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Neonatal chest and abdominal radiation dosimetry: a comparison of two radiographic techniques

¹Directorate of Clinical Imaging, Royal Cornwall Hospitals NHS Trust (Treliske), Truro, Cornwall TR1 3LJ, ²School of Radiography, Faculty of Health and Social Care, University of the West of England, Bristol BS16 1DD and ³Department of Medical Physics and Biomedical Engineering, Plymouth Hospitals NHS Trust, Derriford Hospital, Plymouth, Devon PL6 8DH, UK

View larger version (100K): [in a new window]   Figure 1. Neonatal anthropomorphic phantom.

View larger version (38K): [in a new window]   Figure 2. Shadow shielding: (a) chest; (b) abdomen; (c) combined chest and abdomen.

View larger version (17K): [in a new window]   Figure 3. Mean entrance surface doses for chest, abdomen and combined chest and abdomen examinations. Error bars indicate ±4% error in calibration of ionization chamber. Standard deviations in parentheses.

View larger version (14K): [in a new window]   Figure 4. Dose–area product for chest, abdomen and combined chest and abdomen examinations. Error bars indicate ±4% error in calibration of ionization chamber.