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副鼻窦及鼻咽腔CT解剖正常CT表现1鼻腔：中央有鼻中隔，两旁可见鼻甲及其表面粘膜，冠状面显示鼻甲及鼻道最佳2副鼻窦：可见光滑完整骨壁及分隔，表面粘膜几乎见不到，窦腔内充满气体。窦腔大小及形态变化较大鼻窦CT正常解剖（）图鼻窦CT正常解剖（）图1,1,筛窦筛窦2,2,蝶窦蝶窦3,3,额窦额窦4,4,上颌窦上颌窦5,5,窦口鼻窦口鼻道复合体道复合体下鼻甲水平下鼻... 2023-04-281388.57 MB69页3
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