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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Curr Radiopharm. 2011 Apr 1;4(2):131–139. doi: 10.2174/1874471011104020131

Fig. (2).

Fig. (2)

PET imaging of HER2 expression in patients with 89Zr-trastuzumab. (A) 89Zr-trastuzumab PET scans of a patient already on trastuzumab treatment at different time points post-injection revealed an increase over time in the tumor-to-nontumor ratio of tracer uptake. Arrow indicates 89Zr-trastuzumab uptake in the only lesion. (B) 89Zr-trastuzumab PET of a patient with liver and bone metastases at 5 days post-injection. A number of lesions are indicated by arrows. Adapted from [30].