Sentinel Node Biopsy and Lymphatic Mapping in Penile and Prostate Cancer

Overview

Journal Urologe A

Specialty Urology

Date 2016 Nov 18

PMID 27853841

Citations 5

Authors

H G van der Poel

P Meershoek

N Grivas

G KleinJan

F W B van Leeuwen

S Horenblas

Affiliations

Soon will be listed here.

Abstract

Background: Nodal metastases are linked to poor outcome in men with penile or prostate cancer. Early detection and resection are important for staging and for the prognosis. However, lymphadenectomy is associated with morbidity and may miss metastases when performed solely on the basis of anatomical templates.

Methods: In this article we describe the technique and benefits of sentinel node biopsy (SNB) and provide a review of the literature.

Results: Dynamic sentinel node techniques using both radioactive and optical (hybrid) tracers have been proven effective in penile cancer. For prostate cancer, SNB added to extended nodal dissection may further tailor dissection to the highly variable lymphatic drainage patterns in the pelvis. The sensitivity of SNB was found to be superior to conventional imaging methods; however, false-negative SNB procedures can occur and a complementary extensive lymphadenectomy is required to remove additional positive nodes that were not detected in the SNB template.

Conclusion: SNB is a standard method for early detection of nodal metastases in penile cancer and provides superior diagnostic accuracy to conventional imaging modalities in prostate cancer.

Citing Articles

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Clinical use of an opto-nuclear probe for hybrid sentinel node biopsy guidance: first results.

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Grivas N, Wit E, Tillier C, van Muilekom E, Pos F, Winter A Eur J Nucl Med Mol Imaging. 2017; 44(13):2213-2226.

PMID: 28780722 DOI: 10.1007/s00259-017-3788-z.

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