Meaning of Cylus: Cylus is a modern English respelling of the name Silas, which is a short form of the Greek name Silouanos, which is a variant of the Latin name Silvanus, which is derived from the Latin word silva, meaning wood, forest.
Overview. A positron emission tomography (PET) scan is a type of nuclear imaging test that shows the metabolic activities (energy usage) of your brain. While X-ray, CT, and MRI scans look at the anatomy of your brain, a PET scan can give your doctor information about how your brain is working.
A bone scan looks for changes or abnormal areas in the bones. You have the scan in the medical physics department, nuclear medicine department, or X-ray department of the hospital. The radiographer injects a small amount of radioactive substance into your bloodstream.ow a bone scanner works. A bone scan looks for changes or abnormalities in the bones. It is also called a radionuclide scan, a scintigram or nuclear medicine scan. A bone scan can look at a particular joint or bone.