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Patricia Wulandari
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Sriwijaya Journal of Radiology and Imaging Research
Published by Phlox Institute: Indonesian Medical Research Organization
ISSN : 2986853X     EISSN : 2986853X     DOI : https://doi.org/10.59345/sjrir
Core Subject : Health, Science,
Dentistry Health Professions Medicine & Pharmacology Neuroscience Physics
Focus Sriwijaya Journal of Radiology and Imaging Research (SJRIR) focused on the development of medical sciences especially radiology & imaging research for human well-being. Scope Sriwijaya Journal of Radiology and Imaging Research (SJRIR) publishes articles which encompass all aspects of basic research/clinical studies related to the field of radiology & imaging research and allied science fields, especially all type of original articles, case reports, review articles, narrative review, meta-analysis, systematic review, mini-reviews and book review.
Arjuna Subject : Kedokteran - Kedokteran Radiologi Nuklir dan Imaging
Articles 25 Documents
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Evaluation of Radiation Protection Practices and Patient Dose Reduction Strategies in Panoramic Imaging in Makassar, Indonesia Rusli, Muhammad
Sriwijaya Journal of Radiology and Imaging Research Vol. 1 No. 2 (2023): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i1.6

Abstract

Introduction: Panoramic radiography is an essential tool in dentistry, offering a wide field of view for diagnosis and treatment planning. However, it is associated with radiation exposure, necessitating the implementation of optimal radiation protection practices. This study aimed to evaluate radiation protection practices and patient dose reduction strategies employed in panoramic imaging facilities in Makassar, Indonesia. Methods: A cross-sectional study was conducted involving panoramic imaging facilities in Makassar. Data were collected through a combination of questionnaires, direct observations, and dosimetric measurements using thermoluminescent dosimeters (TLDs). The questionnaires assessed radiation protection practices, equipment specifications, and patient dose optimization strategies. Direct observations evaluated adherence to radiation protection protocols, while TLDs measured patient doses. Results: The study revealed variability in radiation protection practices and patient dose levels across different facilities. Some facilities demonstrated suboptimal adherence to radiation protection guidelines, including inadequate shielding and lack of proper collimation. Patient doses varied significantly, with some exceeding recommended levels. The study identified several factors associated with higher patient doses, including outdated equipment, lack of regular quality assurance programs, and limited awareness of dose optimization strategies. Conclusion: The findings highlight the need for improved radiation protection practices and patient dose optimization in panoramic imaging in Makassar. Implementing comprehensive quality assurance programs, regular equipment maintenance, and continuing education for dental professionals can contribute to minimizing radiation risks associated with panoramic radiography.
Assessment of Radiation Protection Practices in Diagnostic Radiology Facilities in Pekanbaru, Indonesia Mohammad Yoshandi; Annisa
Sriwijaya Journal of Radiology and Imaging Research Vol. 1 No. 2 (2023): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i1.7

Abstract

Introduction: The use of ionizing radiation in diagnostic radiology carries the potential for adverse health effects. Therefore, adherence to radiation protection practices is essential to ensure the safety of both patients and staff. This study aimed to evaluate radiation protection practices in diagnostic radiology facilities in Pekanbaru, Indonesia. Methods: A cross-sectional study was conducted in all diagnostic radiology facilities in Pekanbaru. Data were collected using a structured questionnaire, observation checklists, and measurements of radiation dose levels. The questionnaire assessed the knowledge, attitudes, and practices of radiation workers regarding radiation protection. Observation checklists were used to evaluate the availability and use of personal protective equipment, radiation warning signs, and shielding. Radiation dose levels were measured using thermoluminescent dosimeters. Results: A total of 30 diagnostic radiology facilities participated in the study. The majority of radiation workers (80%) had received formal training in radiation protection. However, only 60% of facilities had a written radiation protection program. Personal protective equipment was available in all facilities, but its use was not always consistent. Radiation warning signs were present in most facilities, but their placement was not always optimal. Shielding was adequate in most facilities, but some areas required improvement. Radiation dose levels were within permissible limits in all facilities. Conclusion: Radiation protection practices in diagnostic radiology facilities in Pekanbaru are generally good. However, there is room for improvement in some areas, such as the development and implementation of written radiation protection programs, consistent use of personal protective equipment, and optimization of radiation warning signs and shielding.
Optimized Brain MRI Protocol for Epilepsy Diagnosis in Semarang, Indonesia: A Prospective Study Istiqomah, Sarah Wilmar
Sriwijaya Journal of Radiology and Imaging Research Vol. 1 No. 2 (2023): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i1.8

