[Differential x-ray diagnosis of delimited pneumosclerosis with central lung cancer].

A comparative study of peculiar features of X-ray picture of various forms of focal pneumosclerosis (203 cases) and central cancer of lung (150 cases) was conducted. Some characteristic peculiarities sufficient for reliable differentiation between these pathological processes were established. Unlike cancer, pneumosclerosis is characterized by rugged deformed peribronchial, perivascular fibrous cords, bronchial deformation and local bronchitis.