Recent developments and perspectives of endobronchial ultrasound in thoracic tumor
支气管内超声(endobronchial ultrasound, EBUS)技术于1992年首次应用于临床[1]。随着超声及相关技术的进步,EBUS仪器性能日臻完善,操作技术日渐成熟,逐步建立了气道和纵隔的超声声像图谱,使支气管镜的检查范围从管腔内扩展到了管腔外,明显提高了支气管镜检查的效率,因而在呼吸系统疾病中的应用越来越广泛,迄今已成为胸部肿瘤诊断和治疗中最有前景的微创技术之一。 微型超声探头是EBUS最主要的组成部分。探头外带水囊使探头能更好地接触气道粘膜,获得更清晰的超声图像。根据超声探头的不同,将EBUS分为两种类型。一种为早期的EBUS,带直径2 mm的径向探头(radial pr...
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          | Published in | Zhongguo fei ai za zhi Vol. 13; no. 5; pp. 393 - 395 | 
|---|---|
| Main Authors | , | 
| Format | Journal Article | 
| Language | Chinese | 
| Published | 
        China
          Chinese Anti-Cancer Association Chinese Antituberculosis Association
    
        01.05.2010
     Chinese Anti-Cancer Association; Chinese Antituberculosis Association  | 
| Subjects | |
| Online Access | Get full text | 
| ISSN | 1009-3419 1999-6187  | 
| DOI | 10.3779/j.issn.1009-3419.2010.05.02 | 
Cover
| Abstract | 支气管内超声(endobronchial ultrasound, EBUS)技术于1992年首次应用于临床[1]。随着超声及相关技术的进步,EBUS仪器性能日臻完善,操作技术日渐成熟,逐步建立了气道和纵隔的超声声像图谱,使支气管镜的检查范围从管腔内扩展到了管腔外,明显提高了支气管镜检查的效率,因而在呼吸系统疾病中的应用越来越广泛,迄今已成为胸部肿瘤诊断和治疗中最有前景的微创技术之一。 微型超声探头是EBUS最主要的组成部分。探头外带水囊使探头能更好地接触气道粘膜,获得更清晰的超声图像。根据超声探头的不同,将EBUS分为两种类型。一种为早期的EBUS,带直径2 mm的径向探头(radial probe, RP),分辨率为0.1 mm,可通过活检通道进入气道内进行360°成像扫描,可清楚地显示气道壁及其周围组织的细微结构,可显示深达5 cm的肺门及纵隔淋巴结,主要用于检查肺外周(亚段以下支气管)病变、判断肿瘤浸润管壁的深度、鉴别气道壁内病变的良恶性,但该探头不能进行实时监控下病灶活检。另一种EBUS为近年开发的凸面探头(convex probe, CP),该探头和镜体远端融合,顶端外径6.9 mm,扫描范围50°,可在超声实时引导下进行病灶活检,超声图像可以定格,可测量病灶的平面大小,获得支气管镜图像,该系统还有多普勒模式,可观察病灶的血供及其周围血管情况,该技术是近年来肺癌诊断和分期方法中最重要的进展之一,主要用于大气道壁及其周围组织病灶的观察和活检[2,3]。 1 EBUS引导下经支气管针吸活检(EBUS transbronchial needle aspiratory, EBUS-TBNA) 一般情况下,只要超声支气管镜能够到达并能清楚显示的病灶,均可进行EBUS-TBNA。 纵隔镜是纵隔淋巴结检查的“金标准”,但其需在全身麻醉下进行,创伤大、风险高、费用贵,重复进行纵隔淋巴结活检几乎不可能。常规TBNA操作简单、创伤小、费用低,但多属于“盲穿”,不同研究[4]显示诊断准确率差异很大(20%-89%),其原因可能与淋巴结的大小、位置、操作者的熟练程度有关,而EBUS-TBNA不仅具有操作简单、微创等优势,而且定位更加精确,可以发现直径为2 mm-3 mm的淋巴结,显著提高了穿刺的准确性和安全性,其穿刺成功率不受淋巴结大小、位置的影响,可用于治疗后复查。Herth等[5,6]报道EBUS-TBNA判断肺癌纵隔淋巴 | 
    
|---|---|
| AbstractList | 支气管内超声(endobronchial ultrasound, EBUS)技术于1992年首次应用于临床[1]。随着超声及相关技术的进步,EBUS仪器性能日臻完善,操作技术日渐成熟,逐步建立了气道和纵隔的超声声像图谱,使支气管镜的检查范围从管腔内扩展到了管腔外,明显提高了支气管镜检查的效率,因而在呼吸系统疾病中的应用越来越广泛,迄今已成为胸部肿瘤诊断和治疗中最有前景的微创技术之一。 微型超声探头是EBUS最主要的组成部分。探头外带水囊使探头能更好地接触气道粘膜,获得更清晰的超声图像。根据超声探头的不同,将EBUS分为两种类型。一种为早期的EBUS,带直径2 mm的径向探头(radial probe, RP),分辨率为0.1 mm,可通过活检通道进入气道内进行360°成像扫描,可清楚地显示气道壁及其周围组织的细微结构,可显示深达5 cm的肺门及纵隔淋巴结,主要用于检查肺外周(亚段以下支气管)病变、判断肿瘤浸润管壁的深度、鉴别气道壁内病变的良恶性,但该探头不能进行实时监控下病灶活检。另一种EBUS为近年开发的凸面探头(convex probe, CP),该探头和镜体远端融合,顶端外径6.9 mm,扫描范围50°,可在超声实时引导下进行病灶活检,超声图像可以定格,可测量病灶的平面大小,获得支气管镜图像,该系统还有多普勒模式,可观察病灶的血供及其周围血管情况,该技术是近年来肺癌诊断和分期方法中最重要的进展之一,主要用于大气道壁及其周围组织病灶的观察和活检[2,3]。 1 EBUS引导下经支气管针吸活检(EBUS transbronchial needle aspiratory, EBUS-TBNA) 一般情况下,只要超声支气管镜能够到达并能清楚显示的病灶,均可进行EBUS-TBNA。 纵隔镜是纵隔淋巴结检查的“金标准”,但其需在全身麻醉下进行,创伤大、风险高、费用贵,重复进行纵隔淋巴结活检几乎不可能。常规TBNA操作简单、创伤小、费用低,但多属于“盲穿”,不同研究[4]显示诊断准确率差异很大(20%-89%),其原因可能与淋巴结的大小、位置、操作者的熟练程度有关,而EBUS-TBNA不仅具有操作简单、微创等优势,而且定位更加精确,可以发现直径为2 mm-3 mm的淋巴结,显著提高了穿刺的准确性和安全性,其穿刺成功率不受淋巴结大小、位置的影响,可用于治疗后复查。Herth等[5,6]报道EBUS-TBNA判断肺癌纵隔淋巴 | 
    
| Author | Yang, Shuanying Bu, Lina  | 
    
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| SubjectTerms | Biopsy Biopsy, Fine-Needle Bronchi - diagnostic imaging Bronchi - pathology Endosonography - adverse effects Endosonography - methods Humans Lung cancer Lung neoplasms Lymphatic system Thoracic Neoplasms - diagnostic imaging Tomography Ultrasonic imaging  | 
    
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| Title | Recent developments and perspectives of endobronchial ultrasound in thoracic tumor | 
    
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