"Schatzki ring: occurs in the distal oesophagus"
Expected headings
"Associations"
"Radiographic appearance"
"Fluoroscopy: barium swallow"
"More commonly occur in the cervical oesophagus near cricopharyngeus muscle than in the thoracic oesophagus. They typically arise from the anterior wall and never from the posterior wall; they can also be circumferential 4. Occasionally, multiple webs are visualised during maximal distension."