Quick-check Computed Tomography Versus Traditional Multi-slice Computed Tomography–guided Lung Biopsies: Comparison on Radiation Dose, Accuracy, Procedure Time, and Complications
EKC Law, SSM Wong, CM Chu
Hong Kong J Radiol 2018;21:255-61
DOI: 10.12809/hkjr1816899
Objective: To compare the diagnostic accuracy, complications, duration, and radiation dose of a quick-check computed tomography (CT)–guided percutaneous lung biopsy with the traditional multi-slice CT (MSCT)-guided method.
Methods: This was a retrospective study of 157 consecutive patients undergoing either a quick-check CT-guided or traditional MSCT-guided lung biopsy. The radiation dose (volume CT dose index and dose–length product), procedural time, technical success, and complications were compared
Results: Quick-check CT-guided biopsy had a shorter procedural time (5 min vs. 12 min) without a significant difference in diagnostic yield (88% vs. 90%) or complication rate (post-procedural pulmonary haemorrhage or pneumothorax) when compared with traditional MSCT-guided biopsy. Quick-check CT biopsy also showed a reduced dose–length product (26 ± 12 mGy⋅cm vs. 178 ± 109 mGy⋅cm) across various lesion sizes and depths from pleura.
Conclusion: Quick-check CT-guided biopsy afforded a shorter procedural time and a reduction in dose–length product compared with the traditional MSCT-guided biopsy. Such reduced radiation dose was likely due to the reduced scanned length of the target lesion. Quick-check CT did not negatively impact patient safety or diagnostic yield in pulmonary lesion biopsies. Quick-check CT is a potentially viable option for CT-guided biopsy that can lower radiation dose and shorten procedural time.
Author affiliation(s):
EKC Law, SSM Wong, CM Chu: Department of Imaging and Interventional Radiology, Prince of Wales Hospital, Shatin, Hong Kong
中文摘要
快檢電腦斷層和傳統多層電腦斷層引導肺活檢：輻射劑量、準確性、手術時間和併發症的比較
羅嘉齊、王先民、朱卓文
目的：比較快檢電腦斷層（CT）引導與傳統多層電腦斷層（MSCT）引導進行經皮肺活檢的診斷準確性、併發症、持續時間和輻射劑量。
方法：對連續157名接受快檢CT或MSCT引導下肺活檢的患者進行回顧研究，以比較兩者的輻射劑量（電腦斷層劑量指數和劑量長度乘積）、手術時間、技術成功率和併發症。
結果：與傳統MSCT引導比較，快檢CT引導的活檢手術時間較短（5分鐘比12分鐘）；診斷率（88%比90%）或併發症率（術後肺出血或氣胸）則無顯著差異。與傳統MSCT引導相比，快檢CT在不同大小和胸膜深度的病變時達到劑量長度乘積均減少（26 ± 12 mGy⋅cm比178 ± 109 mGy⋅cm）。
結論：與傳統MSCT引導活檢相比，快檢CT引導活檢可縮短手術時間和減少劑量長度乘積。輻射劑量減少或因靶病變的掃描長度減少。快檢CT肺病變活檢對於患者安全性或診斷價值沒有負面影響。快檢CT是CT引導活檢的潛在可行選擇，可減低輻射劑量並縮短手術時間。