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Toplam kayıt 70, listelenen: 1-20
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Yoğunluk Ayarlı Radyoterapi Tekniğinde İn Vivo Dozimetri İçin Elektronik Portal Görüntüleme Sistemi ve Diyot Dedektörlerin Kullanılması
(Kanser Enstitüsü, 2013)Intensity Modulated Radiation Therapy (IMRT) is an advanced method of three-dimensional conformal radiotherapy techniques. Patient-specific quality assurances are very important for IMRT technic. These assurances are often ... -
Meme Kanserinde Göğüs Duvarı ve Lenfatik Işınlamada 3 Boyutlu Konformal Radyoterapi ile Yoğunluk Ayarlı Radyoterapi.
(Kanser Enstitüsü, 2013)Breast/chest wall (CW) and lymphatic irradiation for breast cancer is one of the most difficult techniques in radiotherapy. In this study, forward and inverse planing IMRT, hybrid IMRT plans were compared with the corresponding ... -
The Effects of Tumor Mıcroenvironment on T Cell Responses in a Rat Chemical Mammary Carcinoma Model
(Kanser Enstitüsü, 2013)The studies that have investigated the nature of the cells and molecules responsible for the functional insufficiency of the tumor infiltrating T cells usually on several components; however, the contribution of stromal ... -
Meme Kanseri Hücrelerinde Kostimülatör B7 Ailesi Ligandlarının Ekspresyonu ve Yardımcı T Hücre Yanıtları Üzerine Etkisi
(Kanser Enstitüsü, 2013)B7 ligands are the most critical costimulatory molecules that regulate T cell responses. Although these molecules are mainly expressed on professional antigen presenting cells, they may also be expressed on tumor cells. ... -
Meme Kanseri Modelinde Myeloid Kökenli Hücrelerin Immün Kompartmanlardaki Dağılımının Anti-Tümör Yanıtlara Yansıması
(Kanser Enstitüsü, 2013)Myeloid cells of peripheral blood, bone marrow and spleens from NMU induced mammary tumor bearing Sprague-Dawley rats were examined in this study. Myeloid derived suppressor cells (MDSCs) in tumor bearing rats are defined ... -
Adjuvan Radyoterapi Planlanan Jinekolojik Kanserli Olgularda Radyoterapi Sırasındaki Kilo Değişiklikleri ve Organ Hareketlerine Bağlı Dozimetrik Değişikliklerin İncelenmesi
(Kanser Enstitüsü, 2014)In this study, planned curative surgery and postoperative adjuvant radiotherapy (RT), 10 patient with gynecological tumors taken for planning purposes at the beginning of treatment with computed tomography (CT) taken in ... -
All-Trans Retinoik Asit (Atra) ve 1Α,25-Dihidroksivitamin D3 (Vitamin D3) ile Uyarılan Akut Miyeloid Lösemi Hücrelerinin T Hücre Yanıtları Üzerine Etkisi
(Kanser Enstitüsü, 2014)ATRA and D3 are the active metabolites of vitamin A and D, respectively. In this study, HL-60 myeloid leukemia cells were progressed through different maturation stages with ATRA, D3, LPS, and IFN-γ. For the determination ... -
Expression and Functional Analysis of Ccrl2 Atypical Chemokine Receptor Variants on Breast Cancer Cells
(Kanser Enstitüsü, 2014)The complex network of chemokines and chemokine receptors is regulated by atypical (decoy) chemokine receptors. Atypical chemokine receptors play role in the termination of inflammatory responses and CCRL2 is the newest ... -
Expression of Toll Like Receptors in Lung Cancer and Investigating Their Effect on Apoptosis
(Kanser Enstitüsü, 2014)Members of the Toll like receptors (TLRs) family play key roles in both innate and adoptive immune responses. TLRs proteins enable host to recognize a large number of pathogen associated molecular patterns such as bacterial ... -
Meme Kanseri Hücrelerinde Pı-103 Inhibitörünün Aktive Reseptör Tirozin Kinaz Ekspresyonuna Etkisinin Incelenmesi
(Kanser Enstitüsü, 2014)Oncogenic activation of PI3K/Akt/mTOR signaling pathway is frequently seen in breast cancer. Inhibition of signaling pathway by PI3K inhibitors, tyrosine kinase inhibitors and/or monoclonal antibodies causes increase in ... -
