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Published on: April 29, 2014
18F-FDG PET/CT detects Metastatic Renal Cell Carcinoma Masquerading as Primary Breast Malignancy
Ashwin Singh Parihar1, Bhagwant Rai Mittal1, Shelvin Kumar Vadi1
11Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012 India.
Abstract:
We present the case of a 36-year-old woman who underwent 18F-FDG PET/CT with suspicion of a primary breast malignancy. However, PET/CT detected an occult renal cell carcinoma with metastases to the thyroid, breast, lungs and lymph nodes. Thyroid and breast metastases are atypical metastatic sites of renal cell carcinoma. Breast metastases from extra mammary tissue are extremely rare, more so from renal cell carcinoma. Histopathologic confirmation of the breast lesions is imperative to avoid unnecessary mastectomy and imaging can help in raising the suspicion of metastatic involvement versus primary breast malignancy.
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