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EFFECT OF RECEIVE BANDWIDTH’S VARIATION TO SIGNAL TO NOISE RATIO (SNR) AND CONTRAST TO NOISE RATIO (CNR) ON MRI EXAMINATION OF CERVICAL WITH T2 WEIGHTED FAST SPIN ECHO SEQUENC HERNIA NUCKLEUS PULPOSUS (HNP) CASE Muhammad Raizal Rais; Bagus Abimanyu; Darmini Darmini
Jurnal Imejing Diagnostik (JImeD) Vol 4, No 2: July 2018
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v4i2.4009

Abstract

Background : The received bandwidth parameter is a parameter that can affect the value of SNR and CNR. The use of bandwidth value on the MRI 1.5 Tesla for cervical MRI examination with T2 Weighted Fast Spin Echo sequence axial used a value of 27.87Hz/px. By doing the variation of bandwidth, the quality of SNR and CNR image is different. The purpose of this study is to determine the effect of bandwidth variation on SNR and CNR. To know the optimal value of receive bandwidth variation on cervical MRI examination with T2 Weighted Fast Spin Echo sequence in Herniated Nuckleus Pulposus (HNP) case.Methods : This type of research is qualitative research with experimental approach. This study was conducted using MRI GE 1.5 Tesla at Bethesda Hospital Yogyakarta. Data in the form of 10 images of cervical MRI T2 FSE axial slice of 10 patients with 3 received bandwidth variation (20.83Hz / px, 27.87Hz / px and 31.25Hz / px). To determine SNR and CNR values, Region of Interest (ROI) with size 1mm2 were placed on Discus Intervertebralis, Cerebrospinal Fluid, Spinal Cord and Ligament Flavum. And to get the average value of the signal then the averageof signal was divided by the standard deviation from the background. The analysis was done by linear regression test and friedman mean rank test.Results : The result of research shows that there is influence between receive bandwidth variation on SNR and CNR cervical. The value of 20,83Hz/px receive bandwidth variation in cervical MRI examination with T2 Weighted Fast Spin Echo sequence result in optimal SNR and CNR value.Conclusion : There was the effect of the receive bandwidth of the SNR and CNR on MRI cervical sequences T2WI FSE axial. Receive Bandwidth optimum value in MRI cervical T2WI FSE axial is 20,83Hz/px.
Analisa Penerimaan Dosis Radiasi Permukaan Kulit pada Pemeriksaan Radiografi Thorax Proyeksi Postero Anterior (PA) Darmini Darmini; Arum Dwi Afriyani; Dwi Rochmayanti
Jurnal Imejing Diagnostik (JImeD) Vol 1, No 1: January 2015
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v1i1.3147

Abstract

Background:Increasing tube voltage which balanced with decreasing tube current and exposure time, it can decrease patient dose. base on optimization principle of radiation protection and radiation safety, it must be some effort in order to make patient dose minimally as it needed to get diagnostic information. The purpose of this research are to find out radiation dose on kV which usually use in Radiology Departement, radiation dose on kV with higher than usual, and two find out radiation dose acceptance on both of technique was appropriate with reference dose that set by BAPETEN.Methods : Type of this research was quantitative research with experimental approach. This research took place in laboratory 2 JTRR Semarang. This research had been done by illumination chest phantom which completed with TLD (Thermoluminisense Dosimeter) placed correct on central point on MSP (Mid Sagital Plane) as level as angulus inferior scapulae. Analyze data had been shown used  tables by average accounting, compare between acceptance radiation dose on kV which usually use in Radiology Departement and on kV with higher than usual, and compare result radiation dose with reference dose that set by BAPETEN.Results :The result of this research shown that there was difference acceptance radiation dose entrance skin on chest examination in postero-anterion projection on  tube voltage which usually use in Radiology Departement, radiation dose on  tube voltage with higher than usual. The average value of radiation dose on kV usually use in Radiology Departement was 0,059 mGy, while on tube voltage with higher than usual the average value of radiation dose was 0.020 mGy. The result of testing that used kV with higher than usual, acceptance radiation dose entrance skin which accepted was lower than on tube voltage usually use in Radiology Departement. The result of radiation dose on tube voltage usually use in Radiology Departement although used tube voltage with higher than usual, its value were lower than reference dose, it was 0,4 mGy that set by BAPETEN.Conclusion : Based on these results, using a higher tube voltage than is usually very useful to reduce the radiation dose received by the patient, then this technique should be applied in Radiology for the examination of the thorax with the PA that has a projection plane X-ray modality with high capability above 100 kV.
Analisis Pemilihan Region of Interest (RoI) pada Magnetic Resonance Spectroscopy (MRS) Anita Nur Mayani; Gatot Murti Wibowo; Darmini Darmini
Jurnal Imejing Diagnostik (JImeD) Vol 2, No 2: July 2016
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v2i2.3172

