PET scans

Radiotracer diagnostic pictures

PET scans are medical imaging procedures that use positron emission tomography to detect disease activity in the body.

A radioactive tracer is injected and absorbed by tissues, revealing metabolic processes rather than just anatomy.

PET scans are especially useful for detecting cancer, evaluating heart conditions, and studying brain disorders: The PET scan showed no signs of the tumor spreading.

Related

gamma rays · cancer · cancer diagnosis · nuclear medicine · hot spot · X-ray · imaging center · radiopharmaceuticals · neurology · carbon-11 · cardiology · epilepsy · radiology · metabolic · bright spot · brain · brain activity · glucose

Categories
Opposites
imaging modality type

PET scansMRI

Magnetic body imaging

CT scans · X-rays · ultrasound · mammography · fluoroscopy

diagnostic approach

PET scansphysical examination

Medical evaluation of body

palpation · visual inspection · auscultation · percussion · clinical observation

radiotracer-based vs. non-radioactive imaging

PET scansMRI

Magnetic body imaging

ultrasound · sonography · echocardiography · thermography

Family

emission, positron

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Top 200,000
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Used worldwide · Timeless · Concrete · Rated G