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Serology with Lipid Antigen with Special Reference to Kahn and Universal Reactions

JAMA. 1951;145(11):853-854. doi:10.1001/jama.1951.02920290079030.
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The Kahn reaction for syphilis is universally accepted as a standard serologic procedure. The present volume by Kahn is presented because the serology of syphilis cannot be fully understood without a knowledge of the broader serology with lipid antigen. This book contains four sections. Part 1 deals with the biologically universal nature of the serologic reaction characteristic of syphilis and occurring in response to lipid antigen. Part 2 discusses the serology of syphilis, with Kahn procedures. Part 3 reviews the technic of Kahn procedures and part 4 the practical aspects of the universal reaction. The discussion of all these sections is clear, concise and presented in a logical and orderly manner. In the universal reaction of the syphilis test, Kahn has shown that there are large numbers of serologic reactions in nonsyphilitic persons, and the qualitative studies of these reactions lead to the quantitative tests, with some modifications. This in


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