PMC4637261_01
Imaging findings. A, Mammogram images displays an irregular dense shadow in the upper outer quadrant with increased parenchymal density. B, Corresponding ultrasound image of the hypoechoic mass, measuring 0.9 cm.
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F1
A 66-year old asymptomatic female patient underwent mammography screening, which revealed an irregular dense shadow involving a wide area of the upper outer quadrant of the right breast in the background of increased parenchymal density (Figure 1). Further ultrasonographic evaluation revealed a suspicious hypoechoic lesion measuring 0.9 cm, >6cm away from the nipple (Figure 1).