The voice of medical imaging and clinical oncology

Artefacts and diagnostic pitfalls in PETMRI

Andrew Mallia Gary Cook James Stirling Jane Mackewn PETMR Radhouene Neji Sami Jeljeli Vicky Goh

PETMRI has recently been introduced into clinical practice. It maximises diagnostic information by unifying the excellent anatomical morphological and functional information available from MRI and the molecular and metabolic information from PET.

PETMRI is currently one of the most active areas of research in diagnostic imaging, and areas where this modality can bring potential benefits in clinical practice are being investigated. This review briefly describes the design of PETMRI scanners, including attenuation correction (AC) methods that are essential for PET data accuracy, and addresses some of the most common artefacts and pitfalls encountered with PETMRI.

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