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Preoperative Factors Which May Be Associated with Laryngeal Nerve Dysfunction
| Factor | Symptoms/signs |
|---|---|
| History | Voice abnormality, dysphagia, airway symptoms, hemoptysis, pain, rapid progression, prior operation in neck or upper chest |
| Physical exam | Extensive, firm mass fixed to the larynx or trachea |
| Imaging | Mass extending to/beyond periphery of thyroid lobe posteriorly and/or tracheoesophageal infiltration, or bulky cervical adenopathy along the course of the RLN or vagus nerve |
