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Fig. 3 | Breast Cancer Research

Fig. 3

From: Limited role of DWI with apparent diffusion coefficient mapping in breast lesions presenting as non-mass enhancement on dynamic contrast-enhanced MRI

Fig. 3

Invasive lobular cancer in a 49-year-old, with biopsy-proven invasive lobular cancer, grade 2. a Dynamic contrast-enhancement MRI maximum intensity projection of the left breast shows in the upper-outer quadrant, a 63-mm segmental area of non-mass enhancement, with heterogeneous internal enhancement pattern. b Diffusion-weighted sequence at b 850 and c apparent diffusion coefficient (ADC) map. d Among the three segmentation tools, the darkest part of the tumor (Dptu) 2D region of interest (ROI) proved to yield the highest diagnostic accuracy, showing the lowest ADC values (Dptu ADC mean, 1.021 × 10−3 mm2/s; whole tumor ROI, 1.568 × 10−3 mm2/s; point tumor delineation ROI, 1.029 × 10−3 mm2/s)

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