A thorough evaluation is the first step in designing the best treatment plan. Your examination may include:

Computed Tomography   Magnetic Resonance Imaging MRI Spectroscopy MR perfusion Functional MRI Diffusion Tensor Imaging   Positron emission tomography (PET)

Positron emission tomography (PET) A procedure in which a small amount of radioactive glucose (sugar) is injected into a vein, and a scanner is used to make detailed, computerized pictures of areas inside the body where the glucose is used.

Your doctor may also ask for other tests, including:

Angiogram   Biopsy   Myelogram   Skull x-ray   Spinal tap