Table 2.

Endoscopic Characteristics of CD and ITB

Characteristic	CD	ITB
Involvement of ICV	Common	Usually, strictured and patulous ICV
Involvement of colon	≥4 Segments, especially terminal ileum and ICV	<4 Segments, especially ICV and ascending colon
Ulcers	Longitudinal	Transverse
Cobblestone appearance	Frequent	Rare
Aphtous lesions	Frequent	Rare
Perianal lesions	Frequent	Rare
Scars/pseudopolyps	+	++

CD, Crohn’s disease; ITB, intestinal tuberculosis; ICV, ileocecal valve.