指在鼻咽部，咽鼓管圆枕后方与咽后壁之间的纵行深窝称咽隐窝，是鼻咽癌的好发部位。
结果肿块突入鼻咽腔致咽隐窝变平、消失或两侧不对称37例，为最常见表现；
Results 37 cases with masses invading nasopharyngeal cavity, and blunting or loss or asymmetry of Rosenmuller fossa were the most common manifestation;
在经咽隐窝的断面上，观察咽旁间隙及咽旁结构的解剖学关系，利用游标卡尺及关联方格分别测量其宽度和面积。
At pharyngeal recess level, parapharyngeal space and parapharyngeal structure were observed and measured in the width and area with vernier caliper and associate pane.
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