Anat Cell Biol.  2018 Dec;51(4):299-301. 10.5115/acb.2018.51.4.299.

Killian-Jamieson diverticulum lined with two epithelia in a Korean cadaver

• Cha MK
• Kang SW
• Maeng YH
• Kim J
• Yoon SP

• KMID: 2430198
• DOI: http://doi.org/10.5115/acb.2018.51.4.299

Abstract

Killian-Jamieson diverticulum is a permanent protrusion of anterolateral proximal esophagus through anatomically weak muscular gap, known as Killian-Jamieson area, into adjacent area. During a routine educational dissection, we found a well-defined lateral diverticulum just inferior to the transverse fibers of the cricopharyngeus muscle in a Korean male cadaver. It had a dimension of 1.8×1.4×1.0 cm with two types of epithelial cells, stratified squamous and simple cuboidal to low-columnar epithelium, and attenuated and haphazardly arranged muscle fibers. No epithelial dysplasia or malignant transformation was identified except ulcerative changes. Although Killian-Jamieson diverticulum is a very rare disease, clinicopathological aspects should be considered.

Keyword

Killian-Jamieson triangle; Diverticulum; Epithelium; Cadaver

MeSH Terms

Cadaver*
Diverticulum*
Epithelial Cells
Epithelium
Esophagus
Humans
Male
Pharyngeal Muscles
Rare Diseases
Ulcer

Figure

• 

  Fig. 1 Photographs of Killian-Jamieson diverticulum. (A) A well-defined diverticulum (asterisk) was observed just inferior to the transverse fibers of the cricopharyngeus muscle (CP, arrow), in a lateral position. (B, C) The diverticular wall consists of mucosa, muscle layer, and adventitia (H&E, ×40) and shows multiple foci of superficial ulcerations (arrows). The mucosal surface is lined by stratified squamous epithelium (D, ×200) and partly by cuboidal or low-columnar epithelium (E, ×400). E, esophagus; MPC, middle pharyngeal constrictor muscle; SPC, superior pharyngeal constrictor muscle; TP, thyropharyngeus muscle.

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