Radiography

Indications for imaging the larynx include evaluation of laryngeal tumors and traumatic laryngeal injuries. CT or MRI is performed to evaluate depth of invasion with tumors. CT is the preferred method for imaging malignant and nonma-

lignant disease, although MRI has certain indications. Traumatic injuries are best evaluated by CT scan. The modalities to assess stridor are directed by the history and physical examination. Available imaging techniques include chest radiography (PA and lateral films), neck radiography (PA and lateral films), and fluoroscopy. Contrast esophagogra-phy may be necessary to evaluate for vascular anomalies that can cause airway and esophageal compression or to rule out tracheoesophageal fistulas.

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