Artist's rendition of sinus anatomy. F= Frontal sinuses; E=Ethmoid sinuses; M=Maxillary sinuses; O=Maxillary sinus ostium; ST=Superior turbinate; T=Middle turbinate; IT= Inferior turbinate ...
Transillumination sometimes provides information on the condition of the maxillary and frontal sinuses. Endoscopic examination of the nose and the sinuses with the telescope is the most reliable ...