The British journal of radiology
-
To compare the effect of implanted medical materials on (18)F-fludeoxyglucose ((18)F-FDG) positron emission tomography (PET)/MRI using a Dixon-based segmentation method for MRI-based attenuation correction (MRAC), PET/CT and CT-based attenuation-corrected PET (PETCTAC). ⋯ Being aware of the morphology of artefacts owing to implanted medical materials avoids interpretation errors when reading PET/MRI.
-
To establish whether T2 relaxation and apparent diffusion coefficient (ADC) in normal prostate and tumour are related and to investigate the effects of glandular compression from an enlarged transition zone (TZ) on peripheral zone (PZ) T2 and ADC by correlating them with the peripheral zone fractional volume (PZFV). ⋯ Microstructural features of tumours alter diffusivity independently of their effects on T2 relaxation.
-
To determine the type and nature of incidents occurring within medical imaging settings in Australia and identify strategies that could be engaged to reduce the risk of their re-occurrence. ⋯ Handover and communication errors are prevalent in medical imaging. System-wide changes that facilitate effective communication are required.
-
To compare image quality and radiation dose of abdominal CT examinations reconstructed with three image reconstruction techniques. ⋯ CT images reconstructed with FBP are frequently noisy on lowering the radiation dose. Newer iterative reconstruction techniques have different approaches to produce images with less noise; ASiR and IRIS provide diagnostic abdominal CT images with reduced image noise and radiation dose compared with FBP. This has been documented in this study.
-
Comparative Study
Dose reduction in oncological staging multidetector CT: effect of iterative reconstruction.
To compare radiation exposure and image quality of oncological staging multidetector CT (MDCT) examinations of the chest, abdomen and pelvis with and without iterative reconstruction (IR). ⋯ The algorithm tested in the present scientific study allows a >45% dose reduction at maintained image quality.