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@ARTICLE{AvdoCelik:891835,
      author       = {Avdo Celik, A. and Choi, Chang-Hoon and Tellmann, Lutz and
                      Rick, Claire and Felder, Jorg and Shah, N. J.},
      title        = {{D}esign and {C}onstruction of a {PET}-{C}ompatible
                      {D}ouble-{T}uned 1{H}/31{P} {MR} {H}ead {C}oil},
      journal      = {IEEE transactions on medical imaging},
      volume       = {40},
      number       = {8},
      issn         = {1558-254X},
      address      = {New York, NY},
      publisher    = {IEEE},
      reportid     = {FZJ-2021-01758},
      pages        = {2015 - 2022},
      year         = {2021},
      abstract     = {Simultaneous MR-PET is an increasingly popular multimodal
                      imaging technique that is able to combine metabolic
                      information obtained from PET with anatomical/functional
                      information from MRI. One of the key technological
                      challenges of the technique is the integration of a
                      PET-transparent MR coil system, a solution to which is
                      demonstrated here for a double-tuned 1 H/ 31 P head coil at
                      3 T. Two single-resonant birdcage coils tuned to the 1 H and
                      31 P resonances were arranged in an interleaved fashion and
                      electrically decoupled with the use of trap circuits. All
                      high 511 keV quanta absorbing components were arranged
                      outside the PET field-of-view in order to minimize count
                      rate reduction. The materials inside the PET field-of-view
                      were carefully evaluated and chosen for minimum impact on
                      the PET image quality. As far as possible, the coil case was
                      geometrically optimized to avoid sharp transitions in
                      attenuation, which may potentially result in streaking
                      artefacts during PET image reconstruction. The coil caused a
                      count rate loss of just above $5\%$ when inserted into the
                      PET detector ring. Except for the anterior region, which was
                      designed to maintain free openings for increased patient
                      comfort, an almost uniform distribution of 511 keV
                      attenuation was maintained around the circumference of the
                      coil. MR-related performance for both nuclei was similar or
                      slightly better than that of a commercial double-tuned coil,
                      despite the MR-PET coil having a close-fitting RF screen to
                      shield the PET and MR electronics from possible
                      electromagnetic interferences.},
      cin          = {INM-4 / JARA-BRAIN / INM-11},
      ddc          = {620},
      cid          = {I:(DE-Juel1)INM-4-20090406 / I:(DE-Juel1)VDB1046 /
                      I:(DE-Juel1)INM-11-20170113},
      pnm          = {525 - Decoding Brain Organization and Dysfunction
                      (POF4-525)},
      pid          = {G:(DE-HGF)POF4-525},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33798075},
      UT           = {WOS:000679532100006},
      doi          = {10.1109/TMI.2021.3070626},
      url          = {https://juser.fz-juelich.de/record/891835},
}