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Representative coronal MR images of rats visualizing the sentinel lymph node (SLN) (thick arrow) at the injection side and contralateral node (thin arrow). Accumulation of tracer is clearly visible in the SLN in both a T2-weighted spin-echo (SE) pulse sequence image (A) and a gradient-echo (GRE) pulse sequence was used for the T2*-weighted image (B). Adapted with permission from [109], Copyright 2011 American Chemical Society.
