Tuberculosis is an infectious disease which it is conceded may invade the blood stream. The acute forms of miliary tuberculosis seen in the young and often as a terminal phase of chronic ulcerative pulmonary tuberculosis are the forms of blood stream infection familiar to the clinician. More occult and less well recognized are the subforms of miliary tuberculosis which heal. These are more often recognized by the roentgenologist than by the pathologist or clinician. There is plenty of laboratory evidence to prove the occurrence of tuberculous bacteremia without lethal consequences, but it is not our purpose to enter into this somewhat controversial aspect of the problem. We believe not only that the tubercle bacillus does gain access to the blood stream more frequently than usually admitted but also that certain definite histologic reactions follow which are demonstrable in roentgenograms of the lungs, that is, of course, if the
GERSHON-COHEN J, COHEN L. HEMATOGENOUS TUBERCULOSIS AND SILICOSIS: THE ROENTGEN DIAGNOSIS OF TUBERCULOSILICOSIS. JAMA. 1939;112(7):602–605. doi:10.1001/jama.1939.02800070018004
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