ArticleTechnology in cancer research & treatment
A Comparative Study of Computed Tomography-Guided Steerable Needle and Freehand Biopsy for Diagnosing Small Pulmonary Nodules: Accuracy and Complications for Greater Clarity and Precision.
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Abstract
IntroductionThis study aimed to retrospectively evaluate and compare the accuracy, complication rate, and feasibility of computed tomography (CT)-guided introducer-assisted percutaneous lung biopsy with those of freehand percutaneous lung biopsy for the diagnosis of pulmonary nodules ≤ 2 cm.MethodsWe retrospectively analysed clinical data of 307 patients with pulmonary nodules ≤ 2 cm who underwent percutaneous lung biopsy between January 2015 and August 2024. The patients were divided into two groups: A, 153 patients undergoing freehand puncture, and B, 154 patients in whom the procedure was assisted by a guidance device. A statistical analysis was performed to assess the success rate, diagnostic accuracy, and complication rate of the two techniques and to evaluate the feasibility of using a guide device-assisted puncture biopsy for small pulmonary nodules.ResultsAll 307 patients successfully completed the percutaneous biopsy procedure (100% technical success rate). Diagnostic accuracy was 95.4% and 96.8% in Groups A and B, respectively (
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