The "forgotten zone": acquired disorders of the trachea in adults.

摘要: The upper airway is generally defined as the air passage segment that extends between naso- or oropharynx and carina. longest of airway-the trachea-begins at inferior portion larynx to branch point main trachea has potential be a "forgotten zone" in differential diagnoses, pathological processes involving this may not receive prominent clinical consideration disorders presenting with respiratory symptoms signs. Unlike oropharynx, anatomical area beyond visualization on routine inspection; unlike mediastinum lung fields, it "blind spot" initial, plain radiographic examination chest. Nonetheless, adult affected by number primary also target organ variety systemic diseases. This review will focus both diseases specific attention their manifestations diagnostic hallmarks.