Effect of Magnetic Resonance Imaging on Breast Conservation Therapy versus Mastectomy: A Review of the Literature

Table 1

Change in Surgical Management (from breast conservation surgery) due to findings on MRI in Women with Breast Cancer.

Paper	No. of pts undergoing MRI	No. of addl lesions	% w/addl lesions	No. of addl bx	% addl bx	No. change in sx	% change in sx	True Positives	False positives
Angarita et al. [13]	71	29	40.8	7	9.9	7	9.9	Mastectomy 5/71, contralateral mastectomy 1/71, contralateral lumpectomy 1/71	NR
Lim et al. [25]	535	98	18.3	NR	NR	84	15.7	Mastectomy 21/535, wider excision 23/535, addl excision 3/535	Mastectomy 4/535, wider excision 28/535, addl excision 5/535
Scomersi et al. [29]	70	30	42.8	6	8.6	28	40.0	Mastectomy 13/70, wider excision 10/70	Mastectomy 2/70, wider excision 3/70
Pengel et al. [20]	173	19	11.0	4	2.3	19	11.0	Mastectomy 15/173, wider excision 4/173	Wider excision 1/173
Godinez et al. [18]	79	80	n/a	28	35.4	30	38.0	Mastectomy 8/79, wider excision 11/79	Mastectomy 2/79, wider excision 9/79
Grobmeyer et al. [23]	79	NR	NR	25	31.6	15	19.0	NR	NR
Bilimoria et al. [22]	155	124	80.0	41	26.5	36	23.2	Mastectomy 8/155, wider excision 5/155, contralateral 2/155	Mastectomy 2/155, wider excision 16/155, contralateral 3/155
Duerloo et al. [16]	116	48	41.4	19	16.4	25	21.6	Mastectomy 18/116, wider excision 6/116	Mastectomy NR, wider excision 1/116
Bagley et al. [14]	27	13	48.1	26	n/a	13	48.1	Mastectomy 12/155, contralateral mastectomy 1/155	NR
Liberman et al. [19]	70	36	51.4	44	62.9	20	28.6	Mastectomy 15/70, wider excision NR	Mastectomy 5/70, wider excision NR
Drew et al. [15]	178	41	23.0	3	1.7	20	11.2	NR	NR
Fischer et al. [17]	463	66	14.3	16	3.5	66	14.3	Multifocal: mastectomy 10/463, wider excision 19/463; multicentric: mastectomy 22/463; contralateral: lumpectomy 14/463, mastectomy 1/463	NR
Tan et al. [21]	83	13	15.7	NR	NR	13	15.7	Mastectomy 2/83, wider excision 3/83	Mastectomy 1/83, wider excision 7/83

*NR: not reported, bx: biopsies, sx: surgery, pts: patients.