What do you mean by PET scan? Enumerate its indications on patients.

POSITRON EMISSION TOMOGRAPHY IS DONE TO KNOW THE CANCER STAGING, TO GUIDE IN BIOPSY, TO SEE MALIGNANCY OF THE CANCER LESION,

PET IS POSITRON EMISSION TOMOGRAPHY. IT HELPS TO IDENTIFY METABOLICALLY ACTIVE LESIONS, DEGENERATIVE DISEASES, IDENTIFICATION OF PRIMARY IN OCCULT MALIGNANCIES AND TO ASSESS SPREAD OF LESIONS

positron emission tomography that evaluates blood flow and metabolism,,activity of brain tissue

detectingmalignancy

spread,,, effect of therapy,,recurrence

can be used in stroke and alzheimers disease

1. Differentiation between tumor and necrosis after radiation therapy or radiosurgery

2. Evaluation of disease dissemination in cases of multiple metastasis

3. Determination of epileptogenic zone on the brain

In neurosurgery it's used for seizure targeting and tumor localization!