[Endoscopic biopsy diagnosis of diffuse interstitial lung diseases].

Morphological material is indispensable for the diagnosis of diffuse interstitial lung diseases. In more than 80% of the cases the making of the diagnosis is successful with the bronchological methods of transbronchial lung biopsy and broncho-alveolar lavage. The application of the thoracoscopy with aimed collection of tissue establishes the diagnosis in more than 90%. Open surgical lung biopsy (98% of making a specific diagnosis) and perthoracic lung biopsy complete the number of diagnostic methods.