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European Radiology
Published in: European Radiology 2/2011

01-02-2011 | Chest

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

Authors: Ga Ram Kim, Jin Hur, Sang Min Lee, Hye-Jeong Lee, Yoo Jin Hong, Ji Eun Nam, Hua Sun Kim, Young Jin Kim, Byoung Wook Choi, Tae Hoon Kim, Kyu Ok Choe

Published in: European Radiology | Issue 2/2011

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Abstract

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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Metadata
Title
CT fluoroscopy-guided lung biopsy versus conventional CT-guided lung biopsy: a prospective controlled study to assess radiation doses and diagnostic performance
Authors
Ga Ram Kim
Jin Hur
Sang Min Lee
Hye-Jeong Lee
Yoo Jin Hong
Ji Eun Nam
Hua Sun Kim
Young Jin Kim
Byoung Wook Choi
Tae Hoon Kim
Kyu Ok Choe
Publication date
01-02-2011
Publisher
Springer-Verlag
Published in
European Radiology / Issue 2/2011
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-010-1936-y

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