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Comparative Study
Comparison of digital angiographic images with conventional radiographs for detection of pneumothorax after needle biopsy of lung.
- M E Partrick, B E Burbridge, and D R Walker.
- Department of Medical Imaging, Royal University Hospital, Saskatoon, Sask, Canada.
- Can Assoc Radiol J. 1998 Jun 1;49(3):193-6.
ObjectiveTo 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 MethodFor 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.ResultsThere were 30 pneumothoraces, of which 96.6% were detected from standard chest radiographs and 54.2% were detected from digital images.ConclusionsThe 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.
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