Review of Gallium-68 PSMA PET/CT Imaging in the Management of Prostate Cancer.

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Lenzo NP, Meyrick D, Turner JH

Review of Gallium-68 PSMA PET/CT Imaging in the Management of Prostate Cancer.

Diagnostics (Basel). 2018 Feb 11;8(1). pii: diagnostics8010016. doi: 10.3390/diagnostics8010016.

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29439481 [ View in PubMed
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Abstract

Over 90% of prostate cancers over-express prostate specific membrane antigen (PSMA) and these tumor cells may be accurately targeted for diagnosis by (68)Ga-PSMA-positron emission tomography/computed tomography ((68)Ga-PSMA-PET/CT) imaging. This novel molecular imaging modality appears clinically to have superseded CT, and appears superior to MR imaging, for the detection of metastatic disease. (68)Ga-PSMA PET/CT has the ability to reliably stage prostate cancer at presentation and can help inform an optimal treatment approach. Novel diagnostic applications of (68)Ga-PSMA PET/CT include guiding biopsy to improve sampling accuracy, and guiding surgery and radiotherapy. In addition to facilitating the management of metastatic castrate resistant prostate cancer (mCRPC), (68)Ga-PSMA can select patients who may benefit from targeted systemic radionuclide therapy. (68)Ga-PSMA is the diagnostic positron-emitting theranostic pair with the beta emitter Lutetium-177 PSMA ((177)Lu-PSMA) and alpha-emitter Actinium-225 PSMA ((225)Ac-PSMA) which can both be used to treat PSMA-avid metastases of prostate cancer in the molecular tumor-targeted approach of theranostic nuclear oncology.

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