Potential MRI Interpretation Model: Differentiation of Benign from Malignant Breast Masses
Ansgar Malich1,2,
Dorothee R. Fischer2,
Susanne Wurdinger2,
Joachim Boettcher2,
Christiane Marx2,
Mirjam Facius2 and
Werner A. Kaiser2
1 Present address: Department of Diagnostic Radiology, Suedharz-Hospital
Nordhausen, Dr. Robert-Koch Str. 39, 99734 Nordhausen, Germany.
2 Institute of Diagnostic and Interventional Radiology,
Friedrich-Schiller-University Jena, 07747 Jena, Germany.

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Fig. 1A 60+-year-old woman. Breast cancer (invasive ductal
cancer) with spiculated shape and blooming phenomenon (right upper lateral
quadrant) and rounded shape without blooming (left upper lateral quadrant).
Subtraction images obtained 1 and 7 min postcontrast, respectively.
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Fig. 1B 60+-year-old woman. Breast cancer (invasive ductal
cancer) with spiculated shape and blooming phenomenon (right upper lateral
quadrant) and rounded shape without blooming (left upper lateral quadrant).
Subtraction images obtained 1 and 7 min postcontrast, respectively.
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Fig. 2 60+-year-old woman. Hook sign. T2-weighted image
of spiculated breast cancer with hooklike connection of malignant lesion to
pectoral muscle.
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Fig. 3 60+-year-old woman. Perifocal edema surrounding
lesion is hypointense on T2-weighted image (histology is invasive ductal
cancer).
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Fig. 4 60+-year-old woman. Diffuse malignancy-induced
edema on T2-weighted imaging.
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Fig. 5 60+-year-old woman. Postcontrast T1-weighted image
of nonenhancing septations histologically verified as a benign phylloides
tumor.
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Copyright © 2005 by the American Roentgen Ray Society.