Browsing by Author "Küçükmorkoç, Esra"
Now showing items 1-15 of 15
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The analysis of different diagonal profiles Used for commissioning in eclipse
Mabhouti, H.; Acar, Hilal; Küçük, Nadir; Küçükmorkoç, Esra; Doyuran, Mine; Çağlar, Mustafa; Altınok, Ayşe; Cebe, Mehmet; Yıldır, G.; Çağlar, Hale Başak (American Association of Physicists in Medicine, 2015)Purpose: The effect of diagonal profiles measured with different types of detectors to the improvement of the quality of the algorithm configuration is analysed. Methods: For commissioning of Truebeam STx machine, Eclipse ... -
The analysis of different percentage depth dose curves used for commissioning in eclipse
Cebe, Mehmet; Acar, Hilal; Küçük, Nadir; Küçükmorkoç, Esra; Doyuran, Mine; Çağlar, Mustafa; Altınok, Ayşe; Yilidir, G.; Mabhouti, H.; Çağlar, Hale (Wiley, 2015)Purpose: Percentage Depth Doses (PDDs) used for balance fitting of the calculation model in Eclipse. The effect of PDD curves measured with two different detectors for the commissioning of Truebeam STx machine to the ... -
Boost volume assessment in breast cancer: Preop tumor volume vs clips used in oncoplastic surgery
Altınok, Ayşe Yıldrım; Doyuran, Mine; Çağlar, Mustafa; Canoğlu, Doğu; Küçükmorkoç, Esra; Acar, Hilal; Küçük, Nadir; Çağlar, Hale Başak (Elsevier Ireland Ltd, 2016)The aim of this study was to compare the volumes obtained with surgical clips during breast conserving surgery of breast cancer patients with volume determined using FDG positive tumor volumes outlined ... -
Deformable MRI fusion for intracranial SRS: Can we trust?
Çağlar, Hale; Küçükmorkoç, Esra; Küçük, Nadir; Altınok, Ayşe; Acar, Hilal; Doyuran, Mine (Elsevier İreland Ltd., 2015)Purpose/Objective: The aim of this study is to evaluate the reliability of MRI fusion for the determination of target volume when performing CT based intracranial stereotactic radiosurgery. Materials and Methods: Patients ... -
Does preoperative positron emission tomography help delineate the boost volume after oncoplastic surgery for breast cancer?
Yıldırım Altınok, Ayşe; Doyuran, Mine; Çağlar, Mustafa; Çakır, Tansel; Acar, Hilal; Küçükmorkoç, Esra; Küçük, Nadir; Çağlar, Hale; Atasever, Tamer (Kare Publishing, 2017)OBJECTIVE The tumor bed within the breast shifts during oncoplastic surgery (OPS) for breast cancer (BC). Preoperative imagery is used to determine the boost volume (BV) for patients not implanted with surgical clips. This ... -
The effect of depth and control point number for MLC transmission and dosimetric leaf gap
Küçükmorkoç, Esra; Doyuran, Mine; Çağlar, Mustafa; Küçük, Nadir; Acar, Hilal; Altınok, Ayşe; Çağlar, Hale (Elsevier Ireland Ltd., 2015)Purpose/Objective: MLC transmision (MLCT) and dosimetric leaf gap (DLG) in Treatment Planning System (TPS) are important parameters for dose calculation and they provide accuracy of delivering IMRT plans. MLCT and DLG ... -
The effect of thermoplatic mask to the surface dose in sterotactic brain treatments with flattening filter free beams with ebt3 gafchromic film and osl dosimeter
Yılıdır, G.; Acar, Hilal; Küçük, Nadir; Küçükmorkoç, Esra; Doyuran, Mine; Çağlar, Mete; Yıldırım Altınok, Ayşe; Cebe, Mehmet Ata; Mabhouti, H.; Çağlar, Hale Başak (American Association of Physicists in Medicine, 2015)AbstractPurpose:The surface dose of flattening filter free beams is higher than conventional flattening filter beams. In this study, The effect of thermoplatic mask to the surface dose in sterotactic brain treatments was ... -
Evaluation of interfractional bladder doses for two different patient positioning methods in prostate cancer
Altınok, Ayşe; Acar, Hilal; Rzazade, Rashad; Küçük, Nadir; Küçükmorkoç, Esra; Doyuran, Mine; Mabhouti, H.; Çağlar, Hale Başak (Elsevier Ireland Ltd., 2015)Purpose/Objective: MR imaging following needle implantation in high dose rate brachytherapy (HDR BT) provide more anatomical details for improved definition of the prostate gland, organs at risk, and needles. The purpose ... -
Feasibility investigation of prone position robotic radiosurgery treatment for dorsal metastasis
Küçükmorkoç, Esra; Küçük, Nadir; Doyuran, Mine; Acar, Hürtan; Canoğlu, Doğu; Rashad, Radwaa; Çağlar, Hale Başak (Elsevier Ireland Ltd, 2017)The combination of Adaptive Radiotherapy (ART) and VMAT allows to create more conformal plans for patients with bladder cancer without risk of missing target during changes of bladder volume and shape. Relative position ... -
How to decrease spine dose in patients who underwent sterotactic spine radiosurgery?
Acar, Hacı Mehmet; Altınok, Ayşe Selcen; Küçükmorkoç, Esra; Küçük, Nadir; Çağlar, Hacer (Wiley, 2014)Purpose: Stereotactic radiosurgery for spine metastases involves irradiation using a single high dose fraction. The purpose of this study was to dosimetrically compare stereotactic spine radiosurgery(SRS) plans using a ... -
Investigation of the accuracy of different lung SBRT plans created in eclipse treatment planning system
Yıldırım, Sami; Cebe, Mehmet Ata; Mabhouti, H.; Paçacı, P.; Serin, Elise A. R.; Şanlı, Elif; Eşitmez, Dursun; Küçük, Nadir; Doyuran, Mina; Küçükmorkoç, Esra; Çağlar, Mete; Canoğlu, Doğu; Rzazade, Rashad; Acar, Hilal; Özkök, H. Çağlar (Wiley, 2017)… -
Investigation of the accuracy of different lung SBRT plans created in multiplan treatment planning system
Cebe, Mehmet Ata; Mabhouti, H.; Pacaci, P.; Serin, L.; Şanlı,Elif; Yıldırım, Sami; Eşitmez, Dursun; Küçük, Nadir; Doyuran, Mine; Küçükmorkoç, Esra; Çağlar, Mete; Canoğlu, Doğu; Rzazade, Rashad; Acar, Hilal; Özkök, H. Çağlar (Wiley, 2017)... -
Repeat CT imaging and adaptive planning during radiotherapy for locally advanced lung cancer
Küçükmorkoç, Esra; Acar, Hilal; Yıldırım Altınok, Ayşe; Sertkaya, Helin; Omurca, A.; Aydemir, Selcen; Çağlar, Hale (Elsevier Ireland Ltd, 2014)Purpose/Objective: Many patients with lung cancer have tumor changes like shrinkage, improvement in atelectasis or mediastinal replacement during radiotherapy. The aim of this study was to determine the dosimetric effects ... -
Use of MRI fusion for CT based intracranial stereotactic radiosurgery
Çağlar, Hale Başak; Yıldırım Altınok, Ayşe; Küçükmorkoç, Esra; Acar, Hilal; Küçük, Nihal (Oxford University Press Inc, 2014)The aim of this study is to evaluate the reliability of MRI fusion when determining intracranial target volume when performing CT based intracranial stereotactic radiosurgery. Patients treated with CT based intracranial ...
