Diagnostic accuracy of B-mode, Doppler ultrasound, strain elastography, and 2D shear wave elastography in differentiation between benign and malignant lymphadenopathy

Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Comparison between benign and malignant lymph nodes regarding B-mode and Doppler ultrasound criteria

		Benign (No = 20)		Malignant (No = 40)		Test of sig	P-value
		No	%	No	%	Test of sig	P-value
Long axis (mm)	Mean ± SD	23.7 ± 9.6		24.9 ± 8.4		Mann–whitney 0.79	0.428
Long axis (mm)	Range	11.3–46.2		12.1–45.4		Mann–whitney 0.79	0.428
Short axis (mm)	Mean ± SD	12.2 ± 4.4		15.1 ± 5.2		Mann–whitney 2.48	0.013*
Short axis (mm)	Range	6.1–23.1		7.0–28.7		Mann–whitney 2.48	0.013*
Long axis/short axis ratio	Mean ± SD	1.9 ± 0.6		1.7 ± 0.3		Mann–whitney 2.13	0.034*
Long axis/short axis ratio	Range	1.2–3.7		1.2–2.5		Mann–whitney 2.13	0.034*
Cortical asymmetry	Present	15	75.0	40	100.0	10.91	^FE0.003*
Cortical asymmetry	Absent	5	25.0	0	0.0	10.91	^FE0.003*
Cortical thickness	Mean ± SD	8.1 ± 4.6		13.7 ± 5.9		Mann–whitney 3.57	< 0.001**
Cortical thickness	Range	2.5–19.0		4.0–28.7		Mann–whitney 3.57	< 0.001**
Borders	Regular	15	75	28	70	χ² 0.16	0.685
Borders	Irregular	5	25	12	30	χ² 0.16	0.685
Homogenicity	Homogenous	11	55	18	45	χ² 0.53	0.465
Homogenicity	Heterogeneous	9	45	22	55	χ² 0.53	0.465
Hilum	Present	11	55	9	22.5	χ² 6.34	0.012*
Hilum	Lost	9	45	31	77.5	χ² 6.34	0.012*
Vascularity	Central	5	25	4	10	χ² 2.55	0.28
	Peripheral	9	45	24	60
	Mixed	6	30	12	30
Resistive index	Mean ± SD	0.7 ± 0.1		0.7 ± 0.1		T 1.42	0.161
Resistive index	Range	0.51–0.76		0.55–0.84		T 1.42	0.161