Case Presentation

Case Presentation2011-07-15R4 CASE 10292377 F/54

C.C : throat foreign body sensation swallowing difficulty (4 months ago)

Pharynx cervical esophagus rightside anterolateral portion 1.8x1.4cm diverticulum . esophagus mucosal lesion mass , motility abnormality . GERD .

2Killian-Jamieson Diverticulum(= Lateral cervical esophageal diverticulum)

DefinitionProtruding of esophagus through Killian-Jamieson spaceTriangular area of weakness in cervical esophagus just inferior to cricopharyngeal m.

(1) Superior border: the inferior margin of the cricopharyngeus muscle (2) Anterior border: the inferior margin of the cricoid cartilage (3) Inferomedial border: the suspensory ligament of the esophagus originating from the posterior wall of the cricoid cartilage before it becomes the longitudinal muscle of the esophagus

3Zenker diverticulum(= posterior hypopharyngeal diverticulum)DefinitionProtruding of pharyngeal mucosa through dehiscence of KillianPosterior weak area of pharyngeal wall between thyropharyngeus and cricopharyngeus muscle

wall of the pharynx between the thyropharyngeus part of the inferior constrictor of the pharynx and the cricopharyngeus muscle4Zenker D. (more common, 0.11%)Killian-Jamieson D.

Symptom Dysphagia or regurgitationAsymptomatic in elderlyMore associated aspiration, refluxAsymptomaticOccasionally dysphagia or regurgitation

DirectionPosterior orposterolateralAnterolateralAnatomical LocationSuperior to cricopharyngeus m.Inferior tocricopharyngeus m.

SolitaryBilateral > UnilateralsizeLarger(0.5-8cm)Smaller(0.3-2cm)

Zenker D.

6References Killian-Jamieson Diverticula: Radiographic FindingsAJR 2001;177:8589