It is relatively unusual that initial symptoms of renal cell cancer begin with the metastatic involvement of other sites. Intracranial metastases especially in the paranasal sinuses may be unusual not only to surgeons but also to physicians. In this report, we present a case where a metastasis was first manifest as a sphenoid sinus secondary with ocular and visual disturbances prior to the demonstration of the primary tumor site. It turned out to be a case of diplopia masquerading as a metastatic renal cell cancer.

Keywords:
Metastatic renal cell carcinoma, Sphenoidal sinus metastasis, Paranasal sinus metastasis
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© 2004 S. Karger AG, Basel
2004
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