Microradiography of Microcalcifications in Breast Specimen: A New Histological Correlation Procedure and the Effect of Improved Resolution on Diagnostic Validity

Table 2

BIRADS classification in conventional specimen radiography and microradiography. Summary of five examiners.

Case	Numbers of diagnosis; conv. radiography		Numbers of diagnosis; microradiography		Histology		Diagnosis of the; examined specimen
Nr.	BIRADS; 2 and 3; (benign)	BIRADS; 4 and 5; (malignant)	BIRADS; 2 and 3; (benign)	BIRADS; 4 and 5; (malignant)
1	1	4	3	2	Benign		Fibrocystic mastopathy
2	0	5	1	4	Benign		Fibrocystic mastopathy
3	4	1	5	0	Benign		Fibrocystic mastopathy
4	5	0	1	4	Benign		Fibrocystic mastopathy
5	5	0	3	2	Benign		Fibrocystic mastopathy
6	2	3	1	4	Benign		Fibrocystic mastopathy
7	4	1	2	3	Benign		Fibrocystic mastopathy
8	2	3	2	3	Benign		Fibrocystic mastopathy
9	0	5	2	3	Benign		Fibrocystic mastopathy
10	5	0	1	4	Benign		Fibrocystic mastopathy
11	4	1	1	4	Benign		Fibrocystic mastopathy
12	1	4	1	4	Benign		Fibrocystic mastopathy
13	4	1	5	0		Malignant	Intraductal high-grade comedocarcinoma
14	0	5	1	4		Malignant	Ductal carcinoma in situ
15	5	0	5	0		Malignant	Ductal carcinoma in situ
16	3	2	0	5	Benign		Fibrocystic mastopathy
17	5	0	5	0	Benign		Fibrocystic mastopathy
18	1	4	0	5	Benign		Fibrocystic mastopathy
19	5	0	5	0	Benign		Fat tissue necrosis
20	2	3	5	0	Benign		Pericanalicular fibroadenoma
21	5	0	5	0		Malignant	Ductal carcinoma in situ
22	0	5	2	3		Malignant	Ductal carcinoma in situ
23	0	5	2	3		Malignant	Ductal carcinoma in situ
24	3	2	2	3	Benign		Fibrocystic mastopathy
25	3	2	4	1		Malignant	Ductal carcinoma in situ
26	4	1	5	0	Benign		Fibrocystic mastopathy
27	0	5	5	0	Benign		Fibrocystic mastopathy
28	0	5	0	5	Benign		Fibrocystic mastopathy
29	4	1	1	4	Benign		Fibrocystic mastopathy
30	4	1	5	0		Malignant	Intraductal high-grade comedocarcinoma
31	1	4	1	4		Malignant	Intraductal high-grade comedocarcinoma
32	2	3	1	4		Malignant	Cribriform intraductal carcinoma in situ
correct	60	26	51	19
false	24	50	31	59
Total	84	76	82	78