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Breast MRI Detects Additional 'Unsuspected' Cancers Not Seen On Mammography Or Ultrasound

Date:
May 25, 2009
Source:
American Roentgen Ray Society
Summary:
Nearly 20 percent of patients with recently diagnosed breast cancer had additional malignant tumors found only by MRI, according to a new study.

Nearly 20% of patients with recently diagnosed breast cancer had additional malignant tumors found only by MRI, according to a study performed at Dartmouth Hitchcock Medical Center.

A total of 199 patients with newly diagnosed breast cancer underwent breast MRI. “We found additional, unsuspected cancers in the ipsilateral breast (the one that had already been diagnosed with cancer) in 16% of patients; we found cancers in the contralateral breast (the one that had not been diagnosed with cancer) in 4% of patients,” said Petra J. Lewis, MD, lead author of the study. “These patients had already had bilateral mammography and these tumors had not been apparent on mammography,” said Dr. Lewis.

“The detection of an unsuspected tumor is critical. These additional tumors in nearly a fifth of patients are tumors that can potentially grow and not be diagnosed until they are much larger—affecting the health and survival of the patients,” she said.

“This study has been particularly helpful to us as clinicians because it gives us data we can discuss with patients when recommending breast MRI,” said Dr. Lewis.


Story Source:

The above story is based on materials provided by American Roentgen Ray Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Schell et al. Role of Breast MRI in the Preoperative Evaluation of Patients with Newly Diagnosed Breast Cancer. American Journal of Roentgenology, 2009; 192 (5): 1438 DOI: 10.2214/AJR.08.1551

Cite This Page:

American Roentgen Ray Society. "Breast MRI Detects Additional 'Unsuspected' Cancers Not Seen On Mammography Or Ultrasound." ScienceDaily. ScienceDaily, 25 May 2009. <www.sciencedaily.com/releases/2009/05/090522131929.htm>.
American Roentgen Ray Society. (2009, May 25). Breast MRI Detects Additional 'Unsuspected' Cancers Not Seen On Mammography Or Ultrasound. ScienceDaily. Retrieved August 30, 2014 from www.sciencedaily.com/releases/2009/05/090522131929.htm
American Roentgen Ray Society. "Breast MRI Detects Additional 'Unsuspected' Cancers Not Seen On Mammography Or Ultrasound." ScienceDaily. www.sciencedaily.com/releases/2009/05/090522131929.htm (accessed August 30, 2014).

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