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Jurnal Imejing Diagnostik
Published by Poltekkes Kemenkes Semarang
ISSN : 2356301X     EISSN : 26217457     DOI : -
Core Subject : Health,
Health Professions Medicine & Pharmacology
Jurnal Imejing Diagnostik (JImeD) memuat tulisan ilmiah dalam bidang radiologi berupa hasil penelitian dan non penelitian (konseptual). Jurnal Imejing Diagnostik (JImeD) terbit 2 kali dalam satu tahun yaitu pada bulan Januari dan Juli oleh Jurusan Teknik Radiodiagnostik dan Radioterapi, Politeknik Kesehatan Kemenkes Semarang. Jurnal Imejing Diagnostik (JImeD) memuat artikel ilmiah dalam bidang radiologi, meliputi : radiografi konvensional, digital radiografi, CT scan, MRI, kedokteran nuklir, radioterapi dan ilmu lainnya yang berkaitan dengan radiologi.
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Articles 9 Documents
 1 
Search results for , issue "Vol 2, No 2: July 2016" : 9 Documents clear
Analisis Pembobotan T2 Turbo Spin Echo (TSE) brain MRI Potongan Axial dengan Penggunaan Sensitivity Encoding (SENSE) dan Tanpa Penggunaan Sense : Evaluasi pada Signal to Noise Ratio (SNR) dan Scan Time Fani Susanto; A. Gunawan Santoso; Bagus Abimanyu
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.v2i2.3174

Abstract

Background: On examination brain MRI often finds non-cooperative patients, requiring rapid acquisition techniques. The parallel imaging sensitivity encoding (SENSE) technique utilizes spatial RF coated phased array information to reduce acquisition time by reducing the K space sampling line to produce good quality and spatial resolution, but has a limitation of signal-to-noise ratio (SNR) reduction. SENSE is used with MRI sequence pulses one of them turbo spin echo (TSE). The purpose of this study was to determine the difference of SNR and scan time on TSE T2 weighting brain MRI axial slices between use SENSE and without SENSE.Methods: This research is quantitative study with experimental approach. The data were collected from May to June 2016 at the Radiology Installation of Premier Bintaro Hospital by calculating the SNR through the software for the region of interest (ROI) and calculating the scan time through the scan timer on the workstation monitor. Data analysis was done by statistical test with SPPS 16 application using paired T-test and descriptiveResults: From the result of statistical test, it is known that SNR at TSE T2 weighting between with and without SENSE is obtained p-value 0,000 (p 0, 05). This is because the encoding of the both image are different, On TSE T2 weighting image without SENSE there is the use 1800 pulses approaching the effective TE so the shallow gradient produces maximum echo, while on TSE T2 weighting with SENSE there is a reduction of phase encoding row in K space and the presence of g-factor causes the SNR to decrease. From descriptive analysis result, is known that scan time on TSE T2 weighting between with and without SENSE usage is obtained by reduction of scan time for 1 minute 24 seconds (49, 01%). This is because the acquisition technique between the both image are different, on the TSE T2 weighting  without SENSE there is ETL in charging K space, whereas on the TSE T2 Weighting  with  SENSE there is R-factor causing the sampling not to fill all K space so that scanning time is reduced.Conclusion: There are SNR and scan time differences on TSE T2 weighting brain MRI of the axial slices with SENSE and without SENSE usage.
Pengujian Akurasi kVp dan Linearitas pada Pesawat Sinar-X di Laboratorium Prodi Diploma III Teknik Radiodiagnostik dan Radioterapi Purwokerto Asri Indah Aryani; Indra Kartika Nugroho; Panji Wibowo Nurcahyo
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.v2i2.3179

