[CT-guided punctures: fine-needle biopsy vs. automated co-axial cutting biopsy].

Aktuelle Radiologie Pub Date : 1998-11-01
H J Skamel, A Hanusch, K Mathias
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Abstract

Purpose: Comparison between fine needle aspiration (FNAB) and automated coaxial core biopsy (ACCB) of CT-guided thoracal and abdominal biopsies.

Method: 98 patients had CT-guided biopsies of the liver (n = 26), lung (n = 36), pancreas (n = 8), presacral space (n = 16), retroperitoneum (n = 8), groin (n = 1) and mediastinum (n = 3). In 50 patients fine needle aspiration, in 48 patients ACCB was performed. Nine physicians, two of them with advanced experience, performed the procedure.

Results: Histologically satisfying material was achieved in 76% of the biopsies with FNAB, in 100% with ACCB. The sensitivity within the FNAB group was 59.6%, within ACCB group 97.5%. Sensitivity for the whole group was 76.7%. In pulmonary lesions the sensitivity was increased to 100% by using the ACCB method in comparison to FNAB (58%), in liver lesions from 75% (FNAB) to 92% (ACCB). 19 of 20 false negative specimens were obtained with FNAB. The less experienced physicians had a false negative rate of 43% with FNA biopsies, but only 2.2% with ACCB.

Conclusion: In pulmonary and abdominal lesions ACCB is a procedure with rare complications and low invasivity, which is not dependent on the performing person. ACCB has a high diagnostic accuracy and should replace FNAB.

[ct引导穿刺:细针活检与自动同轴切割活检]。
目的:比较ct引导下胸腹活检的细针穿刺(FNAB)和自动同轴核心活检(ACCB)。方法:98例患者行ct引导下肝(26例)、肺(36例)、胰腺(8例)、骶前间隙(16例)、腹膜后(8例)、腹股沟(1例)、纵隔(3例)活检。50例患者行细针穿刺,48例行ACCB。9名医生进行了手术,其中2名经验丰富。结果:FNAB活检的组织学满意率为76%,ACCB活检的组织学满意率为100%。FNAB组敏感性为59.6%,ACCB组敏感性为97.5%。全组敏感性为76.7%。与FNAB(58%)相比,使用ACCB方法对肺部病变的敏感性提高到100%,对肝脏病变的敏感性从75% (FNAB)提高到92% (ACCB)。20例假阴性标本中,FNAB检出19例。经验不足的医生FNA活检的假阴性率为43%,而ACCB活检的假阴性率仅为2.2%。结论:对于肺部和腹部病变,ACCB是一种并发症少、侵入性低的手术,不依赖于手术者。ACCB诊断准确率高,宜替代FNAB。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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