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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

From: Clinicoradiological manifestations of paraganglioma syndromes associated with succinyl dehydrogenase enzyme mutation

Fig. 4

A 60-year-old male patient with SDHB and a right-sided extra-adrenal paraganglioma. a Contrast axial CT shows the right-sided para-aortic paraganglioma (arrowhead), which is displacing the IVC (arrow) anteriorly. b Methyl iodine benzyl guanidine (MIBG) scan of the same tumour showing avid uptake (arrowhead). MIBG, either labelled with 123I or 131I, is a norepinephrine analogue. Sympathetic paragangliomas are usually secretory and therefore avidly take up MIBG as it follows the metabolic pathway of norepinephrine

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