Differentiation of Isolated Small Bowel Crohn’s Disease from Other Small Bowel Ulcerative Diseases: Clinical Features and Double-Balloon Enteroscopy Characteristics

Table 6

Characteristics of ulcers in different intestinal segments.

Characteristics	Duodenum ( (%))			Jejunum ( (%))			Ileum ( (%))
	ISBCD	OSBUD	value	ISBCD	OSBUD	value	ISBCD	OSBUD	value
Longitudinal ulcer	0 (0)	0 (0)	—	5 (13.9)	3 (8.8)	0.772	65 (58.6)	1 (1.5)	<0.001
Superficial small ulcer	3 (60.0)	5 (62.5)	1.000	18 (50.0)	17 (50.0)	1.000	20 (18.0)	15 (51.7)	<0.001
Large ulcer	0 (0)	1 (12.5)	1.000	0 (0)	9 (26.5)	0.003	5 (4.5)	5 (17.2)	0.049
Circular ulcer	0 (0)	0 (0)	—	6 (16.7)	5 (14.7)	0.822	17 (15.3)	8 (27.6)	0.124
Irregular ulcer	0 (0)	0 (0)	—	3 (8.3)	0 (0)	0.258	6 (5.4)	3 (10.3)	0.589
Ulcer scar	0 (0)	1 (12.5)	1.000	7 (19.4)	1 (2.9)	0.073	11 (9.9)	0 (0)	0.168
Linear ulcer	2 (40.0)	0 (0)	0.128	0 (0)	1 (2.9)	0.486	6 (5.4)	1 (3.4)	1.000
Deep ulcer	0 (0)	1 (12.5)	1.000	0 (0)	4 (11.8)	0.109	2 (1.8)	0 (0)	1.000
Intestinal stenosis	0 (0)	0 (0)	—	17 (47.2)	7 (20.6)	0.019	50 (45.0)	11 (37.9)	0.491
Mucosal hyperplasia	0 (0)	0 (0)	—	5 (13.9)	2 (5.9)	0.473	28 (25.2)	4 (13.8)	0.192