A positive ANA result at any level is consistent with the diagnosis of systemic rheumatic disease, but a result > or =3.0 U is more strongly associated with systemic rheumatic disease than a weakly-positive result. Positive ANA results >3.0 U are associated with the presence of detectable autoantibodies to specific nuclear antigens.
The Paroxysmal Disorders: Insights into the controversy of medical diagnosis and terminologies. Neppe, V. M. with Blumer D. The paroxysmal disorders: insights into the controversy of medical diagnosis and terminologies. (8 parts).
Definition of Thanatophoric dysplasia. Thanatophoric dysplasia: A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after birth.