Killian-Jamieson diverticulum

Killian-Jamieson diverticula are oesophageal diverticula. Like the more common Zenker diverticulum, it is a false diverticulum and represents an outpouching of mucosa through a muscular defect, in this case Killian's dehiscence

Pathology

They are located just below the cricopharyngeal muscle, anteriorly and laterally, as a left sided or less commonly bilateral outpouchings from the cervical oesophagus.

It is infrequently encountered compared with Zenker diverticulum. Not only are they smaller than Zenker diverticulum (usually <1.5 cm), but they also are rarely symptomatic. 

Thoracic anatomy
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Article Information

rID: 19899
Tag: cases
Synonyms or Alternate Spellings:
  • Killian-Jamieson diverticuluae
  • Killian-Jamieson diverticula

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