Tuberc Respir Dis TRD Tuberculosis and Respiratory Diseases 0378-0066 The Korean Academy of Tuberculosis and Respiratory Diseases 10.4046/trd.2003.54.3.251 Review Diagnostic Approach in Idiopathic Interstitial Pneumonia Song Jeong Sup M.D. Department of Internal Medicine, ST Mary's Hospital, Catholic University Medical College, Seoul, Korea. Address for correspondence : Jeong Sup Song, M.D. Department of Internal Medicine, ST Mary's Hospital, Catholic University Medical College, Seoul, Korea #62, Yeoi-Do Dong, Young Dung Po Gu, St Mary's Hospital, Seoul, 150-713, Korea. Phone : 02-3779-1146, Fax : 02-780-3132, jssong@catholic.ac.kr 03 2003 31 03 2003 54 3 251 259 Copyright©2003. The Korean Academy of Tuberculosis and Respiratory Diseases. All rights reserved. 2003