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Prostate-specific membrane antigen for the surgical oncologist: interpreting expression beyond the prostate
Matthew Farag1,2, Damien Bolton1,2, Nathan Lawrentschuk1,2
1Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia.
Prostate-specific membrane antigen (PSMA) PET imaging shows uptake beyond prostate cancer. Research suggests PSMA
Area of Science:
- Oncology
- Nuclear Medicine
- Molecular Imaging
Background:
- Prostate-specific membrane antigen (PSMA) radiotracers are established in prostate cancer management via PET.
- PSMA expression is not exclusive to prostate cancer tissue.
Purpose of the Study:
- To review studies investigating PSMA expression in non-prostate tissues.
- To explore the potential of 68Ga-PSMA PET imaging in non-prostate cancers.
Main Methods:
- Review of studies utilizing 68Ga-PSMA PET imaging.
- Review of studies employing immunohistochemistry to assess PSMA expression.
Main Results:
- PSMA expression is observed in various solid tumors.
- PSMA is associated with the vasculature of neoplastic disease.
- PSMA may play a role in tumor neovascularization.
Conclusions:
- PSMA expression extends beyond the prostate gland.
- Further research is needed to evaluate 68Ga-PSMA PET imaging for non-prostate cancers.
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