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All Journal Jurnal Imejing Diagnostik
Panji Wibowo Nurcahyo, Panji Wibowo
Technic of Radiodiagnostic and Radiotherapy Department, Polytechnic Health Ministry of Semarang
Health Professions Medicine & Pharmacology

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Perbedaan Nilai Dosis Radiasi Permukaan Kulit Gonad pada Radiografi Abdomen Antero Posterior pada Nilai mA dan s Berbeda dengan Nilai mAs yang Sama Isnoviasih, Susi Tri; Bequet, Angga Yosainto; Nurcahyo, Panji Wibowo; Puspita, Mega Indah; Putri, Nabila Pramitya; Mufida, Widya
Jurnal Imejing Diagnostik (JImeD) Vol 11, No 1 (2025): JANUARY 2025
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v1i1.12308

Abstract

Background: Abdominal radiography examination is one of the examinations that is often carried out and contains radiosensitive organs, namely the gonads. Milli Ampere Second (mAs) is one of the parameters regulated in making radiographs besides kV. mAs is the product of mA and s and there are often variations in the use of mA and s values to produce the same mAs value. This study's objective was to identifythe difference in radiation dose values for the surface of the gonad skin on anteroposterior abdominal radiographs with changes in different combinations of mA and s values.sMethods: This is pre-experimental quantitative research. The research object is body phantom. Data were collected by exposing abdomen radiography the body phantom and measured the amount of radiation dose to the skin surface of the gonad. mA and s setting : 160 mA 125 ms; 200 mA 100 ms; dan 250 mA 80 ms. Data analysis was carried out using statistical tests.Results: The average radiation dose to the skin surface of the gonad organs in the combination is 160 mA 125 ms; 200 mA 100 ms; and 250 mA 80 ms, namely 883.27 µGy; 883.09 µGy; and 883.72 µGy. Statistical test results show there is no significant difference between the combination of 160 mA 125 ms; 200 mA 100 ms; and 250 mA 80 ms, namely 883.27 µGy; 883.09 µGy with a significance of 0.748 (p-value 0.05). mAs determine the intensity of X-rays; the number of X-rays produced is proportional to milliamperes. As long as the mAs value remains constant, the amount of radiation intensity produced is the same, and the radiation dose is sameConclusions: There is no significant difference in the value of radiation dose to the skin surface of the gonad area on abdominal radiography with different combinations of mA and s values at the same mAs value
Nilai Entrance Skin Dose Tiroid antara menggunakan Thyroid Shield dan tanpa Thyroid Shield pada Pemeriksaan CT Scan Kepala Bequet, Angga Yosainto; Nurcahyo, Panji Wibowo; Isnoviasih, Susi Tri
Jurnal Imejing Diagnostik (JImeD) Vol. 10 No. 1: JANUARY 2024
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v10i1.10816

Abstract

Background: CT scans have a much greater dose than conventional radiographic examinations. The thyroid organ is an organ that is sensitive to radiation which is located near the head, precisely in the inferior part of the head so that when a CT scan of the head is carried out, the thyroid organ will be exposed to radiation. The aim of this study was to determine the difference in thyroid skin dose entry value between using a thyroid shield and without a thyroid shield on a head CT scan.Methods: This study is a type of quantitative research with a pre-experimental design. The object of research is Entrance Skin Dose (ESE) of ThyroidOrgan on non-contrast head CT Scan examination. The research location is at the Radiology Department at the Regional General Hospital Prof. Dr. Margono Soekarjo Purwokerto. Sample data number is 50 people (25 samples of non-contrast head CT scans without thyroid shield, and 25 samples of non-contrast head CT scans with thyroid shield. Data was obtained by measuring the radiation dose using a dosimeter placed over the thyroid area during a non-contrast CT scan between using a thyroid shield and without using a thyroid shield. Data analysis was performed using statistical tests Results: The results of measuring the radiation dose to the samples showed that the average radiation dose to the skin surface of the thyroid organ on a non-contrast CT scan without using a thoracic shield was 884.96 µSv and using a thyroid shield was 428.64 µSv. This shows that the average radiation dose from the skin surface of the thyroid organ decreased by 456.32 µSv (51.56%).Conclusions: There is a significant difference in the amount of radiation dose to the surface of the skin of the thyroid organ in non-contrast head CT scans between using a thyroid shield and without using a shield with a dose reduction of 51.6% of the radiation dose without using a thyroid shield.
Perbedaan Nilai Dosis Radiasi Permukaan Kulit Gonad pada Radiografi Abdomen Antero Posterior pada Nilai mA dan s Berbeda dengan Nilai mAs yang Sama Isnoviasih, Susi Tri; Bequet, Angga Yosainto; Nurcahyo, Panji Wibowo; Puspita, Mega Indah; Putri, Nabila Pramitya; Mufida, Widya
Jurnal Imejing Diagnostik (JImeD) Vol. 11 No. 1 (2025): JANUARY 2025
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v1i1.12308

Abstract

Background: Abdominal radiography examination is one of the examinations that is often carried out and contains radiosensitive organs, namely the gonads. Milli Ampere Second (mAs) is one of the parameters regulated in making radiographs besides kV. mAs is the product of mA and s and there are often variations in the use of mA and s values to produce the same mAs value. This study's objective was to identifythe difference in radiation dose values for the surface of the gonad skin on anteroposterior abdominal radiographs with changes in different combinations of mA and s values.sMethods: This is pre-experimental quantitative research. The research object is body phantom. Data were collected by exposing abdomen radiography the body phantom and measured the amount of radiation dose to the skin surface of the gonad. mA and s setting : 160 mA 125 ms; 200 mA 100 ms; dan 250 mA 80 ms. Data analysis was carried out using statistical tests.Results: The average radiation dose to the skin surface of the gonad organs in the combination is 160 mA 125 ms; 200 mA 100 ms; and 250 mA 80 ms, namely 883.27 µGy; 883.09 µGy; and 883.72 µGy. Statistical test results show there is no significant difference between the combination of 160 mA 125 ms; 200 mA 100 ms; and 250 mA 80 ms, namely 883.27 µGy; 883.09 µGy with a significance of 0.748 (p-value > 0.05). mAs determine the intensity of X-rays; the number of X-rays produced is proportional to milliamperes. As long as the mAs value remains constant, the amount of radiation intensity produced is the same, and the radiation dose is sameConclusions: There is no significant difference in the value of radiation dose to the skin surface of the gonad area on abdominal radiography with different combinations of mA and s values at the same mAs value
Co-Authors Angga Yosainto Bequet Puspita, Mega Indah Putri, Nabila Pramitya Susi Tri Isnoviasih Widya Mufida, Widya