Abstract

Background: Magnetic Resonance Spectroscopy (MRS) is an advance examination of MRI which produces a spectra describes metabolic information of tissues. ROI setting was very important in producing the spectra with diagnostic value that called Full-Width at Half Maximum (FWHM). In clinical applications, Radiographers select several ROIs in obtaining FWHM values without any specific benchmark which in turn directly affects on the accuracy of staging brain tumor. This study aims to examine the FWHM profiles based on the ROI selections, and to determine the effect of selected ROIs to FWHM values.Methods: This research was a quantitative study with an experimental approach. Data were assessed by an expert Radiographer during a period of 30 days on June 2016 in Radiology Department of Siloam Kebon Jeruk Jakarta Hospital using a specific bottle phantom MRI 2000 ml. The phantom was scanned with 1.5 Tesla MRI scanner, wuth various selection of the ROIs sized 20 mm, 25 mm, 30 mm, 35 mm and 40 mm at the centre position, 12 o'clock position, 3 o'clock position, 6 o'clock position and 9 o'clock position. Data was analyzed using linier regression test of SPSS V.16 software. The confident interval of influence of the ROI size in producing FWHM values was 95%.Results: The results showed the optimum FWHM values, 12-20, produced from the ROI size of 20-30 mm at the centre position. Regression analysis showed significant result (p-value 0.05), which was null hypothesis was rejected. It can be concluded that the ROI size setting effected on the resulted  FWHM values. The smaller ROI size, FWHM value will decrease with higher homogeneity and vise versa.Conclusion: Optimum FWHM value was produced by ROI size of 20 – 30 mm at the centre position. There was influence of ROI size setting to FWHM value.
Analisis Variasi Rekonstruksi Increment Overlapping terhadap Informasi Citra Anatomi pada Pemeriksaan MSCT Nasofaring dengan Klinis Karsinoma Jeffri Ardiyanto; Darmini Darmini; Widiya Purnama Sari
Jurnal Imejing Diagnostik (JImeD) Vol 3, No 1: January 2017
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v3i1.3186

Abstract

Background: In Nasopharyngeal MSCT examination, the radiologist wants optimal image  in order to evaluate the characteristics of the tumor, bone destruction due to a tumor, the extent of tumor invasion and the detection of regional metastases that serve as guidelines in determining the clinical stage in patients with nasopharyngeal carcinoma. So setting the scan parameters rekostruksi increments during the process multiplanar reconstruction (MPR)   image on  Nasopharyngeal MSC T will produce optimal images for diagnosis enforcement. Overlapping reconstruction increment is the distance between the image that has been reconstructed on the data volume that is made smaller than the size of the slice thickness is used. Selection of the reconstruction value increment overlapping usage right has an advantage in generating image anatomical information better for image noise becomes lower and accurate for diagnosing small structures, especially of hidden nasopharynx anatomy  and difficult to detect. The purpose of this study was to determine the influence variation reconstruction increment overlapping to the anatomical information image on nasopharyngea MSCT l examination with the carcinoma  clinical and determine the best value reconstruction increment overlapping that can provide optimal anatomical information image on nasopharyngeal MSCT examination with the clinical of carcinoma.Methods: This research was quantitative research with pre-experimental approach with one shoot case study method. This research was carried out by means of SIEMENS "SOMATOM EMOTION" - 16 slice in Installing Radiodiagnostic Hospital Dr. Soetomo Surabaya . The data in the form of a data volume of 10 patients in the sample with setting 3 mm slice thickness and reconstruction increment given the variation of the overlapping 30% of slice thickness (0.9 mm), 40% of the slice thickness (1.2 mm) and 50% of the slice thickness (1.5 mm) on MSCT nasopharyngeal examination with the clinical of carcinoma. Assessment anatomical information performed by the two respondents or reviewer. The data analysis was  testing the influence with  the simple  linear regression  tets and to determine the value of  reconstruction increment overlapping optimal use friedman mean rank test.Result: The results showed a influence of variation reconstruction increment overlapping to the anatomical information image on nasopharyngeal MSCT examination with the clinical of carcinoma with a significance level of p = 0,000 (p 0.05). The best value reconstruction increment overlapping that can provide optimal anatomical information image on MSCT nasopharyngeal examination with the clinical of carcinoma is a reconstruction increment overlapping 50% of the slice thickness 3 mm (1.5 mm) with a mean rank in the axial slice and coronal slice image of 2.61.Conclution: There are influence of variation reconstruction increment overlapping to the anatomical information image on MSCT nasopharyngeal examination with the clinical of carcinoma with a significance level of p = 0,000 (p 0.05). Reconstruction increment overlapping 50% of the slice thickness 3 mm (1.5 mm) is a best value that can provide optimal anatomical information image on  nasopharyngeal MSCT examination with the clinical of carcinoma.
Informasi Citra Anatomi pada Penggunaan Variasi Increment Pemeriksaan MSCT Abdomen Irisan Axial Kasus Nodul Hepar Selfia Claudiana Rahma Dewi; Arinawati Arinawati; Darmini Darmini; Dimas Prakoso
Jurnal Imejing Diagnostik (JImeD) Vol 7, No 2: JULY 2021
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v7i2.7462

