DIFFERENTIAL DIAGNOSIS OF A FALSE-POSITIVE SYPHILIS SEROLOGY

Infectious Etiologies

     Brucellosis

     Lyme Disease

     Leptospirosis

     Relapsing Fever

     Rat-bite Fever (Spirillum minor)

     Leprosy

     Tuberculosis

     Pneumococcal Pneumonia

     Subacute Bacterial Endocarditis

     Chancroid

     Scarlet Fever

     Rickettsial Disease

     Malaria

     Trypanosomiasis

     Typhus

     Mycoplasma Pneumonia

     Measles

     Chickenpox

     Lymphogranuloma Venereum

     Viral Hepatitis

     Infectious Mononucleosis

     HIV infection

     Yaws

     Pinta

     Bejel

Noninfectious Etiologies

     Drug Abuse

     Chronic Liver Disease

     Multiple Blood Transfusions

     Pregnancy

     Rheumatoid Heart Disease

     Connective Tissue Disorders

     Antiphospholipid Syndrome

     Old Age