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INDONESIA
Jurnal Radiografer Indonesia
Published by Perhimpunan Radiografer Indonesia
ISSN : 26209950     EISSN : 28077415     DOI : https://doi.org/10.55451/jri.v1i1
Core Subject : Health,
Health Professions
Jurnal Radiografer Indonesia (JRI) merupakan jurnal PARI yang berisi tulisan ilmiah di bidang radiologi, antara lain Radiografi Konvensional, Radiografi Digital, CT Scan, MRI, Kedokteran Nuklir, Radioterapi dan Ilmu-ilmu terkait lainnya dalam Radiologi.
Arjuna Subject : Profesi Kesehatan - Teknologi Ultrasound dan Radiologi
Articles 112 Documents
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Penentuan Margin Planning Target Volume (PTV) Radioterapi dengan Teknik IMRT Kasus Kanker Nasofaring Sitti Fathul Jannah; Dewang, Syamsir; Male, Satrial
JRI (Jurnal Radiografer Indonesia) Vol. 7 No. 2 (2024): November
Publisher : Perhimpunan Radiografer Indonesia (PARI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55451/jri.v7i2.292

Abstract

Background: This research was conducted to determine PTV margins from the results of geometry verification using 3 calculation formulas for nasopharyngeal cancer cases with Intensity Modulated Radiation Therapy (IMRT) techniques and recommend the most suitable calculation method for determining PTV margins. Verification is important to determine whether there is a shift in radiotherapy planning. Geometry errors or shifts were analyzed to obtain PTV margin values and reduce setup errors including systematic and random errors. Methods: This type of research is quantitative research with interactive methods, interviews, documentation, and data collection of patient verification results. Geometry verification was carried out 3 times in the first fraction, 10th fraction, and 20th fraction using Electronic Portal Imaging Device (EPID) for nasopharyngeal cancer (KNF) cases at Radiotherapy Installation Pelamonia Hospital Makassar. Results: The results showed that the random error was greater than the systematic error, indicating that it is more difficult to correct the random error due to its changing value. This occurs due to the movement of the organ around the target. Conclusions: The PTV margin values in each formula were found to be 10.31 cm x-axis; 8.47 cm y-axis; and 60.34 cm z-axis using the Van Herk formula. The PTV margin using Stroom formula was 8.79 cm x axis; 7.15 cm y-axis; and 51.47 cm z-axis. The PTV margin using the ICRU 62 formula was 4.90cm x axis; 3.75cm y-axis; and 28.92cm z-axis. Van Herk's formula PTV margin is recommended based on the lowest percentage shift that lies outside the PTV margin.
Analisis Pengaruh Variasi Usia Pada Delay Fase Nefrogram terhadap Enhancement Citra Anatomi Renalis Dalam CT Scan Urologi Putra, Ryvando Anggrian Damara; Prananto, Legia; Prawestri, Retno
JRI (Jurnal Radiografer Indonesia) Vol. 7 No. 2 (2024): November
Publisher : Perhimpunan Radiografer Indonesia (PARI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55451/jri.v7i2.313

Abstract

Background: Technically, this research perform CTScans Urology examination using contrast media undertaken at Tangerang Regional General Hospital (RSUD) using delay in 10 second nephrogram phase after conducting arterial scanning over all age variations. This matter is purposely conducted to know whether there is any different influence of renal image enhancement grade over the age variation in the use of delay of nephrogram phase in CT Scans Urology examination, whereas according to the literature, the use of delay on nephrogram phase is 90-110 seconds after the injection of contrast media. Methods: This research applies quantitative method with analytic approach. This research was undertaken in Tangerang Regional General Hospital starting from February up to April 2024. As for the population of this research, they are all the results of CTScans Urology examination executed in Tangerang Regional Hospital conducted starting from February up to April 2024 with as many as 14 patients. Thereafter, the samples used in this research are secondary data with purposive sampling technique as many as 10 samples from the results of CT Scans Urology examination. Results: The results, at the age of ≤ 40 years has grade point average of enhancement 91.92 HU, meanwhile at the age of ≥ 41 years has a grade point average of enhancement 83.84 HU. Conclusions: Can be concluded that there is a different grade point average between the age of ≤ 40 years and the age of ≥ 41 years, however there is not any significant influence if it is seen from the result of T Test test.

Page 12 of 12 | Total Record : 112

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