Jessica Hui, Fabiana Chacur Policeni, Rodrigo Moreira Bello, Su Kim Hsieh
{"title":"Incidental Breast Findings on Chest CT: Rates of Report and Follow-Up.","authors":"Jessica Hui, Fabiana Chacur Policeni, Rodrigo Moreira Bello, Su Kim Hsieh","doi":"10.1155/rrp/8477697","DOIUrl":"10.1155/rrp/8477697","url":null,"abstract":"<p><strong>Objective: </strong>This study aims to determine the incidence and types of breast findings detected on chest CTs at our institution and assess rates of subsequent follow-up imaging and breast cancer screening.</p><p><strong>Methods: </strong>A retrospective review of all chest CTs performed at our institution over a 2-year period (1/1/2022-1/1/2024) was conducted, demonstrating 1540 patients above the age of 40 with incidental breast findings identified using a text search of the reports, and follow-up recommendations were documented. Clinical outcomes were analyzed for cases with recommended dedicated breast imaging.</p><p><strong>Results: </strong>Incidental breast findings were detected in 14.3% of chest CTs in women above or at the age of 40. Further breast imaging was recommended in 54 cases, with 21 cases having associated dedicated breast imaging performed. Of these, corresponding dedicated workup revealed predominantly benign findings, with 82% representing benign or likely benign etiologies and only 4 cases representing malignancy. The likelihood of performing follow-up imaging was influenced by the language used in the report, with a 40% completion rate for studies using definitive wording as compared to 0% for optional wording.</p><p><strong>Conclusion: </strong>There is a considerable rate of incidental breast findings visualized on chest CTs, which are predominantly benign. However, as there is a potential for visualization of malignant lesions, standardized reporting and follow-up protocols are essential to ensure proper evaluation and management. Further research is needed for evaluating and standardizing the potential use of chest CTs for assessing incidental breast lesions.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2026 ","pages":"8477697"},"PeriodicalIF":1.4,"publicationDate":"2026-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13296225/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148347397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Multicenter Study Suggests Unsupervised Learning Derived From MRI Identifies Prognostic Subgroups in Prostate Cancer Patients After Prostatectomy.","authors":"Guoqing Hu, Xiaofeng Liu, Zhangzhe Chen, Bingni Zhou, Hualei Gan, Ruchuan Chen, Liangping Zhou, Yajia Gu, Xiaohang Liu","doi":"10.1155/rrp/6424056","DOIUrl":"10.1155/rrp/6424056","url":null,"abstract":"<p><strong>Objective: </strong>To identify subgroups of patients with prostate cancer (PCa) after radical prostatectomy (RP) based on clinical and magnetic resonance imaging (MRI) radiomics features and evaluate the prognostic value in predicting 5-year progression-free survival (PFS).</p><p><strong>Materials: </strong>Preoperative MRI and clinical data from 400 patients (185 with recurrence) were collected from three centers (one training and two external validation groups). Radiomics features were extracted from index lesions. PFS-associated clinical and radiomics features were selected by least absolute shrinkage and selection operator (LASSO)-Cox analysis. The K-means clustering method was used to identify subgroups and construct a Radiomic-Clinical model. PFS differences across subgroups were assessed using Kaplan-Meier survival analyses. The predictive performance of the Radiomic-Clinical model was compared with the European Association of Urology (EAU), University of California, San Francisco (UCSF) Cancer of the Prostate Risk Assessment (CAPRA), and PIPEN models using the concordance index (C-index).</p><p><strong>Results: </strong>A total of 5 clinical and 13 radiomics features were selected, and three distinct prognostic subgroups were identified within the Radiomic-Clinical model. The Radiomic-Clinical model demonstrated superior predictive accuracy with C-indices of 0.82 (training group), 0.78 (validation group 1), and 0.79 (validation group 2), outperforming the EAU (0.68, 0.70, and 0.65), CAPRA (0.71, 0.67, and 0.70), and PIPEN models (0.71, 0.70, and 0.68) (<i>p</i> < 0.05).</p><p><strong>Conclusion: </strong>Unsupervised learning using radiomics and clinical data effectively identifies distinct prognostic subgroups in PCa patients after RP, offering superior predictive performance over existing models for 5-year PFS.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2026 ","pages":"6424056"},"PeriodicalIF":1.4,"publicationDate":"2026-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13250766/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148228871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zahra Vasegh, Yaser Safi, Mina Iranparvar Alamdari, Katayoun Ghaffari, Mehdi Hosseinzadeh
