Benaissa Azzedine1, Moussa-Bouharati Kahina2, Papathanassiou Dimitri2, Portefaix Christophe3, Delmer Alain4, Marcus Claude3. 1. Pôle d'imagerie, Hôpital Robert Debré, Service de radiologie, CHU de Reims. Electronic address: azben91@yahoo.fr. 2. Service de médecine nucléaire, Institut Jean Godinot, CHU de Reims. 3. Pôle d'imagerie, Hôpital Robert Debré, Service de radiologie, CHU de Reims. 4. Service d'hématologie, Hôpital Robert Debré, CHU de Reims.
Abstract
OBJECTIVE: To compare 3T and 1.5T Whole Body Diffusion Weighted MRI (WB-DW-MRI) in patients at initial diagnosis of lymphoma. METHODS: Twenty-three patients were included. We performed a 3.0T and 1.5T WB-DW-MRI with 18 F-Fluoride Positron Emission Tomography Computed Tomography (PET-CT) as the reference standard. Image quality, lymph node, organ involvement, and Ann Arbor staging were evaluated. RESULTS: Major artifacts were found in 2/23 patients at 3.0T. Concordance was excellent between 1.5T and 3T for nodal (Intraclass Correlation Coefficient (CCI)=0.995), organ involvement (CCI=0.990), and Ann Arbor stages (k=0.967). CONCLUSION: A 3T WB-DW-MRI yields accurate assessment and staging of lymphoma comparable to 1.5T. Published by Elsevier Inc.
OBJECTIVE: To compare 3T and 1.5T Whole Body Diffusion Weighted MRI (WB-DW-MRI) in patients at initial diagnosis of lymphoma. METHODS: Twenty-three patients were included. We performed a 3.0T and 1.5T WB-DW-MRI with 18 F-Fluoride Positron Emission Tomography Computed Tomography (PET-CT) as the reference standard. Image quality, lymph node, organ involvement, and Ann Arbor staging were evaluated. RESULTS: Major artifacts were found in 2/23 patients at 3.0T. Concordance was excellent between 1.5T and 3T for nodal (Intraclass Correlation Coefficient (CCI)=0.995), organ involvement (CCI=0.990), and Ann Arbor stages (k=0.967). CONCLUSION:A 3T WB-DW-MRI yields accurate assessment and staging of lymphoma comparable to 1.5T. Published by Elsevier Inc.
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