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One-step nucleic acid amplification vs ultrastaging in the detection of sentinel lymph node metastasis in endometrial cancer patients

J. Kosťun, M. Pešta, J. Sláma, R. Slunéčko, P. Vlasák, J. Bouda, Z. Novotný, O. Topolčan, R. Kučera, V. Kulda, K. Houfková, D. Berezovskiy, A. Bartáková, J. Presl,

. 2019 ; 119 (3) : 361-369. [pub] 20181203

Language English Country United States

Document type Comparative Study, Journal Article

Persistent link   https://www.medvik.cz/link/bmc19012078

BACKGROUND AND OBJECTIVES: Utilisation of the one-step nucleic acid amplification (OSNA) molecular biology method for the detection of the metastatic involvement of sentinel lymph nodes (SLNs) in endometrial cancer (EC) patients. A comparison with histopathological ultrastaging and a description of the clinical consequences. METHODS: Surgically treated EC patients underwent detection of SLNs. Nodes greater than 5 mm were cut into sections 2-mm thick parallel to the short axis of the node. Odd sections were examined according to the OSNA method, while even ones according to an appropriate ultrastaging protocol. Nodes less than or equal to 5 mm were cut into halves along the longitudinal axis with one half examined according to the OSNA method and the other half by ultrastaging. RESULTS: Fifty-eight patients were included and 135 SLNs were acquired. Both ultrastaging and OSNA agreed on 116 results. According to the OSNA method, 20.69% more patients were classified into International Federation of Gynecology and Obstetrics (FIGO) stage III. When comparing the results of the OSNA method to the conclusions of ultrastaging as a reference method, sensitivity of 90.9%, specificity of 85.5% and concordance of 85.9% were attained. CONCLUSIONS: The results of the OSNA method showed a higher frequency of detection of micrometastases and included 20.69% more patients into FIGO stage III.

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$a Kosťun, Jan, $d 1983- $7 xx0234946 $u Department of Gynaecology and Obstetrics, University Hospital Pilsen, Charles University, Prague, Czech Republic.
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$a One-step nucleic acid amplification vs ultrastaging in the detection of sentinel lymph node metastasis in endometrial cancer patients / $c J. Kosťun, M. Pešta, J. Sláma, R. Slunéčko, P. Vlasák, J. Bouda, Z. Novotný, O. Topolčan, R. Kučera, V. Kulda, K. Houfková, D. Berezovskiy, A. Bartáková, J. Presl,
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$a BACKGROUND AND OBJECTIVES: Utilisation of the one-step nucleic acid amplification (OSNA) molecular biology method for the detection of the metastatic involvement of sentinel lymph nodes (SLNs) in endometrial cancer (EC) patients. A comparison with histopathological ultrastaging and a description of the clinical consequences. METHODS: Surgically treated EC patients underwent detection of SLNs. Nodes greater than 5 mm were cut into sections 2-mm thick parallel to the short axis of the node. Odd sections were examined according to the OSNA method, while even ones according to an appropriate ultrastaging protocol. Nodes less than or equal to 5 mm were cut into halves along the longitudinal axis with one half examined according to the OSNA method and the other half by ultrastaging. RESULTS: Fifty-eight patients were included and 135 SLNs were acquired. Both ultrastaging and OSNA agreed on 116 results. According to the OSNA method, 20.69% more patients were classified into International Federation of Gynecology and Obstetrics (FIGO) stage III. When comparing the results of the OSNA method to the conclusions of ultrastaging as a reference method, sensitivity of 90.9%, specificity of 85.5% and concordance of 85.9% were attained. CONCLUSIONS: The results of the OSNA method showed a higher frequency of detection of micrometastases and included 20.69% more patients into FIGO stage III.
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$a Pešta, Martin $u Department of Biology, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic. Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic. Department of Immunochemistry, University Hospital and Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic.
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$a Sláma, Jiří $u Department of Obstetrics and Gynaecology, First Faculty of Medicine, Charles University, General University Hospital, Prague, Czech Republic.
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$a Bouda, Jiří $u Department of Gynaecology and Obstetrics, University Hospital Pilsen, Charles University, Prague, Czech Republic.
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$a Topolčan, Ondřej $u Department of Immunochemistry, University Hospital and Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic.
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$a Kučera, Radek $u Department of Immunochemistry, University Hospital and Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic.
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$a Kulda, Vlastimil $u Department of Medical Chemistry and Biochemistry, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic.
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$a Houfková, Kateřina $u Department of Biology, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic.
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$a Bartáková, Alena $u Department of Gynaecology and Obstetrics, University Hospital Pilsen, Charles University, Prague, Czech Republic.
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