{"title":"What Drives Metal Artifacts in CBCT? A Comparative Study of Detector Types and Metallic Object Configurations.","authors":"Zahra Vasegh, Yaser Safi, Mina Iranparvar Alamdari, Katayoun Ghaffari, Mehdi Hosseinzadeh","doi":"10.1155/rrp/7326369","DOIUrl":"10.1155/rrp/7326369","url":null,"abstract":"<p><strong>Background: </strong>One major limitation of cone beam computed tomography (CBCT) systems is the presence of metallic artifacts. Given the widespread use of metals in dental treatments and the diversity of CBCT designs, this study aimed to compare the effect of aligned and lateral offset detectors on metal artifact formation within the field of view (FOV).</p><p><strong>Methods: </strong>This in vitro cross-sectional study evaluated four CBCT systems-two with aligned and two with lateral offset detectors. A dry human skull phantom was scanned with various metallic objects (a titanium implant, a tooth with a chrome-cobalt post and PFM crown, and a tooth with an amalgam restoration) placed in the FOV in two orientations (same vs. opposite side of the region of interest [ROI]) and in three quantities (1, 2, or 3 objects). A polypropylene tube filled with dipotassium phosphate solution was placed in the right first premolar socket to simulate alveolar bone. Ten axial slices were analyzed using 1.5-mm circular ROIs. Mean gray value (MGV) and standard deviation (SD) were calculated, where higher MGV and lower SD indicate lower artifact severity. Data were analyzed with four-way weighted analysis of variance (ANOVA), and multiple comparisons were performed using Games-Howell, Bonferroni, and <i>t</i>-tests (<i>p</i> < 0.05).</p><p><strong>Results: </strong>Detector type, material, object location, and number significantly affected artifact formation. Aligned detectors showed significantly higher MGV and lower SD, indicating reduced artifact severity (<i>p</i> < 0.001). Amalgam produced the most severe artifacts, reflected by the lowest MGVs, while cobalt-chromium yielded the highest variability (SD) (<i>p</i> < 0.005). Artifacts were more severe when metallic objects were on the same side as the ROI and increased with more objects. Several significant interaction effects were observed (<i>p</i> < 0.05).</p><p><strong>Conclusion: </strong>Detector type, metal composition, and the number and position of metallic objects within the FOV significantly influence artifact formation in CBCT images. Optimizing these factors can reduce artifacts and improve image quality.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2026 ","pages":"7326369"},"PeriodicalIF":1.4,"publicationDate":"2026-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13243878/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148213248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Factors Affecting Job Satisfaction Among Diagnostic Radiography Technologists in Kuwait: A Mixed-Methods Research Study.","authors":"Ebtehal M Al-Qattan, Hamad Al-Hamad, Asseel Khalaf, Raed Saeed, Nabeel Akhtar","doi":"10.1155/rrp/8811382","DOIUrl":"10.1155/rrp/8811382","url":null,"abstract":"<p><strong>Background: </strong>Job satisfaction plays an important role in the retention of employees. The main factors that affect job satisfaction include nine components, which are payment, promotions, supervision, fringe benefits, contingent rewards, operating conditions, co-workers, nature of work, and communication.</p><p><strong>Objective: </strong>This study aimed to determine the factors that affect the job satisfaction among diagnostic radiography technologists (DRTs) in Kuwait.</p><p><strong>Methods: </strong>The research utilized a mixed-methods approach. Part I was a questionnaire study, which consisted of 32 questions, distributed electronically to the technologists in Kuwait's hospitals. Part II involved 12 face-to-face semistructured interviews. The responses were collected and statistically processed using SPSS version 20.</p><p><strong>Results: </strong>The mean satisfaction level of DRTs was 136. Fifty-one percent (51%) were satisfied, 37% were neutral, and the remaining 11.6% were dissatisfied. Nine domains were analyzed, and it was found that nationality, gender, and education significantly impacted satisfaction levels, whereas non-Kuwaiti, males, and graduates with a B.Sc. showed higher levels of satisfaction (<i>p</i> < 0.05). The thematic analysis has determined three emerging themes, each with two subthemes, that provide a deeper understanding of the factors contributing to their work-related well-being. These themes are recognition and organizational support, professional growth and compensation, work environment, and educational impact.</p><p><strong>Conclusion: </strong>The general satisfaction among the DRTs in the Kuwaiti governmental hospitals was skewed to moderate to high satisfaction levels. The findings suggest that government policymakers should focus on improving promotion programs and career development for radiographers.</p><p><strong>Contribution: </strong>This paper provides insights into radiographers' job satisfaction, guiding workforce policy and professional development initiatives.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2026 ","pages":"8811382"},"PeriodicalIF":1.4,"publicationDate":"2026-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13181323/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147977123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Joshua Tambe, Yannick Onana, Nicholas Tendongfor, Marie-José Essi, S Ariane Christie, Alain Chichom-Mefire
