Laryngeal CT can choose to take pictures in the coronal and axial positions, through the soft tissue window or bone window imaging, used to diagnose the laryngeal structure, can be used to check the laryngeal injuries and pharyngeal tumors and so on.
1. Laryngeal injury: In case of laryngeal trauma, scanning can show whether there is dislocation and fracture of laryngeal cartilage, submucosal hematoma in laryngeal cavity, avulsion of mucosa and obstruction of laryngeal cavity, etc. It has the advantages of safety and rapidity.
2. Pharyngeal tumor: CT enhancement scan is often used to clarify the scope of lesion invasion, whether the laryngeal cartilage is damaged, and to find out the structural and morphological changes of the laryngeal neck, subglottis, anterior epiglottis, paraglottis, as well as positive signs of cervical metastatic lymph nodes, etc. Patients with pharyngeal tumors have the manifestation of the characteristic enhancement of the laryngeal soft tissue masses.
For the damage and disease in the larynx, it is recommended to go to the hospital specialist to clarify whether CT examination of the larynx should be performed for timely diagnosis and treatment.