title: The spheno-ostio-choanal polyp: a rare and curious entity.
authors: Head and Neck Institute, Cleveland Clinic, 9500 Euclid Ave, Desk A-71, Cleveland, OH 44195, USA. sindwar@ccf.org
authors: Raj
authors: R
authors: Sindwani
authors: Matthew
authors: M
authors: Marino
mesh_terms: D000369:Aged, 80 and over; D003937:Diagnosis, Differential; D004724:Endoscopy; D006801:Humans; D008297:Male; D015508:Nasal Obstruction / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D009298:Nasal Polyps / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D009305:Nasopharynx / Q000473:pathology / Q000601:surgery; D013101:Sphenoid Sinus / Q000473:pathology / Q000601:surgery; D014057:Tomography, X-Ray Computed