[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:
报道·诊断剖析
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