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MRI-detected breast lesions




Reston, Va. Breast MRI allows physicians to evaluate suspicious lesions using a variety of variables. Scientists have found though that computer-aided kinetic information can help significantly in distinguishing non-malignant from cancerous suspicious breast lesions on MRI, as per a research studyreported in the recent issue of the American Journal of Roentgenology (AJR). .



MRI-detected breast lesions

In the study, performed at the University of Washington Medical Center, scientists analyzed and compared the computer-aided assessment variables of 125 suspicious breast lesions. Three different kinetic curves (washout, plateau and persistent), were compared along with lesion morphology (size and shape). "We wanted to clarify which, of the a number of variables that reflect kinetics, were most predictive of malignancy, said Constance Lehman, MD, main author of the study. "We found overlap in kinetic patterns across non-malignant and cancerous lesions, but we did determine that the "most suspicious" curve type, washout, was useful in separating non-malignant from cancerous lesions," said Dr. Lehman.

"Of lesions with the most suspicious curve type (any washout), 45.7 percent were cancerous compared with 20.0 percent with plateau and 13.3 percent with entirely persistent enhancement," she said.

"We continue to study the specific features on MRI most predictive of breast cancer. We know that the morphology of the lesion is extremely important, but our study also supports the use of kinetic features in lesion evaluation. The "most suspicious" curve, washout, does seem to help distinguish non-malignant from cancerous lesions," said Dr. Lehman.

"In breast MRI, it is important to know which variables are most important for predicting malignancy because they help us in determining whether or not a lesion needs to be biopsied or not," she said.


Posted by: Janet    Source




Did you know?
Reston, Va. Breast MRI allows physicians to evaluate suspicious lesions using a variety of variables. Scientists have found though that computer-aided kinetic information can help significantly in distinguishing non-malignant from cancerous suspicious breast lesions on MRI, as per a research studyreported in the recent issue of the American Journal of Roentgenology (AJR). .

Medicineworld.org: MRI-detected breast lesions

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