Anti RO antibodies are seen in -: (A) Subacute cutaneous lupus, (B) Myasthenia gravis, (C) Systemic sclerosis, (D) Mixed connective tissue disorder
Answer is A. Ans. is 'a' i.e., Subacute cutaneous lupus Anti-RNP SS-A (Ro), SS-B (La) are seen in neonatal lupus with congenital hea block and in subacute cutaneous lupus.These antibodies are associated with decreased risk of lupus nephritis.