Anti RO (SSA) antibodies are seen in:: (A) Systemic sclerosis, (B) Subacute cutaneous lupus, (C) Myasthenia gravis, (D) Mixed connective tissue disorder
Answer is B. Anti Ro (SSA) antibodies Not specific for SLE It predisposes to subacute cutaneous lupus and to neonatal lupus with congenital hea block, Thus helping in screening neonatal lupus. It is associated with decreased risk for nephritis.