In that case, the borderline amongst saprophytic fungal infection of bronchial anastomosis and area, invasive Aspergillus tracheobronchitis in lung or heart and lung transplant recipients may well be really elusive (see even further: Aspergillus tracheobronchitis in patients following lung transplantation).Aspergillus development on silk sutures closing a bronchial stump is an additional illustration of saprophytic fungal-host partnership. This infection normally develops 6�C12 months after lung resection and might spread to mucous plug or debris likewise as granulation tissue positioned in the stump. The elimination from the thread solves the situation, and usually no antifungal therapy is necessary . A significantly longer latency time period concerning lung resection and development of bronchial stump aspergillosis, ranging between 4 and seven many years, was also reported [32, 33]. Noppen et al. discovered that, albeit bronchoscopic removal of your silk thread seems to become the initial selection treatment, treatment method with oral itraconazole could also consequence in resolution of infection . Le Rochais et al. demonstrated that bronchial stump aspergillosis is not really distinct for silk thread but could also have an impact on patients in whom nylon threads have been applied .Since invasion of bronchial mucosa was reported in sufferers with bronchial stump aspergillosis , this is often still an additional illustration that the line among saprophytic and invasive Aspergillus infection might not be properly defined, and borderline cases is usually anticipated in clinical practice.Aspergillus can overgrow necrotic debris and mucous plug on the surface of endobronchial tumors. We observed a thick layer of Aspergillus hyphae covering an endobronchial carcinoid tumor (data not published).