The problem: A severe headache may make you worry about a brain tumor ... as cancer or a spinal infection. But in those cases, you usually need an MRI, not an X-ray or CT scan.

The information from the PET scan and from the CT scan is different but complementary. The PET scan shows areas with increased metabolic activity, while the CT scan shows detailed anatomical locations ...

Since the pain was impacting his daily life, Steve Loutzenhiser went for an MRI and found out, at only 41 years old, he had a tumor in his spinal cord that could not be easily removed. His wife ...