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PSMA-PET guided hook-wire localization of nodal metastases in prostate cancer: a targeted approach

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Abstract

Prostate Specific Membrane Antigen Positron Emission Tomography/Computed Tomography (PSMA-PET/CT) has increased the sensitivity and specificity of imaging to identify metastatic prostate cancer in the group of patients with early biochemical recurrence when compared to conventional imaging. In patients who develop biochemical recurrence of prostate cancer following surgical resection, salvage lymph node dissection may reduce prostate specific antigen (PSA) levels and delay the time for commencement of systemic therapies. However, PLND may be an anatomically and technically difficult procedure, particularly with small metastatic diseases which can be problematic for intra-operative identification. We describe the technique using PSMA-PET imaging to pre-operatively localise areas of low-volume nodal metastatic disease with hookwire to allow targeted lymph node dissection with direct visualisation and palpation to ensure adequate clearance of involved nodes.

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Abbreviations

BCR:

Biochemical recurrence

CT:

Computed tomography

LND:

Lymph node dissection

PET:

Positron emission tomography

PSA:

Prostate specific antigen

PSMA:

Prostate specific membrane antigen

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Authors and Affiliations

Authors

Contributions

E Clarebrough: Manuscript writing/editing, D Cristidis: Data collection or management, Manuscript writing/editing, C Duncan: Manuscript writing/editing, A Lavoipierre: Protocol/project development, Data collection or management, N Lawrentschuk: Protocol/project development, Data collection or management

Corresponding author

Correspondence to Catriona Duncan.

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All of the authors declare that they have no conflict of interest.

Informed consent

The individual re-identifiable data included in this article were included with the informed consent of the patient.

Human and animal rights

This article does not contain any experimental studies with human participants or animals performed by any of the authors.

Additional information

Paper part of topic issue: Bolton Frydenberg—”Advances in Imaging in Met. Prost. Cancer”.

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Clarebrough, E., Duncan, C., Christidis, D. et al. PSMA-PET guided hook-wire localization of nodal metastases in prostate cancer: a targeted approach. World J Urol 37, 1251–1254 (2019). https://doi.org/10.1007/s00345-018-2282-y

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  • DOI: https://doi.org/10.1007/s00345-018-2282-y

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