All of the following statements about Zenker&;s diveiculum are true Except
It is a protrusion of mucosa through Killian's dehiscence, a weak area of posterior pharyngeal wall between thyropharyngeus (oblique fibres) and cricopharyngeus(transverse fibres) of the inferior constrictor muscle of pharynx. Barium swallow-lateral view shows pharyngeal pouch. It is a false diveiculum because it contains only mucosa and submucosa. True diveiculum contains all 4 layers. It is usually an Acquired condition. Reference: SRB's Manual of Surgery, 6th Edition, page no=421.
G.I.T
Acquired diveiculum
Lateral X-rays on Barium swallow are often diagnostic
False diveiculum
Out pouching of the anterior pharyngeal wall, just above the cricopharyngeus muscle
Out pouching of the anterior pharyngeal wall, just above the cricopharyngeus muscle