No disease has received more attention in the literature than tuberculosis, especially pulmonary tuberculosis, yet the subject is by no means exhausted. There is a type of pulmonary tuberculosis infrequently met with in children which is often overlooked, unless constantly kept in mind.
The most frequent form of tuberculosis in children, aside from tuberculous meningitis and miliary tuberculosis, is tuberculous pneumonia, either of the lobar pneumonic or bronchopneumonic type. Chronic tuberculosis as met with in adults is almost unknown in infants and children under 2 years of age. With the aid of the roentgen ray more cases of the chronic and subacute forms are being discovered. (Reuben,1 Dunn,2 Eisler,3 and Wesler and Bass,4 speak of such cases.)
The type of tuberculosis to which I wish to call attention may be defined as a diffuse or parenchymatous process involving that portion of the lung immediately adjacent to