[1]陈晓飞,周晟,汪新柱,等.腰椎数字化X线摄影焦片距120 cm与焦片距200 cm的成像对比[J].西部中医药,2015,28(03):133-135.
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腰椎数字化X线摄影焦片距120 cm与焦片距200 cm的成像对比
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《西部中医药》[ISSN:2096-9600/CN:62-1204/R]

卷:
28
期数:
2015年03期
页码:
133-135
栏目:
出版日期:
2015-03-15

文章信息/Info

文章编号:
1004-6852(2015)03-0133-03
作者:
陈晓飞，周晟，汪新柱，王闻奇
甘肃省中医院放射影像科，甘肃 兰州 730050
关键词:
放射摄影术; 腰椎; 焦-片距; 体表入射剂量
分类号:
R816.8
文献标志码:
B
摘要:
目的：在相同曝光剂量下，比较腰椎数字X线摄影系统焦-片距(FFD)120 cm与200 cm成像质量及辐射剂量。方法：将临床需进行X线复诊的腰椎间盘患者30名作为志愿者，腰椎摄影管电压设为正位80 Kv、侧位120 Kv,初查时设定FFD为120 cm,复查时FFD为200 cm，采用相同AEC及照射野进行摄影。由3名医师参照EUT16260EN腰椎影像质量评分标准进行评分。结果：初诊时FFD120cm组腰椎正侧位影像质量评分分别为（3.0±0.5）分、（2.5±0.5）分，ESD值分别为（1.56±0.24）mGy、(3.48±1.2)mGy；复诊时FFD200 cm组腰椎正侧位影像质量评分分别为(4.5±0.5）分、（4.0±0.5）分，ESD值分别为（0.97±0.21）mGy、(2.04±0.9)mGy。2组比较差异有统计学意义（P＜0.05）。结论：腰椎数字化X线摄影焦-片距200 cm成像质量较120 cm有所提高，且被检者体表入射剂量显著降低。

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备注/Memo

备注/Memo:
作者简介：陈晓飞(1975—)，男，主管技师。研究方向：数字化X线摄影。
更新日期/Last Update: 2015-03-15