数字血管造影图像与传统X线片在肺穿刺活检后气胸检测中的比较。
Comparison of digital angiographic images with conventional radiographs for detection of pneumothorax after needle biopsy of lung.
作者信息
Partrick M E, Burbridge B E, Walker D R
机构信息
Department of Medical Imaging, Royal University Hospital, Saskatoon, Sask, Canada.
出版信息
Can Assoc Radiol J. 1998 Jun;49(3):193-6.
OBJECTIVE
To compare the rate of detection of pneumothoraces from images obtained from a digital angiographic system (1024 x 1024 matrix) and from conventional film-screen chest radiographs, following fine-needle biopsy of the lung.
PATIENTS AND METHOD
For 102 patients who underwent fine-needle biopsy, 2 digital fluoroscopic chest images and 1 film-screen chest radiograph were obtained during expiration after the biopsy. The images were interpreted by 4 blinded readers.
RESULTS
There were 30 pneumothoraces, of which 96.6% were detected from standard chest radiographs and 54.2% were detected from digital images.
CONCLUSIONS
The detection of pneumothorax from digital images was far inferior to that from standard film-screen chest radiographs. Therefore, standard chest radiographs are recommended after fine-needle biopsy of the lung.
目的
比较在肺细针穿刺活检后，从数字血管造影系统（1024×1024矩阵）获取的图像与传统胸片上气胸的检出率。
患者与方法
对102例行细针穿刺活检的患者，在活检后呼气时获取2张数字荧光透视胸部图像和1张胸片。图像由4名不知情的阅片者解读。
结果
共发现30例气胸，其中96.6%在标准胸片上被检出，54.2%在数字图像上被检出。
结论
数字图像上气胸的检出率远低于标准胸片。因此，建议在肺细针穿刺活检后进行标准胸片检查。
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