In reply to a recent request from Dr. Hynek J. Pelc of the State Institute of Public Health of the Czechoslovak Republic at Prague for the statistics of the relative frequency of tuberculosis among skin diseases in the United States, I sent the statistics of the American Dermatological Association. In these statistics of 679,376 (say, 700,000) cases of skin diseases between 1878 and 1911, 4,458 cases were reported as tuberculous conditions; that is about 65/10 per thousand. These cases were reported as tuberculosis cutis verrucosa, lupus vulgaris and scrofuloderma. Of lupus vulgaris there were 1,970 cases, or 29/10 per thousand. Pollitzer, in his discussion of the report,1 commented on the declining number of cases of tuberculosis of the skin in the later reports of the association. This probably is explainable, Pollitzer believes, by the general decline in tuberculosis in this country. Pelc, in his reply, offered the following interesting suggestion:
THE RELATIVE RARITY OF TUBERCULOSIS OF THE SKIN IN THE UNITED STATES. Arch Derm Syphilol. 1927;15(3):323. doi:10.1001/archderm.1927.02370270084005
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