Differentiating Crohn’s disease from intestinal tuberculosis

Table 4 Comparison of colonoscopic findings between patients with Crohn’s disease and intestinal tuberculosis

Author/ year	Lee et al[9], 2005		Makharia et al[7], 2010		Li et al[17], 2011		Yu et al[8], 2012		Jung et al[20], 2016		Bae et al[23], 2017		Overall
Country	South Korea		India		India		China		South Korea		South Korea
Number of patients	CD	ITB	CD	ITB	CD	ITB	CD	ITB	CD	ITB	CD	ITB	CD	ITB
	44	44	53	53	130	122	53	43	158	98	40	40
Longitudinal ulcers	41	2	30	8	55	8	57	7	63	7	55	0	30-63	0-8
Transverse ulcers	25	66	-	-	5	41	34	70	14	73	8	63	5-34	41-73
Aphthous ulcers	82	21	55	13	54	44	13	14	60	21	43	10	13-82	10-44
Pseudopolyp	27	52	-	-	33	44	62	33	33	18	35	78	27-62	18-78
Cobblestone	34	7	17	0	28	2	25	5	40	10	33	3	17-40	0-10
Nodularity	-	-	25	49	49	33	-	-	-	-	-	-	25-49	33-49
Patulous valve	9	40	-	-	12	51	2	26	9	21	0	43	0-12	21-51
Stricture	21	18	-	-	29	23	-	-	28	9	-	-	21-29	9-23
Skip lesions	82	18	66	17	-	-	66	58	-	-	-	-	66-82	17-58

All figures are percentages. Last column summarizes all the studies. CD: Crohn’s disease; ITB: Intestinal tuberculosis.