Transabdominal ultrasonography in preoperative staging of gastric cancer

Table 4 Sonographic features of 46 benign and 48 malignant lymph nodes

Sonographic feature	Pathologic findings		P
	Benign lymph nodes (%)	Malignant lymph nodes (%)
Length (cm)			0.000
< 0.5	0	0
0.5-1.0	26 (56.5)	9(18.8)
1.1-1.5	9 (19.6)	16 (33.3)
1.6-2.0	9 (19.6)	8 (16.7)
≥ 2.1	2 (4.3)	15 (31.2)
Length (cm)			0.000
< 0.5	0	0
0.5-1.0	26 (56.5)	9 (18.8)
1.1-1.5	9 (19.6)	16 (33.3)
1.6-2.0	9 (19.6)	8 (16.7)
≥ 2.1	2 (4.3)	15 (31.2)
Width (cm)			0.005
<0.5	5 (10.9)	2 (4.2)
0.5-1.0	34 (73.9)	22 (45.8)
1.1-1.5	4 (8.7)	10 (20.8)
1.6-2.0	3 (6.5)	11 (22.9)
≥ 2.1	0 (0)	3 (6.3)
Shape
Spindle	9 (19.6)	5 (10.4)
Ovoid	15 (32.6)	10 (20.8)
Round	20 (43.5)	17 (35.4)
Irregular	2 (4.3)	8 (16.7)	0.045
Fusional	0 (0)	8 (16.7)	0.006
Border
Distinct	34 (73.9)	29 (60.4)
Indistinct	12 (26.1)	13 (27.1)
Infiltrative signs	0 (0)	6 (12.5)	0.027
Echogenicity
Hypoechoic	40 (87.0)	38 (79.1)
Slightly hyperechoic	6 (13.0)	2 (4.2)
Slightly hyperechoic	0	8 (16.6)	0.006