[Deviations of the larynx and trachea in intrathoracic diseases]

Changes of the static-dynamical balance inside the thorax by pressure or traction of pathologic processes effect dislocation of the trachea and the larynx. Basing on the clinical symptoms of 45 patients the results are stated of experiments on cadavers and on isolated, at the hyoid bone fixed laryngotracheal preparations. Opposite displacements of the larynx and the trachea, especially in mediastinal processes, are to be observed among predominant equilateral dislocations to the side of the thorax process, concerning primarily the trachea and only in increasing pressure or traction also the larynx. The findings are collated with earlier researches to the same subject. They have a bearing on the interpretation and the attachment of the symptoms of stenosis.