Abstract

Introduction: Epilepsy is a prevalent neurological disorder, and accurate diagnosis is crucial for effective management. Brain MRI plays a pivotal role in identifying epileptogenic foci. This study aimed to develop and evaluate an optimized brain MRI protocol for epilepsy diagnosis in Semarang, Indonesia, where access to advanced imaging may be limited. Methods: A prospective study was conducted at a tertiary care hospital in Semarang. Consecutive patients with suspected epilepsy underwent brain MRI using a standardized protocol comprising T1-weighted, T2-weighted, fluid-attenuated inversion recovery (FLAIR), and susceptibility-weighted imaging (SWI) sequences. Additional sequences like diffusion-weighted imaging (DWI) and post-contrast T1-weighted imaging were acquired when clinically indicated. Two experienced neuroradiologists independently reviewed the images, and their findings were correlated with clinical and electroencephalography (EEG) data. The diagnostic accuracy, sensitivity, specificity, and inter-rater agreement of the optimized protocol were evaluated. Results: A total of 150 patients (mean age 32.5 years, range 18-65 years) were enrolled. The optimized protocol identified epileptogenic lesions in 75 patients (50%), with the most common being mesial temporal sclerosis (30%), followed by focal cortical dysplasia (15%), and tumors (5%). The protocol demonstrated a sensitivity of 85%, a specificity of 92%, and an inter-rater agreement of 0.85 (kappa). The addition of DWI and post-contrast imaging improved the detection of subtle lesions and differentiation between tumor and inflammation. Conclusion: The optimized brain MRI protocol proved to be a valuable tool for epilepsy diagnosis in Semarang, with high diagnostic accuracy and inter-rater agreement. This protocol can be implemented in resource-constrained settings to improve the detection and characterization of epileptogenic lesions, leading to better patient management and outcomes.
Early Chest CT Manifestations and Temporal Evolution in COVID-19 Pneumonia: A Retrospective Cohort Study from Wuhan, China Xian Li; Lin Chia
Sriwijaya Journal of Radiology and Imaging Research Vol. 1 No. 2 (2023): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i1.9

Abstract

Introduction: Coronavirus disease 2019 (COVID-19) is a global pandemic with a wide spectrum of clinical manifestations, ranging from asymptomatic infection to severe pneumonia and acute respiratory distress syndrome (ARDS). Chest computed tomography (CT) plays a crucial role in the diagnosis and management of COVID-19 pneumonia. This study aimed to investigate the early chest CT manifestations and temporal evolution of COVID-19 pneumonia in a cohort of patients from Wuhan, China, the epicenter of the initial outbreak. Methods: This retrospective cohort study included 100 consecutive adult patients with laboratory-confirmed COVID-19 pneumonia admitted to a designated hospital in Wuhan, China, between December 2019 and February 2020. All patients underwent serial chest CT scans during their hospitalization. Two experienced radiologists independently reviewed the CT images and recorded the imaging findings, including the distribution, morphology, and extent of lung opacities, as well as other associated features. The temporal evolution of the CT findings was also analyzed. Results: The most common early chest CT manifestations of COVID-19 pneumonia were ground-glass opacities (GGOs) (98%), followed by consolidation (65%), and crazy-paving pattern (32%). The lesions were predominantly distributed in the peripheral and subpleural regions of the lungs, with bilateral and multilobar involvement in most cases. The extent of lung involvement progressed rapidly in the first week after symptom onset, reaching a peak around day 10, and then gradually improving in the following weeks. Other associated CT findings included air bronchograms, vascular enlargement, pleural thickening, and lymphadenopathy. Conclusion: Early chest CT manifestations of COVID-19 pneumonia are characterized by GGOs, consolidation, and crazy-paving patterns, with a predominant peripheral and subpleural distribution. The extent of lung involvement progresses rapidly in the first week and peaks around day 10. Chest CT is a valuable tool for the early diagnosis and monitoring of COVID-19 pneumonia.
Radiological Manifestations of Pulmonary Tuberculosis in Palembang, Indonesia: A Retrospective Chest X-ray Analysis Agustina, Dessy
Sriwijaya Journal of Radiology and Imaging Research Vol. 1 No. 2 (2023): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i1.10

