Oncology & Cancer

Q&A: PET scans important in assessing some forms of lymphoma

Dear Mayo Clinic: My father just started chemotherapy for lymphoma, and he is scheduled for a positron emission tomography or PET scan after his first three treatments. How do doctors decide when to perform a PET scan, and ...

Neuroscience

Brain scans may reveal concussion damage in living athletes

Researchers may be closing in on a way to check athletes while they're alive for signs of a degenerative brain disease that's been linked to frequent head blows. Experimental scans found higher levels of an abnormal protein ...

Oncology & Cancer

A peek into lymph nodes

The vast majority of cancer deaths occur due to the spread of cancer from one organ to another, which can happen either through the blood or the lymphatic system. However, it can be tricky to detect this early enough. Researchers ...

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