AI Article Synopsis
- The study compares complication rates and diagnostic accuracy of coaxial and single needle techniques for CT-guided transthoracic biopsies in 198 patients with intrathoracic lesions.
- Both methods showed no significant differences in patient characteristics or overall diagnostic performance, achieving 98% accuracy for malignant lesions.
- There was a borderline difference in pneumothorax rates after the biopsy (5% for single needle vs. 13% for coaxial), but overall, the complication rates were similar between techniques.
Article Abstract
Purpose: To evaluate the complication rates and diagnostic accuracy of two different CT-guided transthoracic cutting needle biopsy techniques: coaxial method and single needle method.
Methods: This study involved 198 consecutive subjects with 198 intrathoracic lesions. The first 98 consecutive subjects received a single needle cutting technique and the next 100 consecutive subjects received a coaxial technique. Both groups were compared in relation the diagnostic accuracy and complication rates.
Results: No significant difference was found between the two groups concerning patient characteristics, lesions and procedure variables. There was a borderline statistical difference in the incidence of pneumothorax at within 24-h post biopsy between patients in the single needle group (5%) and the coaxial group (13%) (P=0.053). Little difference was found in the pneumothorax rate at immediately post biopsy between the two groups, which was 28% in the single needle group and 31% in the coaxial group. There was no significant difference in the hemoptysis rate between the two groups, which was 9.2% in the single needle group and 11% in the coaxial group. Both techniques yielded an overall diagnostic accuracy of 98% for malignant lesions with similar sensitivity (single needle: 96.9% vs. coaxial: 96.4%) and specificity (single needle: 100% vs. coaxial: 100%).
Conclusion: There is little difference in the pneumothorax rates and bleeding complications between patients who either received a single needle or a coaxial transthoracic cutting biopsy. Both techniques produce an overall diagnostic accuracy of 98% for malignant lesions.
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| http://dx.doi.org/10.1016/j.ejrad.2011.05.032 | DOI Listing |
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