Abstract

Background: Quality control is part of the quality assurance program related to the techniques used in the monitoring the maintenance of the technical elements of the system that affect picture quality. KVp accuracy and linearity (test mAs) is one of the components which are tested on the routine test performance evaluations. The X-ray Biomedical International unit brands BRG 100 RF of Laboratory Diploma in Mechanical Radiodiagnostic and Radiotherapy Purwokerto have not been tested yet. The objectives of this study are to determine suitability output kVp accuracy and linearity that have been beeing setting at control panel X-ray unit.Methods: This research belongs to a quantitative research which was conducted in April 2016 at the Laboratory of Radiodiagnostic Diploma Engineering and Radiotherapy Purwokerto on X-ray Biomedical International unit brands BRG 100 RF. The tests carried out two stages of testing. They were the accuracy of kVp with MPD (Multi-purpose detector) tool at kVp 50, 60, 70, 80, 9 and testing linearity method using Stepwedge and Reciprocity mAs Densitometer at 55 kVp, 10 mAs with a variation of 200 mA and 100. The results was analysed based on the quality control examining contained in KMK RI No.1250, the value of deviation accuracy of kVp 6% and for linearity deviation value (mAs) ≤ ± 0.1.Result: The test results showed that there are some deviations occur repeatedly on the accuracy of kVp on the value of eksposi 50, 60, 70, 80, 90, are 0.78%, 1.31%, 1.32%, 1.63%, 2.5%, but the deviation is still within the allowable limits that does not exceed 10%. The linearity testing showes that there are differences in optical density values on the radiograph with variations mA and s which are still within the allowable limit that is ≤ ± 0.1.Conclusion: Based on the result of kVp accuracy and linearity test, the deviation value is still within the tolerance limit or still in accordance with the permissible tolerance according to KMK RI   1250 about quality control testing parameter
Analisis Nilai Velocity Encoding terhadap Informasi Citra Magnetic Resonance Venography pada Penderita Tumor Kepala Zita Hadiah Pratami; Sudiyono Sudiyono; Yeti Kartikasari
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.v2i2.3175

Abstract

Background: Brain Magnetic Resonance Venography (MRV) is a MRI examination of veins without contrast media. Phase Contrast (PC) MRV sequences uses phase shift protons that flow along the magnetic gradient into needed area (Field Of View).  PC MRV sequences use bipolar gradient to compensate the proton spin speed by adjusting the amplitude. The study aims to determine the Velocity encoding Value (VENC) to MRV image information on brain tumor patient and to determine the best image information through a technic to visualize the veins in brain tumor patient.Methods: This study was a quantitative study with quasi experimental approach. Data were collected in Radiology Department of Dr. Moewardi Surakarta Hospital on May to June 2016. Data was collected using questionnaire filled by three respondents. Data were analyzed statiscally using Friedman test and Wilcoxon test to determine the difference of value of Velocity Encoding (VENC) between 10 cm/sec, 15 cm/sec, 20 cm/sec, as well the mean rank test used to find out the best image information.Results: The statistical test showed that there were significant differences in image information of MRV, between VENC 10 cm/sec, 15 cm/sec and 20 cm/sec with p value was 0.032 (p˂0,05). The best result of MRV image information was when VENC value of 20 cm/sec used, indicated by the mean rank which was 2.83.Conclusion: There were significant differences of MRV image information between VENC 10 cm/sec, 15 cm/sec and 20 cm/sec. The best result of MRV image information was when VENC value of 20 cm/sec used, to visualize better anatomy of the veins, so that the presence of tumor thrombus in the veins can be ensured.
Analisis Informasi Anatomi antara Sekuens T2WI FSE dan Proton Density Fat Saturation pada Pemeriksaan MRI Knee Joint Potongan Sagital (Studi pada Anterior Cruciate Ligament (ACL) dan Posterior Cruciate Ligament (PCL)) Atina Izzah Kusumaningrum; Lidya Purna WS Kuntjoro; Gatot Murti Wibowo
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.v2i2.3180

