[The importance of short-term test therapy in the differential diagnosis and surgical treatment procedure in lung diseases].

Methods of differential diagnostics of diseases of the lungs based on using short-term antiinflammatory therapy during 2-3 weeks are substantiated. An analysis of results of the methods in question in 225 patients has shown that additional diagnostical information can be obtained in 78% of the patients operated upon and among patients of the differential diagnostic department-in 41% of the patients. These methods must be always used in cases of uncertain results of clinical diagnostics which will prevent diagnostic errors and their negative consequences.