Abstract

Introduction: Pulmonary tuberculosis (PTB) remains a significant global health concern, particularly in developing countries. Chest X-rays (CXRs) are crucial for initial diagnosis and disease monitoring. This study aims to analyze the radiological manifestations of PTB in patients from Palembang, Indonesia, using a retrospective CXR review. Methods: A retrospective review of CXRs from patients diagnosed with PTB at a tertiary care hospital in Palembang between 2018 and 2022 was conducted. Radiological findings were categorized based on standardized criteria and correlated with clinical and demographic data. Results: A total of 350 patients with PTB were included. The most common CXR findings were: consolidation (65%), cavitary lesions (40%), and hilar lymphadenopathy (30%). A significant association was observed between the extent of radiological involvement and disease severity (p<0.001). Conclusion: This study provides insights into the radiological spectrum of PTB in Palembang. CXRs play a vital role in the early detection and management of PTB. Further research is needed to explore the impact of radiological findings on patient outcomes.
Long-Term Imaging Surveillance of Radiation-Exposed Individuals: Insights from a Singaporean Population Philippus Hwai; Tony Lee
Sriwijaya Journal of Radiology and Imaging Research Vol. 2 No. 1 (2024): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i2.69

Abstract

Introduction: Radiation exposure, whether occupational, medical, or accidental, carries a potential risk for long-term health complications, including cancer. Long-term imaging surveillance plays a pivotal role in the early detection and management of such complications. This study investigated the outcomes of a long-term imaging surveillance program in a Singaporean population with a history of radiation exposure. Methods: This retrospective cohort study included individuals with documented radiation exposure who underwent long-term imaging surveillance at a major Singaporean healthcare institution between 2000 and 2023. Data on demographics, radiation exposure history, imaging modalities used, and detected abnormalities were collected and analyzed. Results: A total of 352 individuals (mean age 55.2 ± 12.3 years) were included. The most common sources of radiation exposure were medical procedures (62%), followed by occupational exposure (28%), and accidental exposure (10%). The most frequently utilized imaging modalities were computed tomography (CT) scans (75%), followed by magnetic resonance imaging (MRI) (45%), and ultrasound (30%). The overall incidence of detected abnormalities was 18%, with the most common being thyroid nodules (8%), followed by lung nodules (5%), and breast lesions (3%). Early-stage malignancies were detected in 2.5% of individuals. For every 10 Gy increase in radiation dose, the risk of developing severe imaging abnormalities increases by 25% (OR = 1.25, p < 0.001). For every 10-year increase in age at the time of radiation exposure, the risk of severe abnormalities increases by 18% (OR = 1.18, p = 0.023). Individuals with comorbidities (such as diabetes or heart disease) have a 32% higher risk of developing severe imaging abnormalities (OR = 1.32, p = 0.041). Conclusion: Long-term imaging surveillance in radiation-exposed individuals facilitates the early detection of radiation-related complications. This study underscores the importance of tailored surveillance programs based on the type and level of radiation exposure.
Mapping the Epileptogenic Landscape: A Multimodal MRI Study in Drug-Resistant Epilepsy Patients in India Katherine, Elsha
Sriwijaya Journal of Radiology and Imaging Research Vol. 2 No. 1 (2024): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i2.70

Abstract

Introduction: Drug-resistant epilepsy (DRE) poses a significant challenge to patient management, necessitating precise localization of the epileptogenic zone (EZ) for potential surgical intervention. This study aims to evaluate the utility of multimodal MRI techniques in delineating the EZ in DRE patients in India. Methods: A retrospective analysis was conducted on 50 DRE patients who underwent multimodal MRI evaluation, including high-resolution T1-weighted imaging, T2-weighted imaging, fluid-attenuated inversion recovery (FLAIR), diffusion-weighted imaging (DWI), and susceptibility-weighted imaging (SWI), at a tertiary care center in India. MRI findings were correlated with electroencephalography (EEG) and surgical outcomes. Results: MRI abnormalities were detected in 82% of patients. The most common findings included hippocampal sclerosis (34%), focal cortical dysplasia (26%), and gliosis (18%). DWI and SWI revealed subtle abnormalities in 20% of patients not detected on conventional MRI. Concordance between MRI and EEG was observed in 76% of cases. Surgical outcomes were favorable in 70% of patients with complete resection of the MRI-defined EZ. Conclusion: Multimodal MRI is a valuable tool for mapping the epileptogenic landscape in DRE patients. It aids in the identification of subtle abnormalities, enhances the accuracy of EZ localization, and contributes to improved surgical outcomes.
Exploring the Potential of Novel Gadolinium-Free Contrast Agents in MRI: A Pilot Study in a Mexican Cohort Juan Felix Ramirez; Matilda Munoz
Sriwijaya Journal of Radiology and Imaging Research Vol. 2 No. 1 (2024): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i2.71