Abstract

Background: There are clinical situations that radiology physicians need to assess Anterior Cruciate Ligament (ACL) and Posterior Cruciate Ligament (PCL) clearly with the two typical sequences (T2WI FSE sequence and Proton Density Fat Saturation). However, a slight difference in using the applied sequences will result different levels of image quality information. The aim of this study is to compare clinical  manifest in anatomical information on the resulted images between  T2WI FSE sequence and Proton Density Fat Saturation and to define the best sequence that fit to reveal ACL and PCL of the knee joint..Methods: The research was an experimental quasy. 20 sagital slices of  the knee jointMRI were acquired from 10 volunteers who underwent MRI examinations with the two methods (T2WI FSE and Proton Density Fat Saturation). 3 experienced radiology physicians blended in the image scoring when review ACL and PCL appearances on knee MRI images. Inter-observer suitability was checked with Kappa test. A non-parametric Wilcoxon analyses was the statistical tool to test the null hypothesis.Results: The result showed a significant difference in anatomical information of ACL and PCL when T2WI FSE and Proton Density Fat Saturation sequences applied on the MRI of the knee jointsagital slices (p-value 0,05). The mean rank of T2WI FSE was better than Proton Density Fat Saturation  which contributed to the value at 4,50. There was an increase in signals that lead to ACL and PCL appear to be more hyper-intens compared to sorrounding organs in general, except the border line  of PCL.  By this means, it was useful for evaluating the patient whose particularly with ACL post-grafting.Conclusion: There was the difference in anatomical information between T2WI FSE sequence and Proton Density Fat Saturation on MRI knee jointwith sagital slices for ACL and PCL studies.  T2WI FSE sequence was the best method for showing anatomical information of ACL and PCL, although a relative low signal still occured from border line  of PCL.
Analisis Variasi Ketebalan Kepala pada pemeriksaan Mastoid Proyeksi Axiolateral Metode Schuller terhadap Gambaran Anatomis Dartini Dartini; Galuh Negrawati; Bagus Dwi Handoko
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.v2i2.3176

Abstract

Background: Axiolateral projection of mastoid examination with Schuller method using angle range of 25°-30° caudad according to Bontrager (2010). The difference thickness of the human’s head will cause range of angles of axiolateral projection of mastoid examination using Schuller projection. The inappropriate angle will affect the different anatomical information. Axiolateral projection of mastoid examination using Schuller projection in Radiology Installation of dr. Soetomo Hospital used an angle that is 25° for all patients with different thickness of the head. This study aims to determine the differences in anatomical image clarity on radiographic image of axiolateral projection of mastoid examination using Schuller method with an angle that is 25° with variations of head thickness between 12 to 14.5 cm.Methods: This research was a quantitative research with an experimental approach. Subjects of this reearch were 10 respondents. Data analyzed statistically by Kruskal Wallis test and Mann Whitney test.Results: The results showed that there was difference in anatomical image of axiolateral projection of mastoid examination with Schuller method with 25° angle. Result of statistical test to get optimal radiographic image of mastoid using Schuller method showed the significant value, which was 0,000. Differences in anatomical image was also shown on the assessment results from 10 respondents which most of respondents assess anatomical features on a 14.5 cm head thickness was very good.Conclusion: There were differences anotomical information of mastoid radiograph using schuller method with thickness variaton of head. Head thickness of 14.5 cm can show anatomical image of the mastoid air cells, bony labirinth, condyle mandible, temporomandibular joint (TMJ), Aacousticus the external meatus (MAE) and tegmen tympani. The CR angle should be considered based on head thickness.
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.
Pengukuran Laju Paparan Radiasi pada Perisai Radiasi Ruang Panoramik di Instalasi Radiologi Rumah Sakit Islam Klaten Raih Sutejo; Siti Daryati
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.v2i2.3177

Abstract

Background: Research about the measurement of radiation exposure rate on panoramic radiation shield in Radiology Installation of Klaten Islamic Hospital has been conducted. The background of this research is in the panoramic room there is a veil that has a gap on the bottom as high as 20 cm. The purpose of this research is to know the rate of radiation exposure on radiation panoramic shield in Radiology Installation of Klaten Islamic Hospital and the application of radiation protection system to the room.Methods: This research type is quantitative with survey approach that is writer do observation, documentation and measurement of exposure rate of radiation at controlled and uncontrolled area by doing measurement at two state that is before exposure (background radiation) and after exposure. The data obtained are then analyzed descriptively to declare a safe examination room or not for workers and the general public by comparing the measurement results with UNSCEAR and NCRP report No. 147.Result: The value of the background exposure rate in the panoramic chamber of the Klaten Hospital Radiology Installation exceeds the value of the background dose rate based on the location of the height of an area according to UNSCEAR. The background exposure value in the panoramic space ranges from 0.14 to 0.175 μGy/hour. The actual radiation exposure measurements at point A is 0.00021 mGy/hour, point B is 0.000175 mGy/h, point C is 0 mGy/hour, point D is 0 mGy/hour, point E is 0.000105 mGy/hour, point G is 0,000735 mGy/hour. These six results have not exceeded the NCRP report no. 147 is for controlled areas 0.0025 mGy / hr and uncontrolled area 0.0005 mGy / hr.
Analisis Informasi Citra MRI Vertebra Servikal Potongan Axial dengan Penggunaan Flow Compensation antara Pembobotan T2 Sekuens Turbo Spin Echo (TSE) dan gradient echo (GRE) Ardi Soesilo Wibowo; Ary Kurniawati; Hernastiti Sedya Utami
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.v2i2.3173

