A positive ANA antinuclear antibody 1:512 is usually abnormal.
Antinuclear antibodies are a group of autoantibodies to DNA, RNA, proteins, or molecular complexes of these substances in the nucleus of cells, and are most often indicative of autoimmune diseases, especially connective tissue diseases such as systemic lupus erythematosus and systemic sclerosis. However, low titers are seen in patients with chronic infections or tumors.
ANA antinuclear antibody 1:512 positive is higher titer positive, usually abnormal, need to consider the existence of autoimmune disease, and need to pay attention to patients with skin rash, mouth ulcers, joint pain and other clinical manifestations.
It is recommended that the patient go to the rheumatology department of a regular hospital in time for diagnosis and active treatment under the guidance of the doctor.