In July, 1912, I published a paper,1 in which I tried to show the positive as well as negative value of the cutaneous tuberculin test in both young and older children. Since that time I have succeeded in collecting new material, fifty additional cases, making a total of 100. I hereby present an analysis and summary of both series, going into details as far as possible, especially as regards consideration of the ages of tested patients.
I again begin by excluding the clinically tuberculous, thirteen in the first series, seven in the second, leaving, respectively, thirty-seven and forty-three children to be considered. I need hardly say that the excluded cases invariably gave a positive reaction.
All the remaining eighty children were suspected of tuberculosis, because of a chronic cough, marked impairment of general nutrition, enlarged lymph-nodes, or some other of the signs commonly called scrofulous. They therefore represent a
WACHENHEIM FL. THE DIAGNOSTIC VALUE OF THE v. PIRQUET TESTSECOND PAPER. Am J Dis Child. 1913;V(6):466–467. doi:10.1001/archpedi.1913.04100300043004
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