European Radiology Experimental

Table 4 BI-RADS diagnostic categories distribution in the studied population

From: Optical imaging of the breast: evaluation of deoxyhemoglobin concentration alteration in 166 patients with suspicious breast lesions

	Mammography BI-RADS	US BI-RADS	Mammography/US BI-RADS^a
Non-malignant lesions (n = 75)
BI-RADS 0	16	2
BI-RADS 1	7	0
BI-RADS 2	4	3
BI-RADS 3	22	40	37
BI-RADS 4	21	22	29
BI-RADS 5	3	6	7
Malignant lesions (n = 101)
BI-RADS 0	14	1
BI-RADS 1	6	0
BI-RADS 2	0	1
BI-RADS 3	3	3	3
BI-RADS 4	19	20	15
BI-RADS 5	59	76	83
Negative breasts (n = 155)
BI-RADS 0	47	31	27
BI-RADS 1	105	115	118
BI-RADS 2	2	5	6
BI-RADS 3	0	4	4
Total	331	331	331

^aThe higher BI-RADS value between mammography and US

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