Can scatter correction software replace a grid in DR pelvic examinations?

Summary, in English

The purpose was to examine if scatter correction software could replace a grid while maintaining image quality and reducing radiation dose for pelvic DR examinations. Grid images was produced with 70 kV and 16mAs. Anthropomorphic- and Contrast Detail RADiography (CDRAD) non-grid images were produced with 60 kV, 80 kV and 90 kV combined with five different mAs and scatter correction software. The anthropomorphic images were analyzed by absolute Visual Grading Analysis (VGA). The CDRAD images were analyzed using the CDRAD analysis software. The results showed a total of 54.6% non-grid images were evaluated as unsuitable for diagnostic use by the VGA. The CDRAD grid images showed that the IQF_inv values were significantly different (p = 0.0001) when compared to every group of non-grid images. Hereby, the conclusion stated that the scatter correction software did not compensate for the loss in image quality due to scattered radiation at the exposure levels included in a pelvic examination.

• Author: Helle Precht; Svea Deppe Mørup; Anders Tingberg; Claus Bjørn Outzen; Kirsten Weber Kusk; Rita Møller Nielsen; Marie Midtgård; Martin Brændegaard Winther; Dag Waaler; Martin Weber Kusk
• Department/s: Medical Radiation Physics, Lund
• Publishing year: 2019
• Language: English
• Pages: 8-16
• Publication/Series: Radiation Protection Dosimetry
• Volume: 187
• Issue: 1
• Links: http://dx.doi.org/10.1093/rpd/ncz129
• Document type: Journal article
• Publisher: Oxford University Press
• Topic: Radiology, Nuclear Medicine and Medical Imaging
• Keywords: Digital radiography; image quality; pelvic; Radiation dose; Scatter correction software
• Status: Published
• ISBN/ISSN/Other: ISSN: 1742-3406