Zenker Diverticulum

  • Zenker diverticulum:
    • Is a pulsion-pseudodiverticulum:
      • Results from herniation of mucosa and submucosa:
        • Through the Killian triangle (or Killian dehiscence):
          • A focal weakness in the hypopharynx:
            • At the normal cleavage plane between the fibres of the inferior pharyngeal constrictor (thyropharyngeus muscle) and the cricopharyngeus muscles

#Arrangoiz #Surgeon #CancerSurgeon #HeadandNeckSurgeon #Teacher

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