乳腺ａｄｅｎｏｍｙｏｅｐｉｔｈｅｌｉｏｍａの１例‐ＭＲＩ所見を中心に‐

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タイトル別名
  • A CASE OF ADENOMYOEPITHELIOMA OF THE BREAST-IN TERMS OF CHARACTERISTIC FINDINGS OF MRI-
  • IN TERMS OF CHARACTERISTIC FINDINGS OF MRI
  • MRI所見を中心に

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A 52-year-old woman was admitted to the hospital because of a mass of her left breast which she had noticed about 2 years earlier. The smooth, hard, and mobile mass was palpable in the upper inner quadrant of the left breast. Mammography showed no clear mass, but ultrasonography showed an approximately 12mm-in-size unequally hypoechoic round mass with a clear border. Magnetic resonance imaging (MRI) scan showed a unequally high intensity lesion with a clear border in T2-weighted images (T2WI). In contrast enhancement images, only the border of the tumor was visualized in the early phase. Immediately many small dot-like lesions were visualized inside the tumor, and then the whole region of the tumor was quickly enhanced. This tumor was diagnosed as adenomyoepithelioma histopathologically and a wide excision of the tumor was performed. There have been few reports on the images of this disease, and we often have great difficulties in preoperative diagnosis. MRI findings with contrast enhancement obtained in this case were very characteristic. We think that these findings on MRI are useful for the diagnosis of this disease.

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