - The Journal of Rheumatology PG - jrheum.180503 4099 - http://www.jrheum.org/content/early/2019/02/25/jrheum.180503.short 4100 - http://www.jrheum.org/content/early/2019/02/25/jrheum.180503.full AB - Systemic sclerosis (SSc) is characterized by altered immune function and vascular damage, which lead to extensive fibrosis. Experts underscore the importance of using SSc-specific autoantibodies to divide the disease into subsets for prognosis, management, and research1,2.