Metastatic Renal cell Carcinoma Presenting as a clear-cell Tumor in Tongue: A Case Report

Abstract

Metastatic lesions of the oral cavity are extremely rare, accounting for approximately 1 % of all malignant oral tumors. The most common primary sources of metastatic tumors in the oral region are, from the most to the least common, the breast, lung, kidney, bone, and colon. Renal cell carcinoma accounts for nearly 3 % of all adult malignancies. It usually metastasizes