Indian Journal of Nuclear Medicine
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Year : 2014  |  Volume : 29  |  Issue : 4  |  Page : 286-288

Recurrent malignant pheochromocytoma with unusual omental metastasis: 68 Ga-DOTANOC PET/CT and 131 I-MIBG SPECT/CT scintigraphy findings

Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India

Correspondence Address:
Rakesh Kumar
Department of Nuclear Medicine and Positron Emission Tomography, All India Institute of Medical Sciences, New Delhi - 110 029
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-3919.142654

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Pheochromocytomas are rare catecholamine-secreting tumors derived from the sympathetic nervous system. The most common sites of metastasis for pheochromocytoma or extra-adrenal paraganglioma are lymph nodes, bones, lungs, and liver. Patients with known or suspected malignancy should undergo staging with computed tomography (CT) or magnetic resonance imaging as well as functional imaging (e.g. with 123 I/ 131 I-MIBG ( 131 I-metaiodobenzylguanidine) and 68 Ga-DOTANOC ( 68 Ga-labeled [1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid]-1-NaI3-octreotide) positron emission tomography (PET)/CT) to determine the extent and location of disease. We present a case of recurrent malignant pheochromocytoma with unusual site of metastasis in omentum, which was positive on 68 Ga-DOTANOC PET/CT and 131 I-MIBG single-photon emission computed tomography (SPECT/)/CT scintigraphy.

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