Abstract
A 56-year-old woman visited our hospital because of epistaxis. She had a history of renal cell carcinoma (RCC) and had previously undergone left nephrectomy 3 years prior to this presentation. Endoscopic examinations showed the presence of a tumor with necrosis which easily bled into her left nasal cavity. Radiographic examinations (CT and MRI, and PET-CT) revealed a highly-vascular tumor which was located in her left nasal cavity, but no sinus invasion was observed. Therefore, the patient underwent endonasal surgical resection using endoscopy after first performing selective sphenopalatine arterial embolization. The tumor was completely resected. Pathological examinations showed the tumor to be metastatic carcinoma of RCC. We herein report a rare case of distant metastasis of RCC which occurred in the nasal cavity. Treatment with selective arterial embolization prior to endoscopic tumor resection was found to be useful and therefore this treatment modality should be one of the therapeutic options for metastatic RCC occurring in the nasal cavity.
