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Adenoid Cystic Carcinoma of the Breast
Yun-Chung Cheung1, Shir-Hwa Ueng2, Shu-Hang Ng1
1Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital at Linkuo, Taoyuan City, Taiwan.
Background:
Contrast-enhanced spectral mammogram (CESM) is a modern technique providing additional information to detect or diagnose breast cancers.
Introduction:
We present a rare ACC of the breast on CESM.
Methods:
A 49-year-old woman with surgicopathological proved ACC was reported with tumor features on CESM, sonography and contrast-enhanced magnetic resonance imaging (CE-MRI).
Results:
Sonography revealed a 1.4 cm × 1.2 cm × 1 cm circumscribe round mass in the upper outer quadrant of the left breast that was diagnosed with fibroadenoma. The mammogram did not show any discernible mass, however, the recombined subtracted images displayed a circumscribe mass with thin rim enhancement and enhanced internal patches that were resembling CE-MRI. Finally, the mass was proved to ACC.
Conclusion:
CESM facilitates the detection of isodense cancer and provides the enhanced features for differential diagnosis. Resembling CE-MRI, CESM displayed rim enhancement and internal enhanced patches as diagnostic clues for this case of ACC.
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