Hypermetabolic Mesenteric Brown Adipose Tissue on Dual-Time Point FDG PET/CT in a Patient With Benign Retroperitoneal Pheochromocytoma

ABSTRACTIntense FDG uptake of the mesenteric brown adipose tissue (BAT) is rare. We present a case of benign retroperitoneal pheochromocytoma showing multiple hypermetabolic regions corresponding with common locations of BAT. Furthermore, the mesenteric region showed intense FDG uptake, with SUVmax...

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Bibliographic Details
Published in:Clinical nuclear medicine 2014-03, Vol.39 (3), p.e229-e232
Main Authors: Dong, Aisheng, Wang, Yang, Lu, Jianping, Zuo, Changjing
Format: Article
Language:English
Subjects:
Adipose Tissue, Brown - diagnostic imaging
Adipose Tissue, Brown - metabolism
Adipose Tissue, Brown - pathology
Adrenal Gland Neoplasms - diagnostic imaging
Adrenal Gland Neoplasms - pathology
Adult
Fluorodeoxyglucose F18
Humans
Male
Mesentery - diagnostic imaging
Mesentery - metabolism
Mesentery - pathology
Multimodal Imaging
Pheochromocytoma - diagnostic imaging
Pheochromocytoma - metabolism
Pheochromocytoma - pathology
Positron-Emission Tomography
Retroperitoneal Neoplasms - diagnostic imaging
Retroperitoneal Neoplasms - metabolism
Retroperitoneal Neoplasms - pathology
Tomography, X-Ray Computed
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Summary:ABSTRACTIntense FDG uptake of the mesenteric brown adipose tissue (BAT) is rare. We present a case of benign retroperitoneal pheochromocytoma showing multiple hypermetabolic regions corresponding with common locations of BAT. Furthermore, the mesenteric region showed intense FDG uptake, with SUVmax of 10.6. FDG PET/CT findings of this case supports the previous theories that the incidence of BAT may be higher in patients with pheochromocytoma than in patients without, and the intra-abdominal fat of human adults, including the omental fat, which is brown adipose tissue in infancy, becomes reactivated in the presence of high circulating noradrenaline concentrations.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0b013e3182816515