Purpose: To study DR value in diagnosing sacrum and coccyx trauma injury.
目的:探讨直接数字X线摄影(direct digital radiograph,DR),诊断骶尾骨外伤的价值。
Aim: To investigate the distance between anus and coccyx(DAC) of adults and evaluate its clinical significance.
方法:2000年10月至2001年1月,按门诊就诊的先后顺序测量了203例17~90岁肛门直肠疾病患者肛门到尾骨的距离,其中便秘者共26例。
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