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. 2017 Mar-Apr;23(2):137-143.
doi: 10.5152/dir.2016.16173.

Diagnostic accuracy and safety of CT-guided fine needle aspiration biopsy of pulmonary lesions with non-coaxial technique: a single center experience with 442 biopsies

Çağlar Uzun  1 , Zehra Akkaya, Ebru Düşünceli Atman, Evren Üstüner, Elif Peker, Başak Gülpınar, Atilla Halil Elhan, Koray Ceyhan, Kayhan Çetin Atasoy
Affiliations

Diagnostic accuracy and safety of CT-guided fine needle aspiration biopsy of pulmonary lesions with non-coaxial technique: a single center experience with 442 biopsies

Çağlar Uzun et al. Diagn Interv Radiol. 2017 Mar-Apr.

Abstract

Purpose: We aimed to evaluate the diagnostic accuracy and safety of computed tomography (CT)-guided biopsy of pulmonary lesions with fine needle aspiration (FNA) using non-coaxial technique.

Methods: We analyzed 442 patients who underwent CT-guided lung biopsy with FNA and non-coaxial technique to determine the diagnostic outcomes, complication rates, and independent risk factors for diagnostic failure and pneumothorax.

Results: Diagnostic accuracy, sensitivity, and specificity were 97.6%, 97.3%, and 100%, respectively. Age and >35 mm lesion size were significant risk factors for diagnostic failure. The rates of pneumothorax and chest tube placement were 19% and 2.9%, respectively. Middle and lower lobe location, lesion to pleura distance >7.5 mm, and >45° needle trajectory angle were significant risk factors for pneumothorax.

Conclusion: CT-guided FNA of pulmonary lesions with non-coaxial technique is a safe and reliable method with a relatively low pneumothorax rate and an acceptably high diagnostic accuracy.

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Conflict of interest statement

Conflict of interest disclosure

The authors declared no conflicts of interest.

Figures

Figure. a, b
Figure. a, b
Axial CT image (a) shows the needle penetrating pulmonary lesion. Axial CT image (b) shows the measurement of needle trajectory angle. Line A was drawn tangential to the pleura at the point of needle puncture. Line B was drawn perpendicular to line A. Needle trajectory angle was determined by the angle between the needle route and the line B.
See this image and copyright information in PMC

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