Abstract

Background : Liver nodules are tumors that are less than 2 cm in size and are single or multiple. In making a diagnosis of liver nodules can be done by examination of abdominal MSCT. According to Seeram (2009), using 50% overlapping there was an increase in nodule detection by 10% compared to incremental increments. The purpose of the study was to determine differences in information on anatomical images on the use of increment variations in abdominal MSCT examination and to find the appropriate increment values to produce optimal anatomical image information.Methods : This type of research is quantitative with an experimental approach. The study was conducted at the RSUD. Tugurejo Semarang, the image was taken from abdominal MSCT examination in 5 patients with a variation of increments of 100% (8 mm), 50% (4 mm), 30% (2, 4 mm). The results of the study were assessed by 3 respondents. Data analysis used the kappa statistical test, crosstabulation, and friedman.Results : From the statistical test, the results of the 2.4 mm increment value show clear anatomical criteria and can detect small nodules. Supported by using friedman statistical test p-value = 0.000 which means that p-value 0.05 thus Ha is accepted so that there are differences in anatomical image information.Conclusion : The most optimal increment value is 30% (2.4 mm) because it has the highest mean rank value of 2.37.
Analisis Image Noise dan Nilai Dosis Radiasi Penggunaan Aplikasi Care Dose 4D dan Non Care Dose 4D pada Pesawat MSCT Siemens Tito Aditya Resmana; Darmini Darmini; Sigit Wijokongko
Jurnal Imejing Diagnostik (JImeD) Vol 3, No 2: July 2017
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v3i2.3196

Abstract

Background : One effective technique is contained in a CT Scan to decrease the amount of radiation dose that is received in the use of automatic exposure control (AEC). AEC system of Siemens equipment is called Care Dose 4D. The research is based on unused of the application Care Dose 4D on CT Scan Imaging. The purpose of the research is to determine the differences of image noise and the differences of radiation doses (CTDI) using care dose 4D and Non Care Dose 4D in Siemens MSCT.Methods                 :The research  was quantitative  study with experimental approaches that is tested on four water phantom size type. Analysts data is done by statistical tests of Paired T-Test Samples to test the hypothesis and the level difference image information. In this statistical analysis is determined the level of confidence (level of Significance) with a value of α = 0.05.Results  :                On the using of Nasopharing protocol for children with 130 kV and 130 mAs parameters, using of Care Dose 4D has ability to decrease the image noise value is compared with non Care Dose 4D application. While the adult Nasopharing protocol with 130 kV and 220 mAs parameters, Care Dose 4D doesn’t provide enough impact in the reduction of image noise value if compared with conventional techniques or without using Care Dose 4D applications. Using of children nasopharing protocol application Care Dose 4D even increase radiation closes high enough value in CTDI vol that is 5,03 mGy, but using Nasopharing Care Dose 4D applications for adult can decrease radiation doses high enough value in CTDIvol, that is 2,64 mGy.Conclusion : On the use of children nasopharing protocol application Care Dose 4D even increase radiation closes high enough value in CTDI vol that is 5,03 mGy, while the adult Nasopharing using Care Dose 4D applications can decrease radiation doses high enough value in CTDIvol, that is 2,64 mGy.
TREATMENT OF RADIATION EXTERNAL FOR BRAIN METASTASIS WITH 3D-CRT WITHOUT USING MLC AT RADIOTHERAPY INSTALLATION OF KEN SARAS HOSPITAL Nurul Fatimah MZ; Eko Kuntjoro; Darmini Darmini
Jurnal Imejing Diagnostik (JImeD) Vol 4, No 1: January 2018
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v4i1.4006

