ALLAN LAWRENCE METZGER, M.D.
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To the Editor: In a recent Question of the Month (Rheumatology, Ann. Intern. Med. 68: 137, 1968) reference was made to the cause of a "biological false-positive test for syphilis" found in a "23-year-old asymptomatic woman as part of a premarital test." On the following four causal possibilities—systemic lupus erythematosus (SLE), subacute bacterial endocarditis, atypical pneumonia, and postnecrotic cirrhosis—the correct answer, as given in a subsequent issue of the ANNALS, was SLE and atypical pneumonia. This answer was obviously incomplete, as, in fact, all of the listed possibilities have been associated with the biological false-positive serology for syphilis (BFP).
METZGER AL. PEDAGOGICAL FALSE-POSITIVE TEST FOR SYPHILIS?. Ann Intern Med. 1968;69:1075–1076. doi: https://doi.org/10.7326/0003-4819-69-5-1075_2
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Published: Ann Intern Med. 1968;69(5):1075-1076.
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