Abstract: [Abstract] Objective To explore the clicicopathologic features of traeheobrochopathia osteochondroplastica (TO). Methods The clinical, laboratory analysis and radiologic features of one TO case were analyzed retrospectively and the related literatures were reviewed. Results Clinical manifestations of TO were not specific. Results of high resolution CT of TO[基金项目：上海市同济医院青年基金项目资助（TJ1518） 作者简介：周红（1974-），女，副主任医师，研究方向：消化道病理诊断 通信作者：朱旭友，电子信箱：tjzxy1210@163.com] showed point like high density shadow of anterior and side wall , which were not existed in paries posterior (abdominal) . Bronchoscopy showed multiple nodules at the opening of the bronchus. Biopsy of the nodule showed submucosal ossification, lymphocyte infiltration and squamous metaplasia of the Surface respiratory epithelium with mild atypical hyperplasia .Conclusion TO is a rare disease. High resolution CT has significant clue to the diagnosis and bronchoscopy revealed characteristics. Its diagnosis should combined with pathological biopsy.

Key words: Traeheobrochopathia Osteochondroplastica, Diagnosis, Bronchoscopy