Esophageal strictures: Management beyond dilation

Table 2 Difference between simple and complex stricture

Feature	Simple stricture	Complex stricture
Length	Usually less than 2 cm	Often more than 2 cm
Shape	Straight	Angulated and/or tortuous
Lumen diameter	≥ 10-12 mm	< 10 mm
Endoscope passage	Usually, possible	Often impossible
Number	Usually, single	Single or multiple
Response to dilation	Good, 1-2 sessions are often enough	Recurrent, requires multiple sessions
Cause	Peptic stricture, esophageal web, Schatzki ring, etc.	Caustic strictures, radiation stricture, eosinophilic esophagitis, etc.