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CT fluoroscopy-guided lung biopsy versus conventional CT-guided lung biopsy: a prospective controlled study to assess radiation doses and diagnostic performance.

 Ga Ram Kim  ;  Jin Hur  ;  Kyu Ok Choe  ;  Tae Hoon Kim  ;  Byoung Wook Choi  ;  Young Jin Kim  ;  Hua Sun Kim  ;  Ji Eun Nam  ;  Yoo Jin Hong  ;  Hye-Jeong Lee  ;  Sang Min Lee 
 European Radiology, Vol.21(2) : 232-239, 2011 
Journal Title
 European Radiology 
Issue Date
OBJECTIVE: We evaluated radiation doses, complication rates, and diagnostic accuracy for CT-guided percutaneous needle aspiration biopsy (NAB) procedures of pulmonary lesions performed with or without fluoroscopic guidance. METHODS: A total of 142 patients were prospectively enrolled to receive CT-guided NAB with (Group I, n = 72) or without (Group II, n = 70) fluoroscopic guidance. Outcome measurements were patient and doctor radiation dose, and complication rate. Sensitivity, specificity and accuracy were calculated based on 123 NAB results. RESULTS: The mean estimated effective patient radiation dose was 6.53 mSv in Group I and 2.72 mSv in Group II (p < 0.001). The mean estimated effective doctor dose was 0.054 mSv in Group I and 0.029 mSv in Group II (p < 0.001). The complication rate was significantly different between the two groups (13.4% versus 31.4%, p = 0.012). Sensitivity, specificity and accuracy for diagnosing pulmonary lesions were 97.8%, 100% and 98.4% in group I and 95.3%, 100% and 89.5% in group II (p > 0.05). CONCLUSIONS: CT fluoroscopy-guided NAB of pulmonary lesions provides high diagnostic accuracy and can be performed with significantly fewer complications. However, radiation exposure to both patient and doctor were significantly higher than conventional CT-guided NAB.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실)
Yonsei Authors
김가람(Kim, Ga Ram) ; 김영진(Kim, Young Jin) ; 김태훈(Kim, Tae Hoon) ; 김화선(Kim, Hua Sun) ; 남지은(Nam, Ji Eun) ; 이상민(Lee, Sang Min) ; 이혜정(Lee, Hye Jeong) ; 최규옥(Choe, Kyu Ok) ; 최병욱(Choi, Byoung Wook) ; 허진(Hur, Jin) ; 홍유진(Hong, Yoo Jin)
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