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Abstract #3422

Quantitative Assessment of Metal Artefact Reduction Sequence Used In Imaging in Patients with Orthopaedic Total Hip Replacement Implants

Simon Shah1, Danoob Dalili2, Jan Fritz 3, Geoff Charles-Edwards1, and Amanda Isaac1
1Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom, 2King's College London, London, United Kingdom, 3Johns Hopkins University, Baltimore, MD, United States

Musculoskeletal (MSK) imaging of patients with hip implants can be challenging due to metal artefacts. We have quantitatively assessed a number of metal artefact reduction sequences (MARS) on commonly implanted hip implants. The MARS methods used were: high receiver bandwidth, high transmit bandwidth, view angle titling (VAT) and slice encoded metal artefact correction (SEMAC). Signal pile-up and voids were most reduced across implants when SEMAC was employed and also artefacts at the bone metal interface were reduced.

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