PMC4891469_01
Mammograms of the right breast in the medial lateral oblique (MLO) projection demonstrating a mass (arrow) in the upper outer quadrant that is decreasing in size over six years. A, Six years prior. B, Four years prior. C, Two years prior. D, At presentation.
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It progressively decreased in size to 4 mm on the most recent mammogram (Figure 1).
Spot compression CC view of the mass (arrows) demonstrating spiculated margins.
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Additional spot compression views revealed the mass to have spiculated margins, a worrisome feature on mammography that is highly suggestive of malignancy (Figure 2).
Ultrasound images of the right upper outer quadrant mass. A, Before biopsy, the mass (between cursors) is hypoechoic with irregular borders and is taller-than-wide. B, During biopsy the mass is partially obscured by the biopsy needle (arrows).
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An ultrasound-guided biopsy (Figure 3) revealed invasive tubular carcinoma with ductal carcinoma in situ.