Comparison and risk factors analysis of multiple breast cancer screening methods in the evaluation of breast non-mass-like lesions

Table 2 Association between imaging features and pathological diagnosis

	Total (n = 253)	Pathologically benign (n = 180)	Pathologically malignant or precursor (n = 73)	χ²	P
Internal echo
Homogeneous	24	21	3	3.454	0.063
Heterogeneous	229	159	70
Hyperechoic
Non	105	86	19	13.093	0.001
Scattered spotty	83	48	35
Aggregated spotty	65	46	19
Peripheral CDFI
Adler 0	163	139	24	67.550	< 0.001
Adler 1	50	33	17
Adler 2	23	5	18
Adler 3	17	3	14
Internal flow
Adler 0	161	139	22	65.131	< 0.001
Adler 1	49	30	19
Adler 2	25	8	17
Adler 3	18	3	15
Ductal change
Non	182	129	53	14.617	0.001
Duct ectasia (anechoic inside)	29	28	1
Duct ectasia (Low-echo inside)	42	23	19
Peripheral change
Non	216	167	49	29.008	< 0.001
Architectural distortion	36	12	24
Structure distortion X-ray
Non	173	134	39	11.449	0.003
Distortion	38	20	18
Disorder	42	26	16
asymmetry
Non	223	167	56	12.826	< 0.001
Focal asymmetry	30	13	17
Calcification
Non	53	48	5	14.107	0.001
Scattered spotty	120	75	45
Aggregated spotty or cluster	80	57	23
Coronal plane
Non	106	99	7	60.580	< 0.001
Obscure	103	67	36

χ² means the value of chi-square test, P means the significant value of chi-square testn

ISSN: 1471-2342