The term «organizing pneumonia» is actively used now by pathologists and clinical physicians. In spite of the fact that the disease contains an indication of pneumonia in its name, it belongs to the group of interstitial lung diseases (interstitial pneumonias), and therefore has other than usual inflammatory process, approaches to treatment. This article focuses on recent significant changes in concept of «organizing pneumonia», discusses modern approaches to classification and terminology. In addition, in the given review the CT features of organizing pneumonia is described in details. The possibilities of computed tomography in the diagnosis of various patterns (forms) of organizing pneumonia, which are reliable clinical observations, are analyzed.