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Title:Tumor markers in clinical oncology
Authors:ID Novaković, Srdjan (Author)
Files:.pdf PDF - Presentation file, download (117,07 KB)
MD5: 682B401082DD3CF1793517B2E18D977B
 
Language:English
Typology:1.02 - Review Article
Organization:Logo OI - Institute of Oncology
Abstract:The subtle differences between normal and tumor cells are exploited in the detection and treatment of cancer. These differences are designated as tumor markers and can be either qualitative or quantitative in their nature. That means that both the structures that are produced by tumor cells as well as thestructures that are produced in excessive amounts by host tissues under theinfluence of tumor cells can function as tumor markers. Speaking in general, the tumor markers are the specific molecules appearing in the blood or tissues and the occurrence of which is associated with cancer. According totheir application, tumor markers can be roughly divided as markers in clinical oncology and markers in pathology. In this review, only tumor markersin clinical oncology are going to be discussed. Current tumor markers in clinical oncology include (i) oncofetal antigens, (ii) placental proteins, (iii) hormones, (iv) enzymes, (v) tumor-associated antigens, (vi) special serum proteins, (vii) catecholamine metabolites, and (viii) miscellaneous markers. As to the literature, an ideal tumor marker should fulfil certain criteria - when using it as a test for detection of cancer disease: (1) posirive results should occur in the early stages of the disease, (2) positiveresults should occur only in the patients with a specific type of malignancy, (3) positive results should occur in all patients with the same malignancy, (4) the measured values should correlate with the stage of the disease, (5) the measured values should correlate to the response to treatment, (6) the marker should be easy to measure. Most tumor markers available today meet several, but not all criteria. As a consequence of that, some criteria were chosen for the validation and proper selection of the most appropriate marker in a particular malignancy, and these are: (1) markers' sensitivity, (2) specificity, and (3) predictive values. (Abstract truncated at 2000 characters).
Publication status:Published
Publication version:Version of Record
Publication date:01.06.2004
Publisher:Association of Radiology and Oncology
Year of publishing:2004
Number of pages:str. 73-83
Numbering:Letn. 38, št. 2
Source:Ljubljana
PID:20.500.12556/DiRROS-18146 New window
UDC:616-006
ISSN on article:1318-2099
COBISS.SI-ID:18165721 New window
Copyright:by Authors
Note:BSDOCID107825;
Publication date in DiRROS:13.02.2024
Views:112
Downloads:24
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Record is a part of a journal

Title:Radiology and oncology
Shortened title:Radiol. oncol.
Publisher:Slovenian Medical Society - Section of Radiology, Croatian Medical Association - Croatian Society of Radiology
ISSN:1318-2099
COBISS.SI-ID:32649472 New window

Secondary language

Language:Slovenian
Title:Tumorski označevalci v klinični onkologiji
Abstract:Majhne razlike med normalnimi in tumorsko spremenjenimi celicami izkoriščamo vdiagnostiki in zdravljenju malignomov. Te razlike označujemo z imenom tumorski označevalci in so lahko kvalitativne ali kvantitativne po svoji naravi. To pomeni, da lahko kot tumorski označevalci služijo tako molekule (snovi), ki jih tvorijo maligne celice kot tudi molekule (snovi), ki nastajajov povečanih količinah v normalnih gostiteljevih tkivih pod vplivom malignih celic. Na splošno so tumorski označevalci značilne molekule, ki se pojavijo v krvi ali tkivih v povezavi z maligno boleznijo. Glede na uporabo delimo tumorske označevalce v grobem na označevalce v klinični onkologiji in označevalce v patologiji. V tem preglednem članku bomo obravnavali le označevalce v klinični onkologiji. Sedanja razdelitev tumorskih označevalcev vklinični onkologiji vključuje: onkofetalne antigene, placentalne proteine, hormone, encime, antigene, ki spremljajo tumor, posebne serumske proteine, kateholaminske metabolite ter skupino različnih označevalcev. Na kratko lahko povzamemo, da mora idealni tumorski označevalec izpolnjevati določene pogoje: (1) povišane koncentracije označevalca se morajo pojaviti že na začetku razvoja malignoma, (2) koncentracije označevalca morajo biti povišane le pri bolnikih z določeno vrsto malignoma, (3) povišane koncentracije se morajo pojaviti pri vseh bolnikih z enako vrsto malignoma, (4) izmerjene koncentracije morajo odražati velikost tumorske mase, (5) izmerjene koncentracije morajo odražati učinek zdravljenja in (6) določanje označevalca mora biti enostavno. Marsikateri med tumorskimi označevalci, ki jih določamo vsakodnevno, izpolnjuje nekatere, ne pa vseh navedenih pogojev. Kot posledico tega so raziskovalci vpeljali nekaj pojmov, ki naj bi opredelili kvaliteto tumorskega označevalca in omogočili čim boljšo izbiro označevalca za spremljanje določene vrste malignoma. (Izvleček skrajšan pri 2000 znakih).


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