Transcervical Excision of a Killian-Jamieson Diverticulum with Squamous Cell Dysplasia: Case Report and Literature Review
Ee Peng Lee, Jia Ying Soo, Wei Keat Ooi
Asian Journal of Case Reports in Surgery · pp. 812–816 · Published 6 Dec 2025
10.9734/ajcrs/2025/v8i2723Abstract
Pharyngoesophageal diverticulum is a rare clinical entity and can be broadly classified into 3 main types based on anatomical protrusion. Zenker diverticulum (ZD) represents the most common pharyngoesophageal diverticulum, followed by Killian-Jamieson diverticulum (KJD) and lastly Laimer diverticulum. These anatomical anomalities are generally thought to be benign and there is no reported literature on its potential for malignant transformation. We present a case of Killian-Jamieson diverticulum which was surgically excised via transcervical approach. Histopathology of the diverticulum revealed squamous cell dysplasia. To the author's best knowledge, this is the first case report of a pharyngoesophageal diverticulum that showed malignant potential.
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