Unexpected Cervical Lymph Node Metastasis Revealing TFE3-Rearranged Renal Cell Carcinoma: Intraoperative Cytologic Clues to an Occult Renal Primary
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TFE3-rearranged renal cell carcinoma (TFE3-rRCC) is a rare subtype of renal carcinoma that may present diagnostic challenges in cytologic specimens, particularly when metastatic disease represents the initial clinical manifestation. We report the case of a 72-... ...
