Killian's dehiscence

Killian's dehiscence
Muscles of the pharynx and cheek. (Constrictor pharyngis inferior visible at bottom left.)
Muscles of the pharynx, viewed from behind, together with the associated vessels and nerves. (Inf. const. labeled at bottom center.)
Anatomical terminology

Killian's dehiscence (also known as Killian's triangle, Laimer triangle, Laimer-Killian triangle, or Laimer-Haeckermann area) is a triangular area in the wall of the pharynx between the thyropharyngeus and cricopharyngeus of the inferior constrictor of the pharynx (also see Pharyngeal pouch). It can be seen as a locus minoris resistentiae.

Clinical significance

It represents a potentially weak spot where a pharyngoesophageal diverticulum (Zenker's diverticulum) is more likely to occur.[1]

Eponym

It is named after the German ENT surgeon Gustav Killian.[2]

References

  1. ↑ Chaplin JM, Stewart IA (July 1994). "Use of surgical stapling device in excision of pharyngeal diverticulum". Aust N Z J Surg. 64 (7): 501–2. doi:10.1111/j.1445-2197.1994.tb02266.x. PMID 8010924.
  2. ↑ synd/3707 at Who Named It?


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