A Case of Renal Cell Carcinoma that Metastasized to the Ethmoid Sinus and Sphenoid Sinus

Abstract

A 62-year-old man, complaining of left nasal bleeding and left exophthalmos, presented with a tumor in the left nasal cavity. CT scan showed a large mass extending to the leftethmoid sinus, sphenoid sinus and cranium. At the first biopsy, hemangioendothelioma was histologically suspected.
However, the second biopsy revealed metastatic carcinoma from the kidney. The patient had right nephrectomy 2 years ago under the dianosis of renal cell carcinoma. He was treated with lineac X-ray and interferon. Although the size of the tumor showed little change on CT scans, symptoms such as diplopia, exophthalmos and nasal bleeding were improved.