Abstract

Background: Brain metastases are common manifestations of malignancies that spread types of cancer such as breast cancer, lung cancer can spread to the brain. Radiotherapy in brain metastases is the chosen palliative treatment because it is considered less invasive. Purpose of this research is to know radiation, radiation optimization with 3D-CRT technique without using MLC at Ken Saras Hospital Radiotherapy Installation.Methods: This research is a qualitative research with case study approach. Data were collected in January-February 2018 at Ken Saras Hospital Radiotherapy Installation with observation, interview and documentation method with Radiation Oncology Specialist, Medical Physicist and Radiografer / Radiotherapist. Data obtained from the study were analyzed by interactive model, making the interview transcript subsequently reduced and processed in the form of open coding, presented in the form of quotations and then can be drawn conclusions.Result: The results showed that external radiation management on 3D-CRT brain metastasis technique without using MLC at Ken Saras Hospital Radiotherapy Installation included patient consultation, CT Simulator shooting images, contouring, medical physics planning and radiation verification and treatment. Optimization of brain metastases radiation without using MLC is done by using gantry and collimator variations.Conclusion : Brain metastases with 3D-CRT technique without using MLC at the Hospital Radiotherapy Installation including patient consultation, CT Simulator firing, medical physics planning then verification and radiation treatment. Optimization of brain metastases with 3D-CRT technique without MLC at Ken Saras Hospital's Radiotherapy Installation can be done using a variety of gantry and collimator variations.
Analisis Informasi Citra Antara Sekuens T2 FRFSE dengan T2 Propeller pada pemeriksaan MRI Cervikal Potongan Axial dengan Pesawat MRI GE Signa 1,5 T Sri Adhi Lukito; Darmini Darmini; Emi Murniati
Jurnal Imejing Diagnostik (JImeD) Vol 3, No 2: July 2017
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v3i2.3197

Abstract

Backgroud:research has been done on the difference of image information for T2 FRFSE sequences and T2PROPELLER in Radiology Installation of General Hospital Dr Moewardi. The aim of this study is to determine THE  differences of the image information between T2 FRFSE sequences and T2PROPELLER sequences and determine the best sequence between T2 PROPELLER with T2 FRFSE in  cervical MRI examination of Spine Axial Slice.MethodsThis research is a quantitative study with experimental approach in Radiology Installation Dr. Moewardi Hospital. Data is collected on examination MRI Cervical in 15 patients, after a Cervical MRI scanning with sagittal slice T2 FRFSE sequences, and then performed scanning T2 PROPELLER sequences on Axial slice. Presented to the three doctors radiologist to assess. Once the image judged by the three respondents, the data analyse by using  SPSS 17.0  with  Wilcoxon test.Results:the result showed  obtained significance value  0,001 or p value 0,05 Which means that there are differences image information between T2 FRFSE sequences and T2 PROPELLER sequences. Sequens T2 PROPELLER better than sequens T2 FRFSE in MRI CervicalAxial slice.Conclusion:Mean value of the same rank on the anatomy of the vertebral body and the soft tissue of the neck are 5.50 and 4.00 , while the mean rank differently on intraforamen structure is 6.5 , nerve root is 5.56 , so that the spinal cord was 6.15 T2 PROPELLER still better.
DESIGN OF MODIFICATION EQUIPMENT TOOLS INVESTIGATION MAGNETIC RESONANCE CHOLANGIOPANCREATOGRAPHY PEDIATRIC PATIENTS IN HOSPITAL SANTO BORROMEUS BANDUNG Feni Try Sabdo; Fatimah Fatimah; Darmini Darmini
Jurnal Imejing Diagnostik (JImeD) Vol 4, No 2: July 2018
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v4i2.3998

