2. What is the significance of the paretic gold sol reaction when the other tests have become negative? As previously stated, the gold reducing substance in the spinal fluid seems to be different from the substances which give the other pathological reactions. We should feel in this case that the process which was producing these gold reducing bodies had not been stopped, in other words, cure was not complete.
3. Should one make a diagnosis on the “paretic” gold sol reaction alone? The so-called paretic gold sol curve is not always indicative of general paresis or even of syphilis but may occur in non-syphilitic conditions as brain tumor, multiple sclerosis, etc. In our experience we have seen no case of untreated neurosyphilis in which the gold sol alone was positive, that is, in cases in which therapy has not changed the findings in the spinal fluid. In our experience the gold sol reaction has been fortified by one or several of the other tests as the W. R., globulin test, pleocytosis.
Some effects of systematic intravenous salvarsan therapy in PARETIC NEUROSYPHILIS (“general paresis”) are limited to the laboratory findings without clinical improvement.
Two examples of such limitation are offered: William Roberts (118) and John Silver (119).
Case 118. A bank teller, William Roberts, 39, was sent to the Psychopathic Hospital for a depression so marked that he had become entirely unable to work or care for himself. The story was that some money had been left him by his uncle, that Roberts could not prove his right to the money, and that depression, insomnia, and occasional periods of confusion had followed during a period of about five months.
On admission, Roberts appeared wholly disoriented and unable even to give his correct age. Attention could not be held, and the patient would slide off into statements like: “Oh, I made a mistake, I fooled a lot of people, I have a terrible disease, they are going to get it, they are going to get me,” etc., etc. There was great difficulty in thinking, and a marked reaction of fear. This cluster of phenomena certainly suggested very strongly the diagnosis of manic-depressive psychosis.
Neurologically, Roberts proved quite negative except that the tendon reflexes were very active and the pupils reacted somewhat sluggishly to light. The blood serum W. R. was negative. No history of syphilis could be obtained; nevertheless, Roberts kept dropping remarks about the terrible disease from which he was suffering. It seemed best to proceed to lumbar puncture, and the spinal fluid disclosed a positive W. R., globulin, increased albumin, pleocytosis, and “paretic” gold sol reaction.
The diagnosis of General Paresis was accordingly made. During the next year and a half, no improvement was made; a slight speech defect was developed, and tremors of the hand and tongue appeared.
The effect of treatment is particularly instructive. Only after 18 months in the hospital was intensive antisyphilitic treatment instituted; but after a few months of this treatment the W. R. of the spinal fluid had become negative, the cells normal in number, globulin absent, albumin present only in normal amount. Only the gold sol reaction remained positive. It is still of a paretic type. Treatment, however, did not succeed in altering the patient’s mental condition in the slightest. At the end of many months of treatment, we still confront a man showing marked psychic symptoms and a “paretic” gold sol reaction without other laboratory signs.
1. What is the significance of the practically negative tests in this case without clinical improvement? One must believe that the tests became negative as the result of treatment, and that this change in the tests was due to the clearing up of some inflammatory reactions which were present. This may mean that the syphilis had been reduced to inactivity or latency if not cured, or at least that there was no activity sufficient to cause a positive W. R. in the blood serum, whereas whatever activity was present in the brain was in such a region that it did not cause any reacting substances to be cast into the spinal fluid. This would not mean that there would necessarily be any return of function already lost, because this may be considered as a permanent loss which cannot be compensated for. As to these tests, we now feel that the case should remain stationary; that is, that no new symptoms will be added. However, we believe that it is somewhat premature with our present knowledge to make this claim very forcibly, and would rather suggest that this case be considered as demonstrating an interesting fact, the meaning of which can be learned only after a period of years.