Bronchiectasis: Its Ætiology, Pathology, Diagnosis, Prognosis and Treatment

on chronic pulmonary suppurations and have contributed greatly to a clearer understanding of the conditions, still all the factors responsible for the causation of bronchiectasis are not yet well understood. Our knowledge on the subject has, however, become much more precise since the introduction of lipiodol bronchography by Sicard and Forestier (1922), the use of the bronchoscope in examining the bigger bronchi, and the anatomo-pathological study of lobectomized lungs, during the last few years. The present paper is based on 160 cases con-