2017
DOI: 10.20344/amp.8712
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Metabolic Activity in the Visceral and Subcutaneous Adipose Tissues by FDG-PET/CT in Obese Patients

Abstract: RESUMOIntrodução: O 18 F-fluorodesoxiglucose-tomografia por emissão de pósitrons/tomografia computorizada tem sido aplicado ao estudo da atividade metabólica e da inflamação do tecido adiposo, constituindo uma possível ferramenta para complementar a estratificação de risco na obesidade. Os objetivos deste estudo foram a avaliação da captação de 18 F-fluorodesoxiglucose pelo tecido adiposo visceral e pelo tecido adiposo subcutâneo e a determinação de eventuais diferenças em doentes com e sem obesidade. Material… Show more

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Cited by 11 publications
(7 citation statements)
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“…We also demonstrate increased hypertrophy in VAT relative to SAT adipocytes in the non-obese state that is markedly increased in both depots in obesity, consistent with multiple prior data [21]. We demonstrate decreased glucose uptake in VAT relative to SAT adipocytes in mice and humans, consistent with some [12,22] but not all [23,24] prior published data. Differences in the methodology used to measure glucose uptake as well as species-specific differences may account for these conflicting data.…”
Section: Discussionsupporting
confidence: 90%
“…We also demonstrate increased hypertrophy in VAT relative to SAT adipocytes in the non-obese state that is markedly increased in both depots in obesity, consistent with multiple prior data [21]. We demonstrate decreased glucose uptake in VAT relative to SAT adipocytes in mice and humans, consistent with some [12,22] but not all [23,24] prior published data. Differences in the methodology used to measure glucose uptake as well as species-specific differences may account for these conflicting data.…”
Section: Discussionsupporting
confidence: 90%
“…The appearance of positive thermogenic markers is supported by the result of 18 F-FDG PET-CT scans, showing a spontaneous increased uptake of glucose, mostly in lipomatous regions but also in lipoatrophic adipose tissue, at least in some patients with MFN2-associated MSL. Such an increase in FDG uptake has never been reported in normal-weight, overweight, or obese subjects [36][37][38][39][40] (Table 4, Figure 7). However, the level of this uptake is far lower than what is observed in brown activated adipose tissue [47,48] or in hibernoma [49].…”
Section: Discussionmentioning
confidence: 72%
“…Mean and maximal Standardized Uptake Value (SUV) of adipose tissue were measured as described in Methods, with SUVmax of the liver as a reference. Individual data assessed during this study in patients P1, P2, P4 and P5 and in a control subject are presented, as well as previously published data obtained using similar protocols of 18 F-FDG-PET-scans, expressed as mean  SD or median (IQR) [36][37][38][39][40]. na: not available.…”
Section: Table 4 18 F-fdg Uptake Of Subcutaneous Adipose Tissue Asses...mentioning
confidence: 99%
“…In addition to the increased BF, G2 boys also exhibited an increase in VFA (Table 4 ), which is a more serious finding. Visceral fat has higher metabolic activity than subcutaneous fat, and thus imposes higher risks [ 41 ]. Evidence has confirmed the associations of visceral fat with cardiovascular complications, obesity, and T2DM [ 23 , 56 , 59 ].…”
Section: Discussionmentioning
confidence: 99%