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Primary clear cell carcinoma of nasal cavity: a case report and review of literature.

Primary Clear Cell Carcinoma (CCC) of nasal cavity is rare and is often misdiagnosed as a malignant or benign lesion frequently. We reported a case of primary clear cell carcinoma of nasal cavity, with the complaint of epiphora in right eye, nasal obstruction and bleeding. CCC often confused with the metastatic renal clear cell carcinoma (RCC) of the nasal cavity, pathology and immunohistochemistry are the gold standards of Clear Cell Carcinoma could help us to make a definite diagnosis. Surgery, radiotherapy and chemotherapy are the main treatment methods.