Abstract: Objective To evaluate the value of the lipiodol bronchography and high resolution computerized tomography(HRCT) in the diagnosis of bronchiectasis. Methods Both lipiodol bronchography and HRCT were performed in 26 cases with bronchiectasis, the similarities and differences of characteristics were analyzed. Results The diagnostic rate was 76.9% in lipiodol bronchography and 100% in HRCT among 26 cases. Lipiodol bronchography was better in the performance of bronchial wall irregularly and stiffly than that of HRCT (P<0.01). However, HRCT was better in the performance ofbronchial wall thickening and bronchodilation of pulmonary segment and subsegment than that of lipiodol bronchography. For mild bronchiectasis, lipiodol bronchography was more visual with contrast of the display in other parts of the same level bronchus than that of HRCT. But multiplanar reformations(MPR) in HRCT can make up for these deficiencies. Conclusion HRCT should be considered as the first choice for diagnosing bronchiectasis，the lipiodol bronchographyis often used as the secondary choice for examination.

Key words: bronchiectasis, lodizedoil, bronchography, tomography, X-ray computed, case-conttel studies