This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
Asymptomatic Syphilis Associated with a Positive Wassermann and a Negative Laughlen Test. Presented by Dr. Louis Chargin.
P. G., a Negro aged 52, states that in 1918 he had a sore on the penis. He never received antisyphilitic treatment. Physical examination showed no abnormality. Examination of the blood on two occasions showed a 4 plus Wassermann reaction. The Laughlen test gave negative results on both occasions.
Dr. Louis Chargin: The purpose of presenting this patient is to point out the variance in results between the Wassermann test and the newly described precipitation test of Laughlen. My associates, Dr. Churg and Dr. Sobel, and I have been engaged recently in the study of this test. It is of great importance to discuss the Laughlen test because of the claims advanced, namely, that it is reliable and that it does not require a special laboratory but can be performed in
Rosenthal T, Silver H. BRONX DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1938;37(5):856–864. doi:10.1001/archderm.1938.01480110122012
Monkeypox Resource Center
Customize your JAMA Network experience by selecting one or more topics from the list below.