Abstract

Introduction: Gadolinium-based contrast agents (GBCAs) have been instrumental in enhancing MRI diagnostic capabilities. However, concerns about gadolinium deposition and associated adverse events have spurred research into safer alternatives. This pilot study aimed to evaluate the safety and efficacy of a novel gadolinium-free contrast agent (GBCA-X) in a Mexican cohort. Methods: This prospective, single-center study enrolled 30 adult patients scheduled for contrast-enhanced MRI examinations. Patients received GBCA-X intravenously, and MRI scans were performed using standard protocols. Image quality, contrast enhancement, and adverse events were assessed. Results: GBCA-X provided adequate contrast enhancement in all patients, enabling clear visualization of target tissues and pathologies. Image quality was comparable to that achieved with GBCAs. No immediate or delayed adverse events were reported. Conclusion: This pilot study suggests that GBCA-X is a safe and effective alternative to GBCAs. Further studies with larger cohorts and diverse patient populations are warranted to confirm these findings and establish the role of GBCA-X in clinical practice.
Impact of Artificial Intelligence on Radiologist Workflow and Diagnostic Accuracy in Tokyo Hospitals: A Comparative Study Mashimo Hinohara
Sriwijaya Journal of Radiology and Imaging Research Vol. 2 No. 1 (2024): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i2.72

Abstract

Introduction: The integration of Artificial Intelligence (AI) into radiology holds the promise of enhancing workflow efficiency and diagnostic accuracy. This study aimed to evaluate the impact of AI implementation on radiologist workflow and diagnostic performance in Tokyo hospitals. Methods: A comparative study was conducted across five major hospitals in Tokyo. Two hospitals had fully integrated AI into their radiology workflow, while three served as controls with conventional practices. Data were collected on reading time, diagnostic accuracy, and radiologist satisfaction through surveys and performance metrics. Statistical analysis was performed to compare AI-integrated and control groups. Results: AI integration was associated with a significant reduction in reading time per case (p < 0.05). Diagnostic accuracy improved modestly in complex cases with AI assistance (p < 0.05). Radiologist satisfaction surveys indicated increased confidence and reduced burnout in the AI-integrated group. Conclusion: AI implementation in Tokyo hospitals positively impacts radiologist workflow by decreasing reading time. While improvements in diagnostic accuracy are notable in complex cases, the overall impact is modest. AI contributes to enhanced radiologist satisfaction. Further research is warranted to explore long-term effects and address potential challenges.
Evaluation of MRI-PDFF (Magnetic Resonance Imaging-Proton Density Fat Fraction) as a Non-invasive Biomarker for Liver Steatosis in a Medan Population: A Cross-Sectional Study Armalia, Sarah; Agus Supriyatno
Sriwijaya Journal of Radiology and Imaging Research Vol. 2 No. 1 (2024): Sriwijaya Journal of Radiology and Imaging Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjrir.v1i2.73

Abstract

Introduction: Liver steatosis is a growing global health concern, often linked to metabolic syndrome. Accurate non-invasive assessment is vital for early diagnosis and management. MRI-PDFF has emerged as a promising quantitative technique for measuring liver fat. This study aimed to evaluate the utility of MRI-PDFF in quantifying liver steatosis in a Medan population and its correlation with clinical and metabolic parameters. Methods: A cross-sectional study was conducted on individuals residing in Medan, Indonesia. Participants underwent clinical assessments, laboratory tests, and MRI examinations, including PDFF measurements. Liver steatosis was categorized based on PDFF thresholds. Statistical analyses assessed correlations between MRI-PDFF and clinical parameters, including age, gender, BMI, liver function tests, and metabolic markers. Results: 200 participants were enrolled. MRI-PDFF demonstrated a strong correlation with liver steatosis grades (r = 0.85, p < 0.001). PDFF values were significantly higher in individuals with obesity, metabolic syndrome, and elevated liver enzymes. ROC curve analysis revealed high sensitivity (88%) and specificity (85%) of MRI-PDFF in diagnosing liver steatosis at an optimal cutoff of 8.5% PDFF. Conclusion: MRI-PDFF is a reliable and non-invasive biomarker for quantifying liver steatosis in the Medan population. Its strong correlation with clinical and metabolic parameters underscores its potential for risk stratification and monitoring treatment response in individuals with fatty liver disease.

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