Tomography

MRI stands for Magnetic Resonance Imaging, whereas CT stands for Computed Tomography.

Positron Emission Tomography uses a radioactive tracer to visualize metabolic activity within the human body.

Fortunately, the tomography doesn't show any skull fractures.

They did a tomography on Sami and they found no fractures.

But computerized axial tomography, better known as a helical CT scan, provided doctors with far greater detail.