Brown fat by jlhd32

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									Physiologic brown fat activity




                        http://humanhealth.iaea.org
                       Locations of brown fat

        Typical Locations              Atypical Locations
    Neck & Supraclavicular               Posterior neck
            Paravertebral                 Paratracheal
             Perinephric                  Mediastinum
                                          Pericardiac
                                            Axillary
                                           Perisplenic
                                           Retrocrural




http://humanhealth.iaea.org
                                           Paidisetty AJR 2009: 193(2), 359
              Neck (anterior & posterior) brown fat

Thermogenic
 brown fat
                   Paraesophageal brown fat




              Perisplenic & Paravertebral brown fat




              Perinephric & Paravertebral brown fat
        Intra-abdominal brown fat in left flank
A




B




      CT scan shows normal fat density. There is no mass lesion seen in the
    corresponding slice or adjoining slices (Rows A & B). There is no anatomic
                                  misregistration.
             Intra-abdominal brown fat
A




B




 CT scan shows normal fat density in the left perisplenic (Row A) and right
suprarenal (Row B). There is no mass lesion seen in the corresponding slice
                            or adjoining slices.
                       Inter-atrial brown fat




Intense focus of FDG avid disease in the fat density tissue in the inter-atrial
                  region and adjacent to the arterial stents




                                                           http://humanhealth.iaea.org

								
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