| Excessive and sticky-thick mucus secretions may be observed in the valleculae, piriform sinuses, and endolarynx. |
| When the tumour involves the valleculae or pre-epiglottic space, total laryngectomy also needs to be performed to obtain clear surgical margins. |
| In normal persons, small amounts of food are commonly retained in the valleculae or pyriform sinus after swallowing. |
| The most common sites of fish bone impaction are the tonsils, tonsillar pillars, tongue base, valleculae, and piriform fossa. |
