Barium esophagography is helpful in the diagnosis of esophageal stricture. Findings on a barium esophagogram suggestive of  benign esophageal stricture include concentric narrowing, smoothly tapering and eccentric narrowing, abrupt, asymmetric in malignant causes.
Esophageal stricture other imaging findings
Nutcracker esophagus other imaging findings
Esophageal cancer other imaging findings
Achalasia other imaging findings
Barrett's esophagus other imaging findings
Esophageal stricture other diagnostic studies
Diffuse esophageal spasm other imaging findings
Esophageal stricture differential diagnosis