Maheshwari, G KBaboo, H APatel, M HUsha, G2003-01-172009-06-022003-01-172009-06-022003-01-17Maheshwari GK, Baboo HA, Patel MH, Usha G. Metastatic renal cell carcinoma involving ethmoid sinus at presentation. Journal of Postgraduate Medicine. 2003 Jan-Mar; 49(1): 96-7http://imsear.searo.who.int/handle/123456789/116138engCarcinoma, Renal Cell --secondaryEthmoid Sinus --pathologyHumansKidney Neoplasms --pathologyMaleMiddle AgedParanasal Sinus Neoplasms --secondaryRadiotherapy, AdjuvantMetastatic renal cell carcinoma involving ethmoid sinus at presentation.Case Reports