2019
DOI: 10.19113/sdufenbed.544773
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Bilgisayarlı Tomografi Çekimlerinde Hastanın Yakın Çevresinde Radyasyon Dozu Ölçümleri

Abstract: İyonize radyasyonun en yoğun kullanıldığı görüntüleme yöntemlerinden biri bilgisayarlı tomografi (BT) dir. Bilgisayarlı tomografi çekimlerinde X-ışınları kullanılır. Çekim sırasında X-ışınlarının bir kısmı, radyasyon fiziği yasalarına göre hastadan ve sistemden çevreye saçılır. Bu saçılan radyasyondan kaynaklanan radyasyon dozunun belirlenmesi hasta, hastaya eşlik etme zorunda kalan hasta yakını ve sağlık çalışanları açısından önemlidir. Bu çalışmanın amacı BT görüntülemesi sırasında hastadan ve ortamdaki çeşi… Show more

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Cited by 3 publications
(6 citation statements)
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“…The Alderson Rando Phantom (ART) utilized in our research emulates the physique of a woman (fig- 1) standing 155cm tall and weighing 50kg [6]. This phantom serves as a pivotal tool in gauging radiation levels, offering highly precise outcomes in simulated human dosimetric assessments.…”
Section: Methodsmentioning
confidence: 99%
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“…The Alderson Rando Phantom (ART) utilized in our research emulates the physique of a woman (fig- 1) standing 155cm tall and weighing 50kg [6]. This phantom serves as a pivotal tool in gauging radiation levels, offering highly precise outcomes in simulated human dosimetric assessments.…”
Section: Methodsmentioning
confidence: 99%
“…The material composing the ART phantom has a density of 0.985 g/cm³. This approach ensures accurate and controlled measurements of radiation dosage in specific areas of interest [6]. LiF:Mg,Ti material, chosen for its close equivalence to human tissue.…”
Section: Methodsmentioning
confidence: 99%
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“…Calibration of the used dosimeter chips and their readings after imaging with a C-arm fluoroscope were conducted at the Secondary Standard Dosimetry Laboratory (SSDL) located at the TENMAK Çekmece Nuclear Research Center. The readings of radiation dose measurements were performed using a Harshaw 4500 model reader connected to a computer via WinREMS software [32]. Nitrogen gas, which generates heat, is employed to warm up the TLD reading system.…”
Section: Methodsmentioning
confidence: 99%
“…Nitrogen gas, which generates heat, is employed to warm up the TLD reading system. Using a typical Cs-137 gamma source, measurements were performed at SSDL in accordance with the instructions provided in the WinDEMS software user manual to determine the Element Correction Coefficients (ECCs) for the TLD chips and Reader Calibration Factor (RCF) for the TLD reader [32]. The calibration of the reader was carried out using Cs-137 source and Yxlon International MGC 41 model X-ray system.…”
Section: Methodsmentioning
confidence: 99%