Metastatic Renal Cell Carcinoma to the Paranasal Sinus Presenting as Epistaxis: A Case Report

Abstract

Renal cell carcinoma is known to metastasize via blood flow, but metastasis of renal cell carcinoma to the nasal cavity and paranasal sinuses is rare. Here, we report a case of a 74-year-old male patient who presented with epistaxis for 2 months and buccal paresthesia for 5 months before his first visit to our clinic.He had a past medical history of right nephrectomy due to renal cell carcinoma and of multiple resections for 日 鼻 誌 62 (1) ：153～158， 2023