نتایج جستجو برای: dvh
تعداد نتایج: 574 فیلتر نتایج به سال:
AMAÇ: Çalışmada, pelvik radyoterapi ve prostata eşzamanlı ek doz (SIB) uygulanmış prostat kanserli hastalarda, konformal (3BKRT) çalışması temel alınarak, 3 farklı Yoğunluk Ayarlı Radyasyon Tedavisi (IMRT) tedavi tekniğine ait iki Uygunluk indeksi (CI), Kritik Organ Skorlama İndeksi (COSI), Tümör Kontrol Olasılığı (TCP) Normal Dolu Komplikasyon (NTCP) hesaplamaları ile Doz Volüm Histogramları (...
The purpose of this study is to evaluate dose-volume histogram (DVH) predictors for the development of chronic gastrointestinal (GI) complications in patients with cervical cancer who have undergone postoperative concurrent chemotherapy and whole-pelvic radiation therapy (WPRT). The subjects were 135 patients who had undergone postoperative WPRT with concurrent nedaplatin-based chemotherapy bet...
We adapted the deformable image registration (DIR) technique to accurately calculate the cumulative intracavitary brachytherapy (ICBT) and external beam radiotherapy (EBRT) rectal dose for treating uterine cervical cancer. A total of 14 patients with primary cervical cancer radically treated with ICRT and EBRT were analysed using the Velocity AI(TM) software. Computed tomography (CT) images wer...
We compared the implant quality of intraoperatively built custom-linked (IBCL) seeds with loose seeds in permanent prostate brachytherapy. Between June 2012 and January 2015, 64 consecutive prostate cancer patients underwent brachytherapy with IBCL seeds (n = 32) or loose seeds (n = 32). All the patients were treated with 144 Gy of brachytherapy alone. Brachytherapy was performed using a dynami...
Modern treatment planning systems provide accurate dosimetry in heterogeneous media (such as a patient' body) with the help of tissue characterization based on computed tomography (CT) number. However, CT number depends on the type of scanner, tube voltage, field of view (FOV), reconstruction algorithm including artifact reduction and processing filters. The impact of these parameters on CT to ...
Ž . This study was based on blacklip pearl oyster Pinctada margaritifera juveniles, that were hatchery-reared and 8 months old. They were held for 5 months in suspended culture using five Ž . culture techniques: in 24-pocket juvenile panel nets PN24 ; enclosed within 5-mm plastic mesh Ž . ‘inserts’ placed in the pockets of eight-pocket adult panel nets PN8 ; in 5-mm plastic mesh inserts Ž . Ž ....
PURPOSE To report the local control, survival, and low toxicity observed at the Cooper University Hospital CyberKnife Center post stereotactic body radiation therapy (SBRT) in the treatment of lung tumors near the mediastinum. METHODS AND MATERIALS Twenty-four medically inoperable lung cancer patients with tumors near the mediastinum were treated using the Accuray CyberKnife system (Accuray, ...
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