PREVALENT MISCONCEPTIONS OF PULMONARY TUBERCULOSIS
The subcutaneous test for tuberculosis, it is good to learn, has been generally dropped. In the digesters view it is distinctly dangerous as likely to light up quiescent focus, as appeared in a case quoted in a former batch of “digests”. It is also now known, Thompson says, that sensitivity to tuberculin bears no definite relation to present disease. Patients in the last stages of lung infection often entirely lose their sensitivity to tuberculin.