RT Journal Article SR Electronic T1 Mixed connective tissue disease in identical twins JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 205 OP 207 VO 50 IS 2 A1 L. Stephen Kish A1 Willard D. Steck YR 1983 UL http://www.ccjm.org/content/50/2/205.abstract AB Identical twin sisters were seen with sclerodermoid mixed connective tissue disease (MCTD). This is the first report to our knowledge of either scleroderma or MCTD in twins. In addition, both women had psoriasis localized to the scalp.