Molecular Imaging 2017

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Nodal Assessment: Additional Benefit of Diffusion-Weighted MRI ?

DWI improves nodal detection +  T2 vs DW-MRI 0, 500,1000  101 / 222 nodes on T2; median 4mm: 27 N+  157/222 (71%) on DWI; median 3mm: 37 N+  Fusion of T2 & high DWI improves nodal identification*  47 additional nodes identified  114 (T2) vs 161 (fused) nodes  Qualitative signal intensity not different between normal & metastatic nodes

Lambregts DM et al. Eur Radiol 2011; 21 (2): 256-73; Mir et al. J Med Imaging Radiat Oncol 2010; 54:358-64*