RT Journal Article SR Electronic T1 Endobronchial actinomycosis JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1189 OP 1191 DO 10.1183/09031936.94.07061189 VO 7 IS 6 A1 K Dalhoff A1 S Wallner A1 C Finck A1 S Gatermann A1 KJ Wiessmann YR 1994 UL http://erj.ersjournals.com/content/7/6/1189.abstract AB Endobronchial actinomycosis was found to be the cause of right-sided atelectasis and haemoptysis in a 57 year old man without predisposing conditions. Fibreoptic bronchoscopy revealed occlusion of the intermediate bronchus by yellow-white masses. The diagnosis was confirmed histologically and by positive Actinomyces culture from bioptic material. Prolonged antibiotic treatment resulted in complete recovery, without need for surgical resection.