What is the Difference between MRI, MRA, CT scan, X-RAY, PET scan?

 1.MRI: It is a long test shows in detail about smaller bleed, stroke, lesions, or masses.

 2.MRA: It shows the flow of blood in Vasculature System of Brain. If there is a blockage this test will show it.

 3.CT scan: It is a short test not show in detail. Helpful to show larger bleed, stroke, lesions, or masses.

 4.X-RAY: It does not show Brain. It is helpful in detecting Bone Fracture.

 5.PET scan: How different parts of Brain actively working an active brain uses sugar and it shows how much the Brain using sugar by Lightening up colours. The more sugar used will be showed with Different colours. Cancer cells uses most of the sugar cells so it Help that Is there some Cancer cells or not?

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