Drug treatment of AIDS dementia,PET scan

Numéro d’image : 11835536
Drug treatment of AIDS dementia,PET scan
Drug treatment of AIDS dementia. Coloured positron emission tomography (PET) scans of axial sections through the human brain. The brain at left (1) is that of a normal control subject. The brain at centre (2) is that of an AIDS (acquired immune deficiency disorder) patient suffering dementia.At right (3) is the same patient 13 weeks after treatment with the anti-retroviral drug AZT (azidothymidine). The increase in red,yellow and green areas denotes a rise in glucose metabolism,indicating an improvement in brain function. PET scans use gamma cameras to detect radioactive tracers that have been injected into the blood,and which accumulate in areas of high metabolic activity
Licence : Droits gérés
Crédit: Science Photo Library / National Cancer Institute
Taille de l’image : 3626 px × 2417 px
Model Release : Non requis
Property Release : Non requis
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