Potential model for differential diagnosis between Crohn's disease and primary intestinal lymphoma

Table 3 Computed tomography enterography parameters of Crohn’s disease and primary intestinal lymphoma patients n (%)

Parameters	CD	PIL	P value	Score
	n = 85	n = 56
Involvement of ≤ 3 segments	31 (36.5)	45 (80.4)	< 0.001	-1
Circular thickening of bowel wall	33 (38.8)	35 (62.5)	0.006	-1
Wall thickness of > 8 mm	21 (24.7)	45 (80.4)	< 0.001	-1
Aneurysmal dilation	5 (5.9)	27 (48.2)	< 0.001	-1
Target sign	25 (29.4)	12 (21.4)	0.292	N/A
Enhancement after a contrast-enhanced scan	67 (78.8)	37 (66.1)	0.092	N/A
Stricture with proximal dilation	19 (22.4)	4 (7.1)	0.017	1
Abscess	7 (8.2)	2 (3.6)	0.449	N/A
Phlegmon	8 (9.4)	2 (3.6)	0.324	N/A
Ascites	5 (5.9)	7 (12.5)	0.174	N/A
“Comb sign”	61 (71.8)	18 (32.1)	< 0.001	1
Enlargement of the abdominal lymph nodes	42 (49.4)	36 (64.3)	0.082	N/A
Enhanced density of the peri-intestinal fat	30 (35.3)	26 (46.4)	0.186	N/A
Mass showing the “sandwich sign”	2 (2.4)	9 (16.1)	< 0.001	-1
Intussusceptions	0 (0.0)	3 (5.4)	0.031	-1

CD: Crohn’s disease; PIL: Primary intestinal lymphoma.