{"title":"Injury Patterns and Predictors of Delays to Obtaining Computed Tomography in the North Region of Cameroon.","authors":"Joshua Tambe, Yannick Onana, Nicholas Tendongfor, Marie-José Essi, S Ariane Christie, Alain Chichom-Mefire","doi":"10.1155/rrp/8575274","DOIUrl":"10.1155/rrp/8575274","url":null,"abstract":"<p><strong>Introduction: </strong>Injuries constitute a global public health problem, with a higher disease burden in low- and middle-income countries where disability and mortality are significantly high. Accessibility concerns nevertheless persist regarding computed tomography (CT) utilization, the imaging workhorse for the assessment of most injuries. This study aimed to contribute to understanding injury patterns in Cameroon and to assess delays in obtaining CT in a low human development index setting.</p><p><strong>Methods: </strong>A cross-sectional hospital-based study was conducted from July 2023 to December 2024 at a university-affiliated referral hospital in the North Region of Cameroon. Data were collected from all patients aged 18 years and above who were referred with moderate to severe injuries after consent was obtained. Logistic regression modeling was used to identify predictors of delays to CT utilization, and the threshold for statistical significance was set at 0.05.</p><p><strong>Results: </strong>A total of 511 participants were enrolled, with a sex ratio of 1.8:1 and a mean (SD) age of 30.6 ± 6.4 years. Road traffic injuries (RTIs) accounted for 69.9% (275/393) of injuries, followed by stab wounds (11.9%; 47/393). Motorbike use was reported in 52.4% (144/275) of the patients and was also the primary means of transportation to the referral hospital (55.3%; 213/385). Overall, extremity fractures were the most common lesions (49.6%; 192/387). Predictors of delays to obtaining CT were age < 40 years (<i>a</i>OR = 7.6, 95%CI: 2.4-23.9, and <i>p</i> = 0.001), male sex (<i>a</i>OR = 4.9, 95%CI: 2.3-10.7, and <i>p</i> < 0.001), reporting financial difficulties (<i>a</i>OR = 13.8, 95%CI: 4.9-38.9, and <i>p</i> < 0.001), and sustaining an RTI (<i>a</i>OR = 3.9, 95%CI: 1.9-7.9, and <i>p</i> < 0.001).</p><p><strong>Conclusion: </strong>RTIs are the predominant injury mechanism in the North Region of Cameroon, involving mostly motorbikes and young males for whom CT access is a challenge. Reinforcing policies that ensure the safety of all road users and that facilitate access to CT imaging would improve health outcomes.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2026 ","pages":"8575274"},"PeriodicalIF":1.4,"publicationDate":"2026-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13107261/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147788770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yan Hu, Wei Zhou, Shangyan Xu, Guiping Zhang, Xiaoling Ma, Lu Zhang, Weiwei Zhan
{"title":"Long-Term Ultrasound Surveillance of Solid and Predominantly Solid Thyroid Nodules Reveals Two Distinct Absorption Patterns.","authors":"Yan Hu, Wei Zhou, Shangyan Xu, Guiping Zhang, Xiaoling Ma, Lu Zhang, Weiwei Zhan","doi":"10.1155/rrp/5896301","DOIUrl":"10.1155/rrp/5896301","url":null,"abstract":"<p><strong>Background: </strong>To characterize volume reduction in benign solid and predominantly solid thyroid nodules during long-term ultrasound surveillance, and to describe distinct absorption patterns over time.</p><p><strong>Methods: </strong>This retrospective study included 34 solid or predominantly solid thyroid nodules from 32 patients (median age, 46 years; 78.1% female), who underwent longitudinal ultrasound surveillance for a median of 28 months (interquartile range, 47-120 months). Volumetric measurements were obtained at multiple time points. Generalized additive mixed models (GAMMs) were employed to model nonlinear trends in volume over time. Unsupervised clustering was applied to identify representative regression trajectories based on individual volume curves. Clinical and ultrasound features were compared between trajectory-defined groups.</p><p><strong>Results: </strong>All nodules exhibited measurable volume decrease over time (median reduction: 85.6%). Two representative volume change patterns were identified: a rapid-absorption group with early shrinkage and a slow-absorption group with gradual decline. Nodules in the latter were more frequently located in the lower pole and lacked Doppler flow at baseline (<i>p</i> < 0.05). Some nodules developed hypoechoic or stiff appearances over time, leading to higher TIRADS categories despite continuous shrinkage and no clinical signs of malignancy.</p><p><strong>Conclusion: </strong>Solid and predominantly solid thyroid nodules can undergo significant volume reduction during long-term surveillance, resembling the well-documented absorption phenomenon of cystic nodules. This phenomenon may be underrecognized in clinical practice. Describing the diversity of volume change patterns may improve the understanding and interpretation of nodule evolution during follow-up.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2026 ","pages":"5896301"},"PeriodicalIF":1.4,"publicationDate":"2026-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12820343/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146031524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Percutaneous Transhepatic Retrieval of Dysfunctional Plastic Biliary Stents.","authors":"Milan Sigdel, Chengzhi Zhang, Manoj Sigdel, Mikias Legesse Gebremedhin