[Principles of optimal preparation of material from bronchoalveolar lavage (BAL)for cytoimmunologic examinations in interstitial lung diseases ].

In this paper we considered the value of correctly performed bronchoalveolar lavage (BAL) in diagnosis of interstitial lung diseases and in assessment of the activity of pathological process. We indicated the conditions of exact interpretation of the results of BAL cytoimmunological examination, i.e.