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Updated: Dec 16, 2025

A New Technique for Treating Low-risk Prostate Cancer—Super Active Surveillance
Published on: November 7, 2025
The Role of PET-CT Imaging in Prostate Cancer
Manil Subesinghe1, Meghana Kulkarni2, Gary J Cook1
1King's College London & Guy's & St. Thomas' PET Centre, St. Thomas' Hospital, London, UK; Department of Cancer Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK.
Positron emission tomography-computed tomography (PET-CT) improves detection of prostate cancer spread compared to conventional methods. This advanced imaging is crucial for accurate staging and managing biochemical recurrence in men.
Area of Science:
- Oncology
- Radiology
- Nuclear Medicine
Background:
- Prostate cancer is the most frequent male malignancy in the UK.
- Accurate detection of extraprostatic disease is vital for treatment planning.
- Conventional imaging (CT, bone scintigraphy) has limitations in detecting nodal and bone metastases, especially at low PSA levels.
Purpose of the Study:
- To review the role of positron emission tomography-computed tomography (PET-CT) in prostate cancer management.
- To discuss the utility of various radiopharmaceuticals used in PET-CT for staging and recurrence detection.
- To compare the strengths and weaknesses of PET-CT against conventional imaging modalities.
Main Methods:
- Review of current literature on PET-CT in prostate cancer.
- Discussion of radiopharmaceutical mechanisms of action.
- Comparative analysis of imaging techniques for staging and biochemical recurrence.
Main Results:
- PET-CT offers superior detection of loco-regional nodal and metastatic bone disease compared to conventional imaging.
- This improved detection is particularly significant at low prostate-specific antigen (PSA) levels during biochemical recurrence.
- PET-CT is facilitating a paradigm shift in prostate cancer management.
Conclusions:
- PET-CT represents a significant advancement in visualizing prostate cancer spread.
- Its application enhances the accuracy of staging and the management of biochemical recurrence.
- The adoption of PET-CT is transforming clinical decision-making in prostate cancer care.
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