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EVALUASI PENERIMAAN DOSIS RADIASI PADA PEKERJA RADIASI DI INSTALASI RADIOLOGI RSUD WONOSARI Roo'in Mas'uul, Ali; Putro, Wahyu Murti Cahyo; Marlina, Dina; Budiyono, Tris; Handoyo, Junaidi Eko
Kaunia: Integration and Interconnection Islam and Science Journal Vol. 19 No. 2 (2023)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.4243

Abstract

Radiation workers, who routinely utilize radiation sources, face a high risk due to prolonged exposure to low doses of radiation. The radiation dose for radiation workers must remain low to not exceed the specified dose limits. The specified dose limits for radiation workers is 20 mSv per year or 100 mSv within 5 years. This study aims to determine the radiation dose outcomes received by radiation workers and their correlation with the number of radiological examinations in the last 5 years at the Radiology Department of RSUD Wonosari. The research was conducted as a quantitative study with a survey approach, and the data were obtained from the receipt of film badge usage reports over a period of five years, as well as data on the number of radiological examinations conducted over the same five-year period in the Radiology Department of RSUD Wonosari. The results of the study indicate that the radiation dose received by radiology personnel at RSUD Wonosari in the last 5 years does not exceed the specified dose limits set by and has a low correlation with the number of radiology examinations conducted in the facility.
Informasi Citra Anatomi CT Scan Kepala pada Kasus Stroke Iskemik dengan Variasi Windowing Putro, Wahyu Murti Cahyo; Sulaksono, Nanang; Wibowo, Ardi Soesilo
Jurnal Imejing Diagnostik (JImeD) Vol 11, No 2 (2025): JULY 2025
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v11i2.13190

Abstract

Background: Ischemic stroke is a critical condition detectable through head CT scans, where windowing techniques significantly enhance brain tissue visualization. At Bethesda Hospital Yogyakarta, differing windowing protocols are used in the Emergency and Main Radiology Departments, yet no standardized stroke-specific window has been established. This study aims to identify the differences in anatomical information in head CT scans with various windowing settings and to determine the most optimal windowing protocol.Methods: This research is a quantitative-experimental study conducted at Bethesda Hospital Yogyakarta involving 10 patients with ischemic stroke, using variations of windowing settings: WW 120 HU WL 60 HU, WW 100 HU WL 35 HU, and WW 40 HU WL 40 HU. The image results were evaluated by two respondents based on the anatomical information of brain parenchyma, insular cortex, internal capsule, left and right cerebral hemispheres, and brain sulci. The data analysis was performed using the Friedman statistical test.Results: The results of the study showed that the WW 100 HU WL 35 HU setting provided the most informative anatomical visualization across all evaluated brain structures. In contrast, WW 120 HU WL 60 HU was the least informative for the brain parenchyma and insular cortex, while WW 40 HU WL 40 HU offered moderate clarity for most structures but was suboptimal for the brain parenchyma. These differences were confirmed by the Friedman test, with a p-value 0.05.Conclusions: There were differences in anatomical information across the various windowing settings in head CT scan examinations for ischemic stroke cases. In addition, the highest overall and individual anatomical mean rank was found in the WW 100 HU WL 35 HU windowing setting, with a value of 2.95.
Informasi Citra Anatomi CT Scan Kepala pada Kasus Stroke Iskemik dengan Variasi Windowing Putro, Wahyu Murti Cahyo; Sulaksono, Nanang; Wibowo, Ardi Soesilo
Jurnal Imejing Diagnostik (JImeD) Vol. 11 No. 2 (2025): JULY 2025
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v11i2.13190

Abstract

Background: Ischemic stroke is a critical condition detectable through head CT scans, where windowing techniques significantly enhance brain tissue visualization. At Bethesda Hospital Yogyakarta, differing windowing protocols are used in the Emergency and Main Radiology Departments, yet no standardized stroke-specific window has been established. This study aims to identify the differences in anatomical information in head CT scans with various windowing settings and to determine the most optimal windowing protocol.Methods: This research is a quantitative-experimental study conducted at Bethesda Hospital Yogyakarta involving 10 patients with ischemic stroke, using variations of windowing settings: WW 120 HU WL 60 HU, WW 100 HU WL 35 HU, and WW 40 HU WL 40 HU. The image results were evaluated by two respondents based on the anatomical information of brain parenchyma, insular cortex, internal capsule, left and right cerebral hemispheres, and brain sulci. The data analysis was performed using the Friedman statistical test.Results: The results of the study showed that the WW 100 HU WL 35 HU setting provided the most informative anatomical visualization across all evaluated brain structures. In contrast, WW 120 HU WL 60 HU was the least informative for the brain parenchyma and insular cortex, while WW 40 HU WL 40 HU offered moderate clarity for most structures but was suboptimal for the brain parenchyma. These differences were confirmed by the Friedman test, with a p-value < 0.05.Conclusions: There were differences in anatomical information across the various windowing settings in head CT scan examinations for ischemic stroke cases. In addition, the highest overall and individual anatomical mean rank was found in the WW 100 HU WL 35 HU windowing setting, with a value of 2.95.