A 38-year-old female asked:
what are hypometabolic tumors mean on pet/ct scan?
2 doctor answers
Dr. Sewa Legha answered
49 years experience Medical Oncology
May be benign tumor: PET scan shows the degree of metabolic activity and the CT shows the dimensions of the lesion that is producing metabolic activity(or lacking it.). Increased metabolic activity is a common feature of cancer as well as Inflammation. If there is no increased uptake of PET material(that means it is hypometabolic, as opposed to hypermetabolic, the lesion/tumor is unlikely to be Cancer(with a few exe
Answered on Sep 23, 2015
Dr. Brian Wosnitzer answered
17 years experience Nuclear Medicine
Hypometabolism...: Certain tumors are not very FDG-avid (do not take up much glucose tracer). This includes mucinous tumors and several other types of tumors such as carcinoid, bronchoalveolar lung cancer, and lobular breast cancer. Benign lesions such as cysts can also appear hypometabolic on PET.
Answered on Oct 4, 2015
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