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Positron emission tomography
/pˈɒsɪtɹˌɒn ɪmˈɪʃən təmˈɒɡɹəfi/
/pˈɑːsɪtɹˌɑːn ɪmˈɪʃən təmˈɑːɡɹəfi/
PETPositron emission tomography
01
正电子发射断层扫描, PET扫描
a medical imaging technique that uses a small amount of radioactive tracer material to diagnose and monitor diseases such as cancer, heart disease, and neurological disorders
Example
The PET scan revealed a hot spot indicating increased metabolic activity in the brain.
Doctors recommended a PET scan to assess the extent of tumor growth in her lungs.
PET imaging is valuable for early detection of Alzheimer's disease.
