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The following case report is offered without comment.
Mrs. M. W., white, aged 37, presented herself to Dr. P. T. Brown for antepartum care on July 12, 1938. She had previously been pregnant five times and had given birth at term to 5 normal, healthy children. Her routine obstetric examination indicated that she was normal and healthy. The routine Wassermann and Kahn tests, however, gave positive results. The tests were repeated with the same results in the same laboratory and in a second laboratory. The patient was then sent to me for blood tests in a third laboratory and for examination and advice. I found no evidence of syphilis. The fact is notable that her mother, father, brother, sister and husband were all known to have negative Wassermann reactions. Her personal history and physical examination offered no hint of syphilis. Those conditions that are said to produce biologically false positive serologic reactions for syphilis were not present. The Wassermann and Kahn tests in the third laboratory gave negative results. Blood samples were sent to three nationally known laboratories. A complete summary of the various tests
JEKEL LG. UNUSUAL SEROLOGIC REACTIONS DURING PREGNANCY: REPORT OF A CASE. Arch Derm Syphilol. 1940;42(1):137. doi:https://doi.org/10.1001/archderm.1940.01490130141016
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