Hereditary pheochromocytoma/paraganglioma syndrome with a novel mutation in the succinate dehydrogenase subunit B gene in a Japanese family: two case reports

摘要

Abdominal computed tomography scan showing a 50 mm mass above the left kidney (arrow) (a). Abdominal MRI showing the mass is nonhomogeneous and of moderate intensity on T2-weighted images (arrow) (b). 123I-MIBG scintigraphy showing no accumulation in the mass (c). FDG-PET showing accumulation (SUVmax 10.9) in the mass (d). CT, computerized tomography; FDG-PET, fluorodeoxyglucose-positron emission tomography; MIBG, metaiodobenzylguanidine; MRI, magnetic resonance imaging; SUVmax, maximum standardized uptake value