Figure 1
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13550-014-0038-2/MediaObjects/13550_2014_Article_38_Fig1_HTML.jpg)
Example of discordant131I-MIBG and111In-pentetreotide tumor uptake. SPECT 131I-MIBG (A) and 111In-pentetreotide (B) images and corresponding CT (C) at the same level from subject #6 showing a large metastatic lesion that is both MIBG and pentetreotide positive (thin arrows), along with a metastasis which is MIBG positive and pentetreotide negative (black circle) and another that is pentetreotide positive and MIBG negative (thick arrow).