Fig. 9
![Fig. 9](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40644-019-0241-5/MediaObjects/40644_2019_241_Fig9_HTML.png)
Axial T2 with fat saturation MRI (a) shows a mass in the right carotid space (asterisk), slowly enlarging on serial imaging (thus going against a metastasis). There is high uptake on FDG-PET (b), but no uptake on GaTate-PET (c), most consistent with a nerve sheath tumour (confirmed histologically)