Between stylopharyngeus and palatopharyngeus
Between middle and inferior constrictor
Between inferior constrictor and esophagus
Between thyropharyngeus and cricopharyngeus
Ans:(d) Between thyropharyngeus and cricopharyngeus
The given picture is the barium swallow showing Zenker’s diverticulum.
>Zenker diverticulum, a pulsion diverticulum of the hypopharynx, is a rare lesion that occurs in elderly populations. >The condition results in a classic presentation of symptoms, with complications that include aspiration and pneumonia, and is managed by endoscopic and surgical repair.
Ref. Scott BroTon, Vol 3;746