title: Ethmoid sinus carcinoma metastasising to the cauda equina: a case report.
mesh_terms: D002277:Carcinoma / Q000556:secondary*; D002420:Cauda Equina; D005005:Ethmoid Sinus; D006801:Humans; D008297:Male; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000209:etiology; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis*; D010524:Peripheral Nervous System Neoplasms / Q000556:secondary*