Performance of node reporting and data system (node-RADS): a preliminary study in cervical cancer

BMC Medical Imaging

Table 2 Comparison of characteristics between negative and positive lymph nodes in different regions

Characteristics	Para-aortic (n = 81)			Common iliac (n = 162)			Internal iliac (n = 162)			External iliac (n = 162)			Inguinal (n = 162)
Characteristics	LN (−)	LN (+)	P	LN (−)	LN (+)	P	LN (−)	LN (+)	P	LN (−)	LN (+)	P	LN (−)	LN (+)	P
Size			0.005			0.001			0.100			< 0.001			NA
Normal	75	4		147	12		129	30		69	13		158	4
Enlarged	0	2		0	3		1	2		58	12		0	0
Bulk	0	0		0	0		0	0		1	9		0	0
Configuration
Texture			0.013						< 0.001			< 0.001			1.000
Homogeneous	74	4		147	11	0.000	130	26		109	17		157	4
Heterogeneous	1	1		0	0		0	1		11	3		0	0
Focal necrosis	0	1		0	3		0	4		6	12		1	0
Gross necrosis	0	0		0	1		0	1		2	2		0	0
Border			0.005			0.006			< 0.001			0.009			1.000
Smooth	75	4		145	12		130	26		117	25		157	4
Irregular or ill-defined	0	2		2	3		0	6		11	9		1	0
Shape			0.144			0.001			< 0.001			< 0.001			1.000
Normal*	74	5		144	11		127	24		120	21		152	4
Abnormal^	1	1		3	4		3	8		8	13		6	0

*Any shape with preserved fatty hilum, or Kidney-bean-like or oval without fatty hilum
^Spherical shape without fatty hilum

ISSN: 1471-2342