Abstract

Background: Magnetic Resonance Imaging (MRI) examination of the cervical spine axial slices with T2 weighted flow is often contained artifacts that interfere image result, so it uses flow compensation technique. Axial slices of T2 weighted may use TSE or GRE sequences. This research aims to determine differences in MRI image information of cervical spine axial slices using flow compensation between T2 weighted turbo spin echo (TSE) and gradient echo (GRE) sequences and to get better image information between that both sequences.Methods: This research was a quantitative study with an experimental approach. Data were collected from May to June 2016 in Radiology Installation of Haji Surabaya Hospital using a questionnaire to three respondents. Data were analyzed by statistical tests with SPSS 16 software using Wilcoxon test to determine differences level in image information between T2 weighted TSE and GRE sequences, mean rank value from Wilcoxon test and crosstabulation test to get better image information.Results: There were differences in MRI image information of cervical spine axial slices with using flow compensation between T2 weighted TSE and GRE sequences with p-value was 0.005 (p 0.05). This difference was due to the differences of parameter characteristics between both sequences and T2* GRE was more sensitive to flow to the organ than the TSE. Better MRI image information of cervical spine axial slices using flow compensation was T2* GRE sequence shown by the mean rank 5.50.T2*. GRE was better than T2 TSE because it could show the anatomy of the cervical clearly and informatively, the anatomy of the spinal cord, CSF, neural foramen, intraforaminal structure, corpus vertebrae, disc and the minimum artifacts. While on the anatomy of the facet joint was no significant difference between the TSE and GRE sequences.Conclusion: There were differences in the MRI image information of cervical spine axial slices using flow compensation between T2 weighted TSE and GRE sequences. Better image information was T2* GRE sequence.
Analisis Kualitas Udara di Kamar Gelap yang Menggunakan Pengolahan Film Secara Manual dan Otomatis Ary Kurniawati; Dartini Dartini; Asri Indah Aryani
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.v2i2.3178

Abstract

Backgroun: Dark room is the room where the film is being processed as the final stage of the radiographic process, beside its function as a place of handling film and film storage. According to the MSDS, chemical liquid used in film processing can affect human health. It’s spill can cause irritation and burns on skin and eyes, irritation and injury to the digestive tract, while its  mist or dried residue can cause irritation of the respiratory tract. Good dark room air circulation is required.Methods: The study was observational study with measurement data retrieval techniques in the darkroom of four hospitals. The collected data then compared to the air quality requirement according Kepmenkes RI No.1204/Menkes/SK/X/2004 and No.1405/Menkes/SK/XI/2002.Result: The results showed that the physical air quality including temperature and humidity in the 1st, 2nd, 3rd and 4th darkroom was higher than the standards. The average air flow in the 1st, 2nd and 3rd  darkroom were up to standards, but there was no airflow in the 4th darkroom. Results of ambient air quality measurements  in the 1st, 2nd, 3rd and 4th including CO, NO2, SO2 and T.VOC did not meet the standards, while the presence of H2S and NH3 were not detected.Conclusion: Total dust levels in the 1st, 3rd and 4th  darkroom did not exceed the maximum concentration in indoor air ( 0.15 mg/m3), while the 2nd darkroom exceed the standard ( 0, 15 mg/m3). Using of air-conditioning and a dehumidifier with periodic maintenance is needed to resolve the discrepancy physical air quality, beside periodic cleaning and indoor air excahnge maintenance to resolve high levels of dust and gas pollutants.

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