Читать книгу Neurosyphilis. Modern Systematic Diagnosis and Treatment Presented in One Hundred and Thirty-Seven Case Histories онлайн

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The W. R. in the blood serum proved again negative. The test was repeated a number of times; also, after salvarsan had been given. The salvarsan did not act provocatively, and the blood serum has remained consistently negative.

In cases of syphilis the W. R. is at times negative. Swift claims that in such cases an injection of salvarsan will often produce a positive W. R. if the blood is tested on several days following the injection.

The spinal fluid, however, did show a positive W. R. as well as a gold sol reaction of a “paretic” type. There were at the first examination 194 cells per cmm., there was a moderate excess of albumin, and a positive globulin test. In short, there was no question of any other diagnosis than General Paresis.

1. How can the negative W. R. of the blood serum be explained? It is difficult or impossible to explain this. Figures differ as to the percentage of cases of general paresis with negative blood serum; perhaps 3 to 5% of these cases yield a negative serum W. R.