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MRI Evaluation of Small Hepatic Lesions in Women with Breast Cancer

Stacey A. Patterson1,2, Hanan I. Khalil1,3 and David M. Panicek1

1 Department of Radiology, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021.
2 Present address: Department of Radiology, Mount Sinai Hospital of Queens, Queens, NY.
3 Present address: Department of Diagnostic Imaging, Brown University and Rhode Island Hospital, Providence, RI.


Figure 1
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  		Fig. 1A —71-year-old woman with invasive ductal carcinoma. Contrast-enhanced CT shows hepatic lesion (arrow) deemed too small to characterize.

 

Figure 2
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  		Fig. 1B —71-year-old woman with invasive ductal carcinoma. Contrast-enhanced T1-weighted MR image obtained 13 days after A shows lesion (large arrow) in A is not enhanced, diagnostic of cyst. Lesion (small arrow) in posterior right lobe represents partial volume averaging of another cyst, which was evident in more caudal images (not shown).

 

Figure 3
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  		Fig. 2A —54-year-old woman with ductal carcinoma in situ. Contrast-enhanced CT scan shows left hepatic lobe lesion (large arrow) deemed too small to characterize. Lesion (small arrow) in right hepatic lobe represents cyst, better seen in more caudal images (not shown).

 

Figure 4
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  		Fig. 2B —54-year-old woman with ductal carcinoma in situ. Contrast-enhanced T1-weighted MR image obtained 2 days later shows left hepatic lesion (arrow) with peripheral nodular enhancement. Lesion showed homogeneous, moderately high signal on T2-weighted images (not shown). Findings were considered diagnostic of hemangioma.

 

Figure 5
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  		Fig. 3A —41-year-old woman with inflammatory invasive ductal carcinoma. Contrast-enhanced CT scan shows low-attenuation hepatic lesion (arrow) deemed too small to characterize.

 

Figure 6
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  		Fig. 3B —41-year-old woman with inflammatory invasive ductal carcinoma. Contrast-enhanced T1-weighted MR image obtained 10 days after A shows irregular peripheral enhancement in lesion (arrow). Lesion was only mildly hyperintense on T2-weighted images (not shown), consistent with metastasis. Results of fine-needle aspiration biopsy confirmed metastasis of breast cancer.

 

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