Fig. 5
A 47-year-old patient with a 0.4-cm lesion in the left breast. a The low-energy image can’t show the lesion on CC. b The recombined image shows a small enhanced lesion (white arrow) on the upper inner quadrant on the CC. c The MRI MIP images of subtraction 4 min after contrast injection show obvious enhancement of the small mass (white arrow). d Microphotograph indicates the diagnosis of ductal carcinoma in situ. (×400, Haematoxylin and eosin)