PMC4900045_01
62-year-old female with epidermoid cyst of the breast. Mammogram shows a well-circumscribed mass (arrow).
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The mammogram confirmed the presence of a 1.5-x-1.7-cm, well-circumscribed lesion of homogeneous density in the lower outer quadrant of the right breast (Fig. 1).
62-year-old female with epidermoid cyst of the breast. Ultrasound shows a well-circumscribed, heterogeneously echoic, lamellated nodule with increased through transmission.
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Next, a targeted ultrasound of the right breast showed the mass to be 1.5 cm, heterogeneously echoic, and well-defined in the 7:00 location (Fig. 2). Within the 7:00 mass, there were concentric hypoechoic and hyperechoic rings (Fig. 2).
62-year-old female with epidermoid cyst of the breast. Ultrasound shows a second well-circumscribed anechoic cyst with a thick wall.
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In addition, at the 6:00 region, a smaller anechoic nodule was found abutting the chest wall (Fig. 3). As seen in Fig. 3, the mass had a hypoenhancing rim and an inner, thick, higher-signal ring, followed by another inner low-signal ring surrounding a central area of higher signal.
62-year-old female with epidermoid cyst of the breast. Gadolinium-enhanced, fat-suppressed, axial, T1-weighted MRI shows a well-circumscribed, thick-walled, lamellated nodule (arrow).
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In the lower outer quadrant of the right breast, there was a thick-walled hypoenhancing nodule that corresponded to the palpable mass (Figure 4, Figure 5).
62-year-old female with epidermoid cyst of the breast. Gadolinium-enhanced, fat-suppressed, axial, T1-weighted MRI shows a second nodule (arrow) to be cystic.
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In the lower outer quadrant of the right breast, there was a thick-walled hypoenhancing nodule that corresponded to the palpable mass (Figure 4, Figure 5).