Comparison between MCNP and planning system in brachytherapy of cervical cancer

Krstić, Dragana; Nikezić, D.; Jeremic, Marija; Dolicanin, Edin; Miladinović, T. B.; Zivkovic, Milena

doi:10.1016/j.apradiso.2022.110614

Cited by 2 publications

(3 citation statements)

References 26 publications

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“…It is crucial to use the proposed soft solid gel to avoid the temperature impact on the ultrasound probe. Traditional gels tend to dry out after approximately 15 min, leading to a degradation in image quality during diagnostic evaluations [36][37][38][39][40][41][42][43][44], although there are existing research results that indicate images come out better in obese patients [45]. The experimental results, as shown in Table 2, indicate that the gel began to dry out around 15 min.…”

Section: Discussionmentioning

confidence: 99%

“…It should be non-toxic for specific applications in the human body and enhance tissue visualization in ultrasound imaging. Based on a video comparison evaluation between the proposed soft solid gel and the conventional soft solid gel, the proposed soft solid gel exhibited excellent image quality [41,42]. In this context, the material must be used for the gelatin powder due to higher thermal conductivity compared to that of conventional gel material [27].…”

Section: Minmentioning

confidence: 99%

Section: Minmentioning

confidence: 99%

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Development of an Artificial Soft Solid Gel Using Gelatin Material for High-Quality Ultrasound Diagnosis

Kim,

Yoon,

Lee

et al. 2024

Diagnostics

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For ultrasound diagnosis, a gel is applied to the skin. Ultrasound gel serves to block air exposure and match impedance between the skin and the probe, enhancing imaging efficiency. However, if use of the ultrasound gel exceeds a certain period of time, it may dry out and be exposed to air, causing impedance mismatch and reducing imaging resolution. In such cases, the use of a soft, solid gel proves advantageous, as it can be employed for an extended period without succumbing to the drying phenomenon and can be reused after disinfection. Its soft consistency ensures excellent skin adhesion. Our soft solid gel demonstrated approximately 1.2 times better performance than water, silicone, and traditional ultrasound gels. When comparing the dimensions of grayscale, dead zone, vertical, and horizontal regions, the measurements for the traditional ultrasound gel were 93.79 mm, 45.32 mm, 103.13 mm, 83.86 mm, and 83.86 mm, respectively. In contrast, the proposed soft solid gel exhibited dimensions of 105.64 mm, 34.48 mm, 141.1 mm, and 102.8 mm.

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Section: Discussionmentioning

confidence: 99%

Section: Minmentioning

confidence: 99%

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Development of an Artificial Soft Solid Gel Using Gelatin Material for High-Quality Ultrasound Diagnosis

Kim,

Yoon,

Lee

et al. 2024

Diagnostics

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Utilization of three-layers heterogeneous mammographic phantom through MCNPX code for breast and chest radiation dose levels at different diagnostic X-ray energies: A Monte Carlo simulation study

ALMisned

Elshami²,

Kılıç³

et al. 2023

Front. Public Health

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IntroductionWe report the breast and chest radiation dose assessment for mammographic examinations using a three-layer heterogeneous breast phantom through the MCNPX Monte Carlo code.MethodsA three-layer heterogeneous phantom along with compression plates and X-ray source are modeled. The validation of the simulation code is obtained using the data of AAPM TG-195 report. Deposited energy amount as a function of increasing source energy is calculated over a wide energy range. The behavioral changes in X-ray absorption as well as transmission are examined using the F6 Tally Mesh extension of MCNPX code. Moreover, deposited energy amount is calculated for modeled body phantom in the same energy range.Results and discussionsThe diverse distribution of glands has a significant impact on the quantity of energy received by the various breast layers. In layers with a low glandular ratio, low-energy primary X-ray penetrability is highest. In response to an increase in energy, the absorption in layers with a low glandular ratio decreased. This results in the X-rays releasing their energy in the bottom layers. Additionally, the increase in energy increases the quantity of energy absorbed by the tissues around the breast.

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Comparison between MCNP and planning system in brachytherapy of cervical cancer

Cited by 2 publications

References 26 publications

Development of an Artificial Soft Solid Gel Using Gelatin Material for High-Quality Ultrasound Diagnosis

Development of an Artificial Soft Solid Gel Using Gelatin Material for High-Quality Ultrasound Diagnosis

Utilization of three-layers heterogeneous mammographic phantom through MCNPX code for breast and chest radiation dose levels at different diagnostic X-ray energies: A Monte Carlo simulation study

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