Influence of Off-Centre Positioning, Scan Direction, and Localiser Projection Angle on Organ-Specific Radiation Doses in Low-Dose Chest CT: A Simulation Study Across Four Scanner Models.

J Imaging · 2026 · PMC13028044 · PMID 41892925

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highly significantno p-value reported

In our study, we also observed that only a few centimetres of off-centring, such as the reported 1.96 cm [ 43 ], can cause highly significant variations in organ doses.

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a decreasing trendno p-value reported

One study observed an overcompensation in radiation output with a decreasing trend in dose measurements for increasing table heights [ 32 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.