Abstract

Background : On examination MRCP patient pediatric in Radiology Hospital Santo Borromeus using tools made of PVC. But the use of such aids has a deficiency, ie the size is too large so that there is a distance between objects to be checked with body coils that can reducing value of the signal generated. The purpose of this research is to know the design of equipment tools investigation MRCP pediatric examination, difference of image quality and anatomical information resulting from the use of standard hospital aids and modification aids.Methods : This research is a quantitative research with experimental approach to design of modification aids in water phantom and patient pediatric examination MRCP sequence T2 FRFSE axial. The test was performed on image quality that was statistically analyzed by paired T test using SPSS 22. Beside that, the test was also conducted on anatomy information which was assessed by 2 radiologists with qualitative assessment.Results : The results of this study there are significant differences in SNR between the use of standard hospital aids and modification tools with p value 0.001. CNR differences were also significant between the use of standard hospital aids and modification aids with p value 0.001 (p 0.05).Conclusion : The results of image quality and anatomical information showed the best results in the use of tools modifications.
OPTIMALIZATION OF WINDOW WIDTH AND WINDOW LEVEL ON LUNG WINDOW FOR ANATOMIC INFORMATION CT SCAN THORAX OF LUNG TUMORS CASE IN RSUD TUGUREJO PROVINCE OF CENTRAL JAVA Anggraini Dwi S; Rasyid Rasyid; Darmini Darmini
Jurnal Imejing Diagnostik (JImeD) Vol 4, No 2: July 2018
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v4i2.3993

Abstract

Background: Settings for Window Width and Window Levels used in CT Scan Thorax tumor cases vary. On Seimens 128 Slice plane there are standard settings for lung window thorax is with Window Width 2200 HU and Window Level -200 HU while according to window width theory is 1000- 2000 HU value range and window level -200--800 HU. The purpose of this research is to know the difference of variation setting Window Width and Window Level on Lung Window and Window Width and Window Level optimum in producing anatomical information CT scan thoraks in case of lung tumor.Method: The type of research conducted in the writing of this final task is quantitative research using experimental approach. Data were collected on 5 patients suspected of lung tumor, then variation of setting window width and window level. The result of variation of window width and window level setting was then evaluated by 2 observers to obtain anatomical information of CT Scan Thorax in lung tumor case then analyzed by using Friedman Test different from spss version 16.0.Result: The result of the research resulted the difference of Window Width and Window Level was assessed from p value α (0.05). the value of significance p value 0.001 which means there is a difference. Highest mean mean value with value 8.25 in window width 1800 HU and window level -200 HU. The use of the most optimal setting variation is the Window Width 1800 HU and Window Level -200 HU because it can provide anatomical image information of CT Scan Thoraks optimal lung tumor cases where the anatomy of the pulmonary, broncus, trachea, aortic mass, pulmonary and chest lung par clearly visible and bordered on axial pieces.
Co-Authors A.A. Ketut Agung Cahyawan W Agustina Dwi Prastanti Agustina Dwi Prastanti, Agustina Dwi Alifia Dian Rizqi Arshyva Andrey Nino Kurniawan Anggraini Dwi S Anita Nur Mayani Ari Suwondo Arinawati Arinawati Arum Dwi Afriyani Aryani, Asri Indah Bagus Abimanyu Bambang Satoto Bambang Satoto, Bambang BE, Marsum Bedjo Santoso Kadri Dimas Prakoso Dimas Prakoso Donny Kristanto Mulyantoro Dwi Kurniarahman, Yoyok Dwi Rochmayanti Dwi Rochmayanti Dwi Rochmayanti Dwi Rochmayanti Edy Susanto edy susanto Efriza Nur Romadhoni Eko Kuntjoro Emi Murniati Farid Agusyahbana, Farid Fatimah Fatimah Feni Try Sabdo Gatot Murti Wibowo Gatot Murti Wibowo Gatot Murti Wibowo Gatot Murti Wibowo Gatot Murti Wibowo, Gatot Murti Gunawan Santoso Himawan Setyono I NYOMAN PAYUYASA . Ida Ayu Ari Angreni J. Dahjono J. Dahjono Jannah, Marichatul Jannah, Marichatul Jeffri Ardiyanto Juniarso Juniarso Khumaidi Khumaidi Kristanto Mulyantoro, Donny M. Choiroel Anwar Merah Bagus YB Muhammad Raizal Rais Murti Wibowo, Gatot Nui, Muhammad Nur Wahyu Tajuddin Nurul Fatimah MZ Pranandya, Brian Ilham Rasyid Rasyid Rini Indrati Rini Indrati, Rini Rizqi, Intan Purnami Romadhoni, Efriza Nur Rudy Kurniawan Sari, Yeti Kartika Selfia Claudiana Rahma Dewi Sigit Wijokongko Siti Daryati Siti Masrochah Soewondo, Arie Sri Adhi Lukito Sri Mulyati Sri Mulyati Suan, Kesita Grace Natalia Suciartini, Ni Nyoman Ayu Sudiyono Sudiyono Tajuddin, Nur Wahyu Tito Aditya Resmana Tri Andayani Tri Andayani Widiya Purnama Sari Yeti Kartika Sari Yeti Kartikasari Yeti Kartikasari Yeti Kartikasari, Yeti