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Erschienen in: Diseases of the Colon & Rectum 6/2008

01.06.2008 | Original Contribution

Sentinel Node Mapping does not Improve Staging of Lymph Node Metastasis in Colonic Cancer

verfasst von: Arne E. Faerden, M.D., Ole Sjo, M.D., Solveig Norheim Andersen, Ph.D., Beate Hauglann, M.A., Naimy Nazir, M.D., Berit Gravedaug, M.D., Ingvild Moberg, M.D., Aud Svinland, Ph.D., Arild Nesbakken, Ph.D., Arne Bakka, Ph.D.

Erschienen in: Diseases of the Colon & Rectum | Ausgabe 6/2008

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Abstract

Purpose

This study was designed to evaluate the reliability of the sentinel node concept in colonic cancer.

Methods

Patent blue was used as tracer. The four blue nodes closest to the tumor were defined as the sentinel node(s) by the pathologist. All nodes were examined by routine microscopy (hematoxylin-eosin staining). If no metastases were detected, all lymph nodes were examined immunohistochemically with antibody to cytokeratin.

Results

Two hundred colon specimens were examined. Sentinel node(s) were identified in 93 percent. Sixty contained metastases in hematoxylin-eosin sections. In 32 these were found in sentinel nodes (sensitivity 53 percent). Twenty-eight patients had metastases in nonsentinel nodes only, giving a false-negative rate of 47 percent. Immunostaining revealed 39 (30 percent) micrometastases or submicrometastases in 131 TNM Stages I and II patients, and in 17 of these patients metastases were found in nonsentinel nodes only (false-negative rate 44 percent).

Conclusions

Sentinel lymph node mapping shows low sensitivity for detection of ordinary metastases, micrometastases, and submicrometastases. If only the sentinel nodes had been examined, approximately half of the metastases would have been lost after routine staining, as well as half of the micrometastases and submicrometastases when immunohistochemical examination was added.
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Metadaten
Titel
Sentinel Node Mapping does not Improve Staging of Lymph Node Metastasis in Colonic Cancer
verfasst von
Arne E. Faerden, M.D.
Ole Sjo, M.D.
Solveig Norheim Andersen, Ph.D.
Beate Hauglann, M.A.
Naimy Nazir, M.D.
Berit Gravedaug, M.D.
Ingvild Moberg, M.D.
Aud Svinland, Ph.D.
Arild Nesbakken, Ph.D.
Arne Bakka, Ph.D.
Publikationsdatum
01.06.2008
Verlag
Springer-Verlag
Erschienen in
Diseases of the Colon & Rectum / Ausgabe 6/2008
Print ISSN: 0012-3706
Elektronische ISSN: 1530-0358
DOI
https://doi.org/10.1007/s10350-007-9185-0

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