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Patterns and characteristics of brown adipose tissue uptake of 18F-FDG positron emission tomograph/computed tomography imaging / 中国医学科学院学报
Acta Academiae Medicinae Sinicae ; (6): 370-373, 2009.
Article Dans Chinois | WPRIM | ID: wpr-259009
ABSTRACT
<p><b>OBJECTIVE</b>To characterize the brown adipose tissue (BAT) uptake of 18F-FDG on positron emission tomography (PET)/computed tomography (CT) imaging.</p><p><b>METHODS</b>We retrospectively analyzed the clinical data of 1 080 patients who received all whole-body PET/CT studies in Peking Union Medica College Hospital from July 2008 to February 2009.</p><p><b>RESULTS</b>Forty-one patients (3.8%) were identified to be with BAT uptake, especially during cold seasons. BAT uptake was mostly observed at the neck regions symmetrically (n = 39), and was also seen at paravertebral junctions (n = 30), perinephric regions (n = 21), and mediastinum (n = 10). Patients with BAT uptake had significantly lower male/female ratio (P = 0.0030), younger age (P = 0.0001), and less body mass index (BMI) (P = 0.0415). Three patients with high BAT uptake underwent repeat PET/CT scans 3-7 days later. By keeping warm and full relaxation, BAT uptake disappeared in 2 cases and dramatically decreased in the other case.</p><p><b>CONCLUSIONS</b>BAT uptake commonly occurs during cold seasons in Beijing, especially in young females with low BMI. It usually has specific patterns, and can be avoided or remarkably reduced by asking the patients keep warm and full relaxation a few days before the scanning.</p>
Sujets)
Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Tissu adipeux brun / Imagerie diagnostique / Pharmacocinétique / Tomodensitométrie / Études rétrospectives / Fluorodésoxyglucose F18 / Tomographie par émission de positons / Métabolisme / Méthodes Type d'étude: Etude diagnostique / Étude observationnelle / Étude pronostique Limites du sujet: Adolescent / Adulte / Adulte très âgé / Aged80 / Femelle / Humains / Mâle langue: Chinois Texte intégral: Acta Academiae Medicinae Sinicae Année: 2009 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Tissu adipeux brun / Imagerie diagnostique / Pharmacocinétique / Tomodensitométrie / Études rétrospectives / Fluorodésoxyglucose F18 / Tomographie par émission de positons / Métabolisme / Méthodes Type d'étude: Etude diagnostique / Étude observationnelle / Étude pronostique Limites du sujet: Adolescent / Adulte / Adulte très âgé / Aged80 / Femelle / Humains / Mâle langue: Chinois Texte intégral: Acta Academiae Medicinae Sinicae Année: 2009 Type: Article