Simultaneous PET and MR imaging

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Published under licence by IOP Publishing Ltd
, , Citation Yiping Shao et al 1997 Phys. Med. Biol. 42 1965 DOI 10.1088/0031-9155/42/10/010

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Author affiliations

1 Crump Institute for Biological Imaging, Department of Molecular and Medical Pharmacology, 10833 Le Conte Avenue, UCLA School of Medicine, Los Angeles, CA 90095, USA

2 Department of Radiological Sciences, 10833 Le Conte Avenue, UCLA School of Medicine, Los Angeles, CA 90095, USA

3 Guy's and St Thomas' Clinical PET Centre, Division of Radiological Sciences, UMDS, London, UK

Dates

  1. Received 14 January 1997

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0031-9155/42/10/1965

Abstract

We have developed a prototype PET detector which is compatible with a clinical MRI system to provide simultaneous PET and MR imaging. This single-slice PET system consists of 48 LSO crystals in a 38 mm diameter ring configuration that can be placed inside the receiver coil of the MRI system, coupled to three multi-channel photomultipliers housed outside the main magnetic field via 4 m long and 2 mm diameter optical fibres. The PET system exhibits 2 mm spatial resolution, 41% energy resolution at 511 keV and 20 ns timing resolution. Simultaneous PET and MR phantom images were successfully acquired.

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