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• Fine focal spot improves organ margin clarity. • Fine focal spot improves lesion margin clarity. • Fine focal spot can be used in routine CT abdominal imaging.

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Mean scores for job satisfaction and mental and physical iUl health of preregistration house officers and senior house officers according to their system ofwork On call Partial Full rota shift shift (OCR) (PS) (FS) F ratio P value Difference* Preregistraion house officers n=178-9 n=4-6 n=7 Job satisfaction 72-06 56-75 75-57 3-08 < 0-05 Mental ill health 61-38 67-83 59-14 0-69 NS Physical ill health 33-73 43-67 29-009 3-16 < 0-05 PS > FS Senior house officers n=226-7 n=18 n=42-3 Jobsatisfaction 78-13 88-17 84-17 4 53 <0 05 PS>OCR Mentalillhealth

Metal within the CT field of view causes artefact that degrades the diagnostic quality of the processed images. This is related to the high atomic number of most metals and is due to a combination of beam hardening, scatter, edge effects and photon starvation. Both software and hardware metal artefact reduction (MAR) techniques have been developed. Iterative reconstruction software MAR techniques can be applied on raw CT data sets and show improved image quality in the setting of sparse projection data when compared with filtered back-projection methods. Recently, a novel singleenergy iterative metal artefact reduction technique (IMART) was released for use with large orthopaedic devices. The aim of this pictorial essay was to demonstrate the usefulness of IMART in the setting of both orthopaedic and nonorthopaedic metallic objects and devices.