Medically reviewed by Doru Paul, MD Key Takeaways A PET scan shows changes in your body's cells to detect diseases.Prepare ...

PET scans can light up tumors in the body and help doctors determine if they are cancerous or benign (noncancerous). The results of a PET scan help guide medical decisions. A PET scan is a type of ...

A gallium scan is a type of imaging test used in medicine to diagnose infections, inflammation, and certain cancers. They are commonly done when you have a fever that your doctor cannot find a cause ...

A few years ago, after six weeks of ruthless back pain, I saw an orthopedist, hoping for a relieving jab of steroids. When he suggested an MRI, I was pleased at his thoroughness. I wasn’t quite as ...

A lung biopsy is performed to remove lung tissue or growths, aiding in the diagnosis of lung conditions like cancer, tuberculosis, and interstitial lung disease. Doctors often recommend this procedure ...

A kidney ultrasound is a quick and painless medical procedure that can provide information regarding the health of your kidneys. Doctors can use ultrasound imaging to assess the general health of your ...

Magnetic resonance imaging (MRI) is a technique using magnets, radio waves, and a computer that produces images of soft tissues in the body, like muscles and organs. Unlike some other imaging tests, ...