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Bilateral Adrenal Extremely Intense Metabolic Activity on 18F-FDG PET/CT in a Patient With Pheochromocytomas

Chen, Xueqi PhD, MD*; Chen, Guoqian MD; Fu, Zhanli MD*; Li, Qian MD

doi: 10.1097/RLU.0000000000002624
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Bilateral adrenal masses were found by ultrasound on a 55-year-old man with sudden onset of chest distress and palpitation after drinking alcohol. After the negative laboratory tests of plasma catecholamine and urinary vanillylmandelic acid, the 18F-FDG PET/CT revealed extremely intense metabolic activity in the bilateral adrenal lesions, and the subsequent 131I-meta-iodobenzylguanidine scintigraphy also showed increased radioactivity in the lesions. The pathology of surgery confirmed the diagnosis of bilateral pheochromocytomas.

From the *Department of Nuclear Medicine, Peking University First Hospital, Beijing

Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou

Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA.

Received for publication February 16, 2019; revision accepted April 1, 2019.

X.C. and G.C. contribute equally to this case report.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Zhanli Fu, MD, Department of Nuclear Medicine, Peking University First Hospital, No. 8, Xishiku St, West District, Beijing 100034, China. E-mail:

Online date: May 17, 2019

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