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Fig. 4 | Breast Cancer Research

Fig. 4

From: Diffusion tensor imaging for characterizing tumor microstructure and improving diagnostic performance on breast MRI: a prospective observational study

Fig. 4

Benign non-mass enhancement detected in a 40-year-old patient undergoing MRI to evaluate newly diagnosed cancer. a DCE post-contrast image demonstrates a 20-mm focal heterogeneous non-mass enhancement in the middle right breast 9 o’clock (arrow), assigned a BI-RADS category 4. DTI-derived parametric maps of b apparent diffusion coefficient (ADC), c fractional anisotropy, and eigenvalues d λ1, (e) λ2, and (f) λ3 are shown for the lesion regions overlaid in color on the b = 800 s/mm2 image. ADC, λ1, λ2, and λ3 are in units of 10−3 (mm2/s). The lesion demonstrated moderate ADC (mean ADC = 1.56 × 10−3 mm2/s) and high FA (FA = 0.39), with λ1 = 2.13 × 10−3 mm2/s, λ2 = 1.58 × 10−3 mm2/s, and λ3 = 0.97 × 10−3 mm2/s. MR-guided biopsy revealed benign usual ductal hyperplasia

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