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- Azavedo, E, et al.
(författare)
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Imaging breasts with silicone implants
- 1999
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Ingår i: European radiology. - : Springer Science and Business Media LLC. - 0938-7994 .- 1432-1084. ; 9:2, s. 349-355
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Tidskriftsartikel (refereegranskat)
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- Ekberg, Olle, et al.
(författare)
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Radiologic evaluation of the dysphagic patient
- 1997
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Ingår i: European Radiology. - : Springer Science and Business Media LLC. - 0938-7994 .- 1432-1084. ; 7:8, s. 1285-1295
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Forskningsöversikt (refereegranskat)abstract
- Radiologic evaluation of patients with dysphagia relies on a meticulous and standardized technique. For assessment of function video recording is mandatory. A systematic approach for the description of function and dysfunction is necessary. The following describes such an approach focused on an easy and reproducible technique and a comprehensive description of radiologic events and morphology.
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- Kheddache, Susanne, 1949, et al.
(författare)
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Storage phosphor and film-screen mammography: performance with different mammographic techniques
- 1999
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Ingår i: European Radiology. - 0938-7994 .- 1432-1084. ; 9:4, s. 591-597
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to compare the image quality of storage phosphor plates with that in screen-film radiograms in mammography. Two anode/filter combinations were also compared ± Mo/ Mo and W/Rh. Storage phosphor plates, generation IIIN (Fuji, Tokyo, Japan) and a conventional screenfilm system (Kodak, Rochester, N.Y.) were evaluated using two mammographic units. One unit had a 0.6-mm focal spot, an anode/filter combination of Mo/Mo and no grid (A-Mo); the other had a 0.3-mm focal spot, a grid, and two possible combinations of anode/filter Mo/Mo (B-Mo) and W/Rh (B-W). Simulated tumours and microcalcifications were randomly positioned in an anthropomorphic breast phantom (RMI model 165, no. 210±009, Radiation Measurements Inc., Middleton, Wisconsin). The image quality was evaluated using a modified version of receiver operating characteristics analysis. Five observers evaluated 300 films and 300 hard copy images each. Radiation doses were also determined. The image Quality of the conventional screen-film images was significantly better than that for the storage phosphor plate mammograms. The B-Mo system rated best, for the detection of both tumours and microcalcifications, although it was not significantly different from the B-W system. Systems B-Mo and B-W rated significantly better than the A-Mo system for both image receptors studied. The mean absorbed dose was twice as high for the B-Mo system as for the A-Mo and B-W systems for both conventional and digital technique. The mammograms produced with the screen-film combination gave a significantly better detectability than the storage phosphor plates used in this study. Substantial dose reduction could be achieved using an anode/filter combination of W/Rh instead of Mo/Mo with no significant loss of information in the images.
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