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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Prostatos vėžio chemoprevencija dutasteridu esant didelei susirgimo rizikai / Chemoprevention of prostate cancer with dutasteride for high risk patients

Auškalnis, Stasys 13 September 2010 (has links)
Aukšto laipsnio prostatos intraepitelinė neoplazija (ALPIN, angl. – HGPIN – high grade prostatic intraepithelial neoplasia ) priskiriama prie priešvėžinių būklių ( arba prostatos vėžio prekursorių) ir susijusi su padidėjusia kartu esamo vėžio diagnozavimo rizika arba vėlesne jos progresija iki vėžio. Manoma, kad pacientai, kuriems nustatyta ALPIN prostatos biopsinėje medžiagoje, yra tinkami kandidatai chemoprevencijai. Šio darbo tikslas buvo nustatyti 5-alfa reduktazės inhibitoriaus dutasterido reikšmę prostatos vėžio prevencijai esant didelei šios ligos rizikai. Darbo uždaviniai : 1. Nustatyti prostatos vėžio dažnį esant didelei šios ligos rizikai (biopsinėje medžiagoje nustatyta aukšto laipsnio prostatos intraepitelinė neoplazija). 2. Įvertinti pakartotinių biopsijų reikšmę prostatos vėžio diagnozavimo dažniui. 3. Įvertinti tiriamojo vaisto reikšmę prostatos vėžio prevencijai (ar sumažina prostatos vėžio diagozavimo dažnį) esant didelei šios ligos rizikai. 4. Palyginti diagnozuoto prostatos vėžio diferenciacijos skirtumus tiriamosiose grupėse. / A high grade prostatic intraepithelial neoplasia (HPIN) is traditionally ascribed to pre-cancerous conditions or prostate cancer (PC) precursors, and associated with an increased risk of concomitant cancer or its later progression to malignant disease. After evaluation of the data indicating HPIN as a pre–cancerous condition, it is thought that the patients having HPIN in the prostate biopsy material are suitable candidates for chemoprevention.The aim of the study was to find out the significance of dutasteride, a 5–alpha reductase inhibitor, for the prevention of development of prostate cancer in case of a high risk for the disease. Objectives of the study: 1. To determine the rate of prostate cancer in case of a high risk for the disease (when a high grade prostatic intraepithelial neoplasia is found in biopsy material). 2. To find out the significance of repeat biopsies for the detection rate of prostate cancer. 3. To find out the significance of the investigatory medication for the prevention of development of prostate cancer in case of a high risk for the disease. 4. To compare the differences in the differentiation of diagnosed prostate cancer between the study groups.

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