[The so-called interstitial pulmonary diseases (author's transl)].

The so-called interstitial pulmonary diseases are considered diseases of the pulmonary parenchyma and discussed according to different pathogenesis and etiology. The disturbance of function is emphasized. On the examples of allergic alveolitis, fibrosing alveolitis, drug damage to the parenchyma and shock-lung the clinical appearances of diseases of pulmonary parenchyma are discussed. Diagnostic methods are described and the causes of faulty interpretation are examined.