Comparison of image quality and radiation dose between an image-intensifier system and a newer-generation flat-panel detector system: technical phantom measurements and evaluation of clinical imaging in children
Background: Many image-intensifier fluoroscopy systems have been replaced by flat-panel detectors in recent years. Objective: To compare the level of contrast, image resolution and radiation dose between an image-intensifier and a newer-generation flat-panel detector system in a pediatric radiology...
Gespeichert in:
| Hauptverfasser: | , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2016
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| In: |
Pediatric radiology
Year: 2015, Jahrgang: 46, Heft: 2, Pages: 286-292 |
| ISSN: | 1432-1998 |
| DOI: | 10.1007/s00247-015-3456-z |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1007/s00247-015-3456-z Verlag, Volltext: https://doi.org/10.1007/s00247-015-3456-z 
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| Verfasserangaben: | Meike Weis, Claudia Hagelstein, Theo Diehm, Stefan O. Schoenberg, K. Wolfgang Neff |
MARC
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| 245 | 1 | 0 | |a Comparison of image quality and radiation dose between an image-intensifier system and a newer-generation flat-panel detector system |b technical phantom measurements and evaluation of clinical imaging in children |c Meike Weis, Claudia Hagelstein, Theo Diehm, Stefan O. Schoenberg, K. Wolfgang Neff |
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| 520 | |a Background: Many image-intensifier fluoroscopy systems have been replaced by flat-panel detectors in recent years. Objective: To compare the level of contrast, image resolution and radiation dose between an image-intensifier and a newer-generation flat-panel detector system in a pediatric radiology unit. Materials and methods: We compared two systems - a conventional image intensifier and a newer-generation flat-panel system. We measured image quality and radiation dose using a technical phantom. Additionally, we retrospectively compared age-matched fluoroscopic pediatric voiding cystourethrography (n = 15) and upper gastrointestinal investigations (n = 25). Results: In phantom studies image contrast was equal while image resolution was higher and mean radiation dose lower using the flat-panel system (P < 0.0001). In pediatric investigations, mean dose area product was significantly reduced on the flat-panel system for upper gastrointestinal investigation (45 ± 38 μGy*m2 vs. 11 ± 9 μGy*m2; P < 0.0001) and for voiding cystourethrography (18 ± 20 μGy*m2 vs. 10 ± 12 μGy*m2; P = 0.04). Conclusion: The newer flat-panel system performs at lower dose levels with equal to better image quality and therefore seems to be the more suitable technique for pediatric fluoroscopy in comparison to image-intensifier systems. | ||
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| 650 | 4 | |a Pediatric fluoroscopy | |
| 650 | 4 | |a Radiation protection | |
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| 700 | 1 | |a Neff, Wolfgang |e VerfasserIn |0 (DE-588)1026440521 |0 (DE-627)726733539 |0 (DE-576)371782465 |4 aut | |
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