Abstract:
OBJECTIVE:Endobronchial ultrasound-guided transbronchial needle aspiration is widely used for mediastinal and hilar lesions. Histologic specimens from this procedure are important for specific diagnosis and targeted therapy. Studies on the traditional endobronchial ultrasound-guided transbronchial needle aspiration needles reported yields of only 50-60% for diagnostic histologic specimens. Recently, a new needle has become available in Europe, USA and Asia. The investigators aimed to evaluate the histologic specimen retrieval yields of the two needles. METHODS:Patients who underwent endobronchial ultrasound-guided transbronchial needle aspiration with the new 22 G needle (M group, n = 94) were compared with a historical control group who underwent endobronchial ultrasound-guided transbronchial needle aspiration with the traditional 22 G needle (O group, n = 82). The quality of needle aspirates from both groups was evaluated. RESULTS:There were no significant differences between the two groups in terms of demographics, lesion characteristics, primary disease and examiner experience. The M group had a significantly shorter procedure time than the O group (P = 0.049). Of the 214 punctures by the M group, 159 (74.3%) were diagnostic, 28 (13.1%) were non-diagnostic and 27 (12.6%) had no histologic specimen. The 235 punctures by the O group were diagnostic in 144 (61.3%), non-diagnostic in 60 (25.5%) and had no histologic specimen in 31 (13.2%). The yield for diagnostic histologic specimens of the M group was significantly higher than the O group (P = 0.0035). There were no major complications observed. CONCLUSIONS:The yield for diagnostic histologic specimens by the new 22 G endobronchial ultrasound-guided transbronchial needle aspiration needle was high. Further technical improvements of histologic sampling yields are very important when selecting targeted therapy.
journal_name
Jpn J Clin Oncoljournal_title
Japanese journal of clinical oncologyauthors
Izumo T,Sasada S,Watanabe J,Chavez C,Matsumoto Y,Tsuchida Tdoi
10.1093/jjco/hyu095subject
Has Abstractpub_date
2014-09-01 00:00:00pages
841-5issue
9eissn
0368-2811issn
1465-3621pii
hyu095journal_volume
44pub_type
杂志文章abstract:OBJECTIVE:Limited by sample size, angiosarcoma was rarely studied. We aimed to investigate the characteristics and prognosis of angiosarcoma in the National Cancer Institute's Surveillance, Epidemiology and End Results database. METHODS:Patients who were diagnosed with primary angiosarcoma from 1973 to 2014 were extra...
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