Relaxation Measurement of Ex-Vivo Breast Cancer Tissues at Ultralow Magnetic Fields

Table 1

Analyzed and measured parameters.

Specimen number	Type	Cancer %		at 122 T (ms)		at 62 T (ms)		at 37 T (ms)
		Tumor tissue	Normal tissue	Tumor tissue	Normal tissue	Tumor tissue	Normal tissue	Tumor tissue	Normal tissue
S13-01	Ductal	90	0	60.4 ± 45.7	48.2 ± 26.4	84.1 ± 21.9	91.4 ± 42.2	109.5 ± 42.9	69 ± 3
S13-02^a	Ductal	25	0	161.1 ± 53.2	81.3 ± 24.7	53.5 ± 10.8	94.1 ± 33.2	79 ± 35.2	56.4 ± 19.3
S13-03	Ductal	75	0	68.7 ± 9.9	74 ± 38.5	63.4 ± 2.9	62.3 ± 20.5	66.8 ± 13.7	97.7 ± 18.4
S13-04^a	Lobular	60	0	81 ± 20.1	54.6 ± 11	61.8 ± 5	60.8 ± 5	59.5 ± 8.9	66 ± 8.4
S13-05^a	Ductal + lobular	60	5	100.1 ± 7.4	—	121 ± 53.3	86.6 ± 5	68.5 ± 10.4	105 ± 12.4
S13-06	Ductal	70	0	72.2 ± 22.8	67.3 ± 7.5	63.6 ± 13.8	67.6 ± 8.3	79.4 ± 5.2	63.4 ± 5.3
S13-07	Ductal	75	0	79.2 ± 5.8	101.3 ± 11.2	73.6 ± 4.8	74.4 ± 12.3	68.2 ± 4.8	74.2 ± 6.4
S13-08	Ductal	90	0	169.2 ± 14.7	83.3 ± 15.6	81.9 ± 28.3	82.9 ± 9.3	64.1 ± 18.4	61.2 ± 12.8
S13-09	Mucinous	100	0	347.7 ± 24.9	77.5 ± 26.9	358.6 ± 25.8	84.7 ± 13.4	—	46.3 ± 5.6
S13-10	Ductal	75	0	67 ± 3	63.5 ± 9.7	68.9 ± 2.7	84.4 ± 19	65.6 ± 2.4	65.9 ± 5.6
S13-11^a	Ductal	90	0	86.1 ± 7.9	98.4 ± 29.8	84 ± 6.1	60.3 ± 44.3	76.5 ± 1.3	87.6 ± 27.8
S13-12	Ductal	70	0	115 ± 11.7	100.6 ± 8.5	91.2 ± 3.3	81.2 ± 2.7	49.8 ± 7.1	25.5 ± 7.8
S13-13	Ductal	90	0	65.5 ± 0.3	75.8 ± 21.2	52.2 ± 15.4	77.3 ± 8.1	64 ± 3.1	81.6 ± 14.5

The preoperative chemotherapy was performed.