Cancer Imaging Flashcards
1
Q
PET-CT:
A
PET uses a non-specific radioactive tracer (FDG) which highlights areas of increased metabolism, cell proliferation, or hypoxia.
It therefore accumulates in cancer cells > non-cancer cells
PET-CT is a powerful combination of anatomical (CT) and functional (PET) information allowing diagnosis, increased accuracy of staging, and assessment of treatment response.
2
Q
Monoclonal antibodies:
A
radio-labelled tumour antibodies specific to the tumour under investigation, eg prostate specific membrane antigen, somatostatin (neuroendocrine tumours), oestrogen receptor (breast).
They can offer better specificity than standard PET images
3
Q
Bone scintigraphy (bone scan)
A
detects abnormal metabolic activity in bones
