Abstract
Differential diagnosis of recurrent nerve paralysis is discussed, based on authors' experiences with different cases showing various causative factors.
The authors stressed the importance of thorough examination of the intrathoracic organs and structures in order to reach the correct diagnosis. The authors emphasized the following essential examinations: 1. Chest X-rays 2. Physical examination and laboratory tests 3. Tomography of the intrathoracic organs 4. Contrast study and fluoroscopy of the esophagus 5. Bronchography and 6. Endoscopic examination.
