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- W2149230152 abstract "Purpose: The aim was to select an optimal technique for low-dose high-resolution CT of the sacroiliac joints (SJ). Material and Methods: Dose measurements were performed on a Rando anthropomorphic phantom using thermoluminescence dosimeters for 4 CT protocols and 2 conventional radiography protocols used for SJ evaluation. Six available reconstruction algorithms were tested on CT protocols using 285–665 mAs and 120 or 130 kVp settings and noncontiguous 1.5-mm-thin sections with 3.5-mm intervals. Settings with optimum performance on phantom tests were also applied in a series of 10 patients with SJ arthropathies. Results: A CT protocol using 120 kVp/175 mA2.9 s/1.5-mm slice thicknessb-mm table increment implied the lower radiation dose among all examination protocols tested and provided high image quality of the SJ. A reconstruction algorithm yielding images of improved spatial resolution with acceptable noise was selected. Conclusion: A high spatial frequency reconstruction algorithm, and 120 kVp and 508 mAs were considered optimal for a low-dose CT examination of the SJ that employed narrow (1.5 mm) slice images with interspacing." @default.
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- W2149230152 date "1997-09-01" @default.
- W2149230152 modified "2023-09-26" @default.
- W2149230152 title "Ct of the sacroiliac joints" @default.
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- W2149230152 doi "https://doi.org/10.1080/02841859709172427" @default.
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