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KMID : 1103720160740040267
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Journal of the Korean Society of Radiology
2016 Volume.74 No. 4 p.267 ~ p.272
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Two Breast Metastases from Thyroid Carcinoma Presented 6 Years Later after Total Thyroidectomy: A Case Report
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Kwon Gene-Hyuk
Kang Bong-Joo
Jeong Na-Young
Kim Sung-Hun
Lee Ah-Won
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Abstract
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Thyroid carcinoma is usually indolent with good prognosis, as compared to other malignancy. Distant metastases from thyroid cancer are rare and usually manifest as multiple lesions especially in lungs, bones and lymph nodes, in advanced stages of the disease. Metastasis to the breast from thyroid carcinoma is extremely rare, with about 16 cases reported in the English literature. Herein, we reported a case of metastatic poorly differentiated thyroid carcinoma, which presented as 2 breast masses in a 72-year-old woman, 6 years after total thyroidectomy for papillary thyroid carcinoma. Although the computed tomography (CT) and ultrasonography (USG) image findings are nonspecific oval mass with circumscribed or partially indistinct margin, metastases from thyroid cancer should be included in the differential diagnosis when recurrence of thyroid carcinoma is suspected. Also, fusion images of CT and USG are helpful to the radiologists in localizing the targeted lesion and conducting accurate USG-guided biopsy.
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KEYWORD
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Thyroid Carcinoma, Breast, Metastasis, Computed Tomography, Ultrasonography, Positron-Emission Tomography
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