Dharani M, Ketaki Utpat, Unnati Desai, Jyotsna Joshi
Cryptogenic Organizing Pneumonia (COP) is one of the major idiopathic interstitial pneumonia (IIP) according to revised American Thoracic Society/ European Respiratory Society (ATS/ERS) classification of IIP.1 Clinically, these patients present mainly with cough and dyspnoea on exertion. However, patients presenting with haemoptysis is very rare. COP has a wide range of radiological manifestations ranging from peripheral consolidation to very rarely nodular opacities. Hereby, we are presenting a prototypical case of COP presenting with a classical Atoll sign.
