Nose/diagnostic imaging; Paranasal Sinuses/diagnostic imaging; Tomography, X-Ray Computed; Adolescent; Adult; Aged; Aged, 80 and over; Child; Ethmoid Sinus/abnormalities; Ethmoid Sinus/diagnostic imaging; Female; Frontal Sinus/abnormalities; Frontal Sinus/diagnostic imaging; Humans; Male; Maxillary Sinus/abnormalities; Maxillary Sinus/diagnostic imaging; Middle Aged; Nasal Septum/abnormalities; Nasal Septum/diagnostic imaging; Nasal Septum/pathology; Nose/abnormalities; Nose Diseases/diagnostic imaging; Orbit/abnormalities; Orbit/diagnostic imaging; Paranasal Sinus Diseases/diagnostic imaging; Paranasal Sinuses/abnormalities; Sphenoid Sinus/abnormalities; Sphenoid Sinus/diagnostic imaging; Turbinates/abnormalities; Turbinates/diagnostic imaging; Turbinates/pathology