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July 13, 1901


Author Affiliations

Professor of Skin and Venereal Diseases, Chicago Policlinic. CHICAGO.

JAMA. 1901;XXXVII(2):104-109. doi:10.1001/jama.1901.62470280028002g

Since the discovery of actinomycosis hominis by Israel, in 1878, it has been shown with the aid of microscopic preparations preserved in the laboratories of Europe, that cases of this disease were previously observed and reported as cases of sarcomata; cases of mycetoma have been proven to be caused by actinomycosis; the disease has been found in the brain; it has been observed under the clinical diagnosis, appendicitis; Neisser has reported a case which he at first diagnosed as a papulo-pustular syphilid, but which on further examination proved to be actinomycosis cutis and, lastly, branching forms of the bacillus tuberculosis have been found in the lungs which Hektoen1 tells us can not be distinguished from actinomycosis pulmonalis.

Ever since observing the case which my colleague, Dr. Herzog, and I reported last year as a case of blastomycetic dermatitis engrafted on syphilitic ulcers,2 I have entertained the opinion that