RT Journal A1 LILIENTHAL H T1 DIrect drainage of tuberculous pulmonary cavities JF Archives of Surgery JO Archives of Surgery YR 1929 FD December 1 VO 19 IS 6 SP 1161 OP 1168 DO 10.1001/archsurg.1929.01150060223011 UL http://dx.doi.org/10.1001/archsurg.1929.01150060223011 AB Until comparatively recent years I had an idea that it would be dangerous, or at least unwise, to open deliberately a tuberculous cavity of the lung, as has been customary in nontuberculous abscesses.While my experience is extremely limited, I am convinced that the danger of this procedure is not as serious as I had thought, and that great improvement may follow an operation of this kind. I had believed that openings into these cavities would never heal, and that the danger of hemorrhage was always present. Thus far, however, in three cases in my own practice, I have seen no hemorrhage, and the tendency toward the formation of a permanent fistula seems to have existed in proportion to the degree of collapse of the walls of the cavity. I do not here include direct bronchocutaneous stomas.The cases in which this mode of surgical therapy should be selected are