Kolon Kanserli Hastalarda Interlökin 21 ve Interlökin32 Gen Ekspesyon Düzeyleri ve Metastaz Ilişkisi
(Kanser Enstitüsü, 2014)Tumor microenvironment contains tumor cells, immune cells, stroma and stroma associated immune cells. This microenvironment of the immune system cells release chemokines and cytokines which play an important role in the ... -
Reproductive Cancer Risk Factors Among Relatives of Cancer Patients Seeking Treatment in Hacettepe University Oncology Hospital
(Kanser Enstitüsü, 2014)This study is an attempt to measure the frequency of specific gynecological cancer risk factors in female relatives of cancer patients. A cancer risk assessment questionnaire had been designed in the Department of Preventive ... -
Vücut Içerisindeki Doku Eşdeğeri Olmayan Implant Materyallerinin Yoğunluk Ayarlı Radyoterapi ve Stereotaktik Radyocerrahi Tedavilerinde Doz Dağılımına Etkisinin İncelenmesi
(Kanser Enstitüsü, 2015)Several cancer patients, who have implant and filling material in their body, are treated with radiotherapy and those materials may cause dosimetric uncertainities during treatment which may not be estimated accurately by ... -
The Effect of Inducıble Costımulatory Lıgand (Icos-Lg) Expressıng Myeloıd Leukemıa Cells on Helper T Lymphocyte Actıvatıon and Exhaustıon
(Kanser Enstitüsü, 2015)T cell exhaustion is characterized by progressive loss of cytokine production, decreased proliferation and resistance to reactivation especially upon continuous antigen stimulation. Despite being potent stimulators of ... -
3 Boyutlu Baskı Teknolojisi Kullanılarak Hastaya Özgün Konturlarla Oluşturulan Fantom Tasarımı ve Üretimi ile Mikro-Çok Yapraklı Kolimatör Tabanlı Beyin ve Başboyun Yoğunluk Ayarlı Radyoterapi Planlarının Kalite Kontrolü
(Sağlık Bilimleri Enstitüsü, 2017)SUNEL, S. Quality control of micro-multileaf collimator based brain and head-and-neck intensity modulated radiotherapy plans with patient-specific phantom design and production using 3D printing technology. Hacettepe ... -
Kronik Periodontiti Olan Hastalarda Kanser İnsidansının Değerlendirilmesi
(Kanser Enstitüsü, 2017)Previous studies have noted possible associations between periodontitis and the risk of various cancers, particularly head and neck cancers, esophageal cancer, lung cancer, pancreatic cancer, breast cancer and non-Hodgkin ... -
Helikal Tomoterapi ile Prostat Işınlamalarında Kritik Organ Dozlarının Cihaz İçi Parametrelere göre Değerlendirilmesi
(Sağlık Bilimleri Enstitüsü, 2017)The treatment planning of Tomotherapy depends on three device parameters, i.e. field width (FW), pitch (P) and modulation factor (MF). Various treatment plans can be generated with different combinations of these parameters. ... -
Gastrointestinal Sistem Kanserli Hastalarda Mide Doluluğunun Radyoterapiye Etkisi
(Kanser Enstitüsü, 2017)In the treatment of gastrointestinal system (GIS) cancers, radiotherapy (RT) is frequently applied as three dimensional conformal RT (3BKRT) or intensity adjusted RT (YART). GIS tumors are very sensitive to environmental ... -
Akciğer Kanserlerinde Stereotaktik Ablatif Beden Radyoterapisinin Toksisite ve Doz - Yanıt İlişkisinin Matematiksel Model ile Görüntü ve Dozimetrik Analizi
(Kanser Enstitüsü, 2017-02-17)In conventional radiotherapy applications, clinicians and physicist rely upon mathematical dose - response models for applied doses to tumor and periphery healthy tissues. However in stereotactic ablative body radiotherapy ... -
Vulva Kanserinde Elektron-YART Hibrit Tedavi Modalitesinin Tedavi Planlama Sistemi ve Dozimetrik Yöntemlerle İncelenmesi
(Sağlık Bilimleri Enstitüsü, 2017-02-20)In recent years, in the treatment of vulvar cancer, intensity modulated radiation therapy (IMRT) have been used instead of 3 dimensional conformal radiotherapy (3DCRT). In this thesis study, 7 patients who were diagnosed ...
