A follow-up MRI scan demonstrated a Bosniak IIF left renal cyst and a T2-hyperintense para-aortic lesion concerning for extra-adrenal paraganglioma (EAP). [131 I] Metaiodobenzylguanidine scintigraphy ...

Furthermore, CT imaging is the tool of choice for characterizing renal masses. MRI may add information to the CT, such as (i) solid enhancing components in complex cystic masses, (ii) high resolution ...