Abstract #3867
The diagnostic performance of hybrid FDG-PET/MR compared to FDG-PET/CT in adult lymphoma patients
Alexander R Guimaraes 1,2 , Wendy Atkinson 3 , Ephraim Hochberg 4 , Jeremy Abramson 5 , Onofrio Catalano 2 , Bruce R Rosen 2 , and Ciprian Catana 2
1
Radiology, Oregon Health Sciences
University, Portland, OR, United States,
2
Radiology,
Martinos Center for Biomedical imaging, Charlestown, MA,
United States,
3
Radiology, Martinos Center for
Biomedical imaging, Charlesown, MA, United States,
4
Medicine,
Massachusetts General Hospital, Boston, MA, United
States,
5
Medicine, Massachusetts General
Hospital, MA, United States
FDG-PET/CT has become an essential tool in the initial
staging of Hodgkin lymphoma and aggressive non-Hodgkin
lymphomas. In select histologies, early interim PET/CT
has also shown to be a strong independent predictor of
outcome. Hybrid PET/MR imaging is a novel imaging
modality that offers improved soft tissue contrast,
conspicuity of bone marrow infiltration, diffusion
weighted imaging, and lower radiation dose: all factors
that could have dramatic impact in the management of
lymphoma. The overarching goal of this work was to test
the hypothesis that PET/MRI offers an equivalent
qualitative and quantitative imaging staging algorithm
to PET/CT, but with decreased-risk of late
radiation-associated toxicities.
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