Breast Cancer: Comparative Effectiveness of Positron Emission Mammography and MR Imaging in Presurgical Planning for the Ipsilateral Breast

Breast Cancer: Comparative Effectiveness of Positron Emission Mammography and MR Imaging in Presurgical Planning for the Ipsilateral Breast
Wendie A. Berg, Kathleen S. Madsen, Kathy Schilling, Marie Tartar, Etta D. Pisano, Linda Hovanessian Larsen, Deepa Narayanan, Al Ozonoff, Joel P. Miller, and Judith E. Kalinyak
Radiology 2011; 258 59-72

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Overall, 61 (16%) of 388 participants had an appropriate change in surgical management based on MR findings--more than the 41 (11%) participants with an appropriate change based on positron emission mammography (PEM) findings (P =. 003) and fewer than the 71 (18%) participants with an appropriate change based on combined PEM and MR findings (P =. 004 for comparison with MR imaging alone) ; 25 (6.4%) women had excessive excisions on the basis of MR findings compared with 19 (4.9%) women who had them on the basis of PEM findings (P =. 26) and 32 (8.2%) women who had them after undergoing combined PEM and MR imaging (P =. 023 for comparison with MR imaging alone)