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KMID : 1237720180510040299
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Anatomy & Cell Biology
2018 Volume.51 No. 4 p.299 ~ p.301
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Killian-Jamieson diverticulum lined with two epithelia in a Korean cadaver
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Cha Min-Kyoung
Kang Seung-Weon
Maeng Young-Hee
Kim Jin-U
Yoon Sang-Pil
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Abstract
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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.
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KEYWORD
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Killian-Jamieson triangle, Diverticulum, Epithelium, Cadaver
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