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首页> 外文期刊>Sao Paulo Medical Journal >Computed tomography guided needle biopsy: experience from 1,300 procedures
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Computed tomography guided needle biopsy: experience from 1,300 procedures

机译：计算机断层扫描引导下的穿刺活检：1300例手术的经验

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CONTEXT AND OBJECTIVE: Computed tomography (CT) guided biopsy is widely accepted as effective and safe for diagnosis in many settings. Accuracy depends on target organ and needle type. Cutting needles present advantages over fine needles. This study presents experience from CT guided biopsies performed at an oncology center. DESIGN AND SETTING: Retrospective study at Hospital do Cancer A. C. Camargo, S?o Paulo. METHODS: 1,300 consecutive CT guided biopsies performed between July 1994 and February 2000 were analyzed. Nodules or masses were suspected as primary malignancy in 845 cases (65%) or metastatic lesion in 455 (35%). 628 lesions were thoracic, 281 abdominal, 208 retroperitoneal, 134 musculoskeletal and 49 headeck. All biopsies were performed by one radiologist or under his supervision: 765 (59%) with 22-gauge fine-needle/aspiration technique and 535 (41%) with automated 16 or 18-gauge cutting-needle biopsy. RESULTS: Adequate samples were obtained in 70-92% of fine-needle and 93-100% of cutting-needle biopsies. The specific diagnosis rates were 54-67% for fine-needle and 82-100% for cutting-needle biopsies, according to biopsy site. For any site, sample adequacy and specific diagnosis rate were always better for cutting-needle biopsy. Among 530 lung biopsies, there were 84 pneumothorax (16%) and two hemothorax (0.3%) cases, with thoracic drainage in 24 (4.9%). Among abdominal and retroperitoneal biopsies, there were two cases of major bleeding and one of peritonitis. CONCLUSION: Both types of needle showed satisfactory results, but cutting-needle biopsy should be used when specific diagnosis is desired without greater incidence of complications.
机译：背景与目的：计算机断层扫描（CT）引导的活检在许多情况下被认为是有效且安全的诊断方法。准确性取决于目标器官和针头类型。切割针具有优于细针的优点。这项研究介绍了在肿瘤学中心进行的CT引导活检的经验。设计与地点：在圣保罗医院的癌症A. C. Camargo医院进行的回顾性研究。方法：分析了1994年7月至2000年2月进行的1300例连续CT引导下的活检。结节或肿块被怀疑为原发恶性肿瘤845例（65％）或转移性病变455例（35％）。胸部有628个病灶，腹部有281个病灶，腹膜后有208个病灶，肌肉骨骼有134个病灶，头/颈有49个病灶。所有活检均由一名放射科医生或在其监督下进行：765（59％）采用22号细针/抽吸技术，而535（41％）采用16或18号自动切割针活检。结果：在70-92％的细针活检和93-100％的切针活检中获得了足够的样本。根据活检部位，细针的具体诊断率为54-67％，切针活检的诊断率为82-100％。对于任何部位，切针活检的样本充分性和特异性诊断率始终更好。在530例肺活检中，有84例气胸（16％）和2例血胸（0.3％），胸腔引流24例（4.9％）。在腹部和腹膜后活检中，有2例严重出血，1例为腹膜炎。结论：两种类型的针均显示满意的结果，但是当需要特定的诊断且并发症的发生率不高时，应使用切针活检。

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