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MRI scanning increases eightfold in Canadian women with breast cancer

BMJ 2015; 351 doi: (Published 28 September 2015) Cite this as: BMJ 2015;351:h5088
  1. Jacqui Wise
  1. 1London

The use of magnetic resonance imaging (MRI) among women with newly diagnosed breast cancer increased eightfold over a 10 year period, a Canadian study published in JAMA Oncology has shown.1

The study found that preoperative breast MRI was associated with a notable increase in ancillary investigations, mastectomies, and contralateral prophylactic mastectomies and a longer waiting time to surgery.

Current guidelines recommend bilateral mammography as the primary imaging technique and, if necessary, preoperative ultrasonography. In recent years the use of preoperative breast MRI has …

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