HAROLD LEVINE, M.D.; MARTIN SZANTO, M.D.; HANS G. GRIEBLE, M.D.; GERHARD L. BACH, M.D.; TRUMAN O. ANDERSON, M.D., PH.D.
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Among 65 consecutive patients with serous nonrheumatoid pleural effusions, the pleural fluid contained rheumatoid factor (RF) or rheumatoid factor-like activity at a titer of ≧ 1:160 in 41% of patients with bacterial pneumonia, 20% of patients with carcinoma, and 14% of patients with tuberculosis. From 6% to 15% of patients with these diseases showed RF in the pleural fluid to titers of 1:1280.
The occurrence of this antibody in pleural fluid cannot be considered specifically related to rheumatoid disease.
LEVINE H, SZANTO M, GRIEBLE HG, et al. Rheumatoid Factor in Nonrheumatoid Pleural Effusions. Ann Intern Med. 1968;69:487–492. doi: https://doi.org/10.7326/0003-4819-69-3-487
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Published: Ann Intern Med. 1968;69(3):487-492.
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