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Positron Emission Tomography (PET) UPSC NOTE


  • Researchers developed a new radiotracer called FDT for PET scans to specifically target live TB bacteria.

  • This method offers a more precise way to identify active TB infection in the lungs compared to current methods.

  • Existing methods include sputum tests (which can miss ongoing infection)

  • The new approach developed by the researchers is more specific as it uses a carbohydrate that is only processed by the TB bacteria

  • This new approach is promising for low- and middle-income countries due to:

    • Fewer technical requirements (uses existing PET scanners)

    • Simpler production process (doesn't require specialized facilities)

  • These advantages are crucial as these countries see the majority of TB cases globally.

  • Positron emission tomography (PET) is a type of nuclear medicine procedure that measures metabolic activity of the cells of body tissues. 

  • PET is actually a combination of nuclear medicine and biochemical analysis.

  • A positron emission tomography (PET) scan is an imaging test that can help reveal the metabolic or biochemical function of your tissues and organs. 

  • The PET scan uses a radioactive drug called a tracer to show both typical and atypical metabolic activity.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Positron Emission Tomography (PET) UPSC NOTE
Positron Emission Tomography (PET) UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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