National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
The Utilization of the Molecular-Biology Method One-Step Nucleic Acid Amplification (OSNA) for Examination of Sentinel Lymph Nodes in Endometrial Cancer Patients
Kosťun, Jan ; Presl, Jiří (advisor) ; Fínek, Jindřich (referee) ; Roztočil, Aleš (referee)
Hypothesis The One-Step Nucleic Acid Amplification method could represent an effective intraoperative tool for detection of metastatic involvement of lymphatic nodes on the level of ultrastaging in endometrial cancer patients. Objective Utilization of the One-Step Nucleic Acid Amplification (OSNA) molecular biology method for the detection of the micrometastatic and macrometastatic involvement of sentinel lymph nodes in endometrial cancer patients. The objective is a comparison with the conclusion of the histopathological ultrastaging of sentinel lymph nodes and a description of the clinical consequences of this method. Methods Patients indicated for the surgical treatment of endometrial cancer underwent the detection of sentinel lymph nodes that was executed using the intracervical application of a tracer. Nodes larger than 5 mm were cut into sections 2 mm thick parallel to the short axis of the node. Odd sections were examined using the OSNA method, while even ones were examined by hematoxylin and eosin (H&E) and immunohistochemical examination to detect cytokeratin 19 antibody (IHC CK19) based on an ultrastaging-relevant protocol. Nodes of the size of 5 mm and smaller were divided into halves along the longitudinal axis with one half being examined using the OSNA method and the other half by...

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