Sinus within a sinus: a mammoth extramural ethmoid air cell.
Martin
D S
DS
Department of Radiology, St Louis University Health Sciences Center, MO 63110-0250.
Stith
J A
JA
D000293:Adolescent; D005005:Ethmoid Sinus / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D009669:Nose Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D018308:Papilloma, Inverted / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D013101:Sphenoid Sinus / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D014057:Tomography, X-Ray Computed