Bone and some organs (such as lungs) especially lend themselves to projection radiography.
骨和某些器官(如肺)，尤其是适合投影放射。
2
Objective to use high and low condition to get contrast radiography of nasal bone photograph to raise the image quality.
目的：通过对鼻骨侧位进行高低条件对照摄影，提高了鼻骨外伤的影像质量。
3
Conclusion The PSA can be accurately calculated by CT measurement, it has very important value in the imaging diagnosis of ear and petrous bone diseases for the head radiography.