Pharynx · NEET PG Preparation ENT
A 55-year-old chronic smoker and alcoholic presents with progressive dysphagia to solids, foul-smelling breath, and a noticeable gurgling sound in hi…
Practice question from Pharynx (NEET PG Preparation ENT), with the correct answer and a step-by-step solution.
medium · MCQ · Q-467B09
A 55-year-old chronic smoker and alcoholic presents with progressive dysphagia to solids, foul-smelling breath, and a noticeable gurgling sound in his neck when swallowing. He occasionally regurgitates undigested food eaten hours earlier. A barium swallow reveals a posterior pouch arising between the oblique fibers of the thyropharyngeus and the horizontal fibers of the cricopharyngeus muscle. What is the most accurate anatomical and pathological term for this lesion?
- A.Killian dehiscence / Zenker diverticulumCorrect answer
- B.Laimer triangle / Traction diverticulum
- C.Sinus of Morgagni / Epiphrenic diverticulum
- D.Rosenmüller fossa / Lateral pharyngeal pouch
Solution
Zenker diverticulum is a pulsion diverticulum that herniates through Killian's dehiscence, a weak area in the posterior hypopharyngeal wall situated between the thyropharyngeus and cricopharyngeus parts of the inferior constrictor muscle. Laimer's triangle is located below the cricopharyngeus.
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