Postnasal drip syndrome - I : Sinusitis Sinusitis Normal sinusseries a) Frontal projection(Caldwell view)Frontal sinuses& the ethmoid aircells are visualized while the petrous bones hide the maxillary antra. b) Semi-axial projection(Water's view) Both maxillary antra are well depicted and the orbital floor with the infraorbital canal (black arrow) is separated from the orbital rim (open arrow). The sphenoid compartments can be seen th.. 더보기 이전 1 ··· 33 34 35 36 37 38 39 ··· 59 다음