幽门管横断面为靶环征 targt sign
管横断面
Pipe cross section
以上为机器翻译结果，长、整句建议使用 人工翻译 。
横断面上腭鞘管位于翼腭窝的后方，翼管前端的内侧，呈窄锥形。
On axial HRCT, the palatovaginal canal was located behind of the pterygopalatine fossa and medial of the front part of pterygoid canal, showing narrow cone shaped.
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