CT: upper larynx  
 

This contrast enhanced CT scan of the neck is at the level of the piriform fossa & aryepiglottic folds. The laryngopharyx is relatively flattened, not distended with air.

 
 

Identify the following:

1. aryepiglottic fold

2. piriform fossa

3. larynx

4. thyroid cartilage