Positron emission tomography (PET) is a type of imaging scan that doctors might use when diagnosing and treating non-Hodgkin’s lymphoma (NHL). It can be useful for identifying and staging the cancer.

PET scans can light up tumors in the body and help doctors determine if they are cancerous or benign (noncancerous). The results of a PET scan help guide medical decisions. A PET scan is a type of ...

The U.S. Food and Drug Administration cleared the Siemens Biograph mMR system, which is the first device able to conduct a PET scan and an MRI scan at the same time, according to an FDA news release.