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Abstract #4504

Evaluation of PET and MR datasets in integrated 18F-FDG PET/MRI: a comparison of different MR sequences for whole-body restaging of breast cancer patients.

Johannes Grueneisen1, Axel Wetter, Julian Kirchner, Sonja Kinner, Verena Ruhlmann, Michael Forsting, and Lale Umutlu

1Diagnostic and Interventional Radiology, University Hospital Essen, Essen, Germany

Simultaneous PET/MR imaging has been successfully implemented for whole-body staging of numerous tumor entities within the last four years. However, to date, the introduced study protocols were acquainted with prolonged examination times, potentially impeding patient comfort and patient compliance. The present results demonstrate the high diagnostic capability of integrated PET/MR imaging for staging patients with suspected breast cancer recurrence. Furthermore, facing the need for an optimization of dedicated MR study protocols for whole-body PET/MR imaging on oncological purposes, the present data support the application of fast, yet morphologically adequate PET/MR protocols, leaving the application of contrast-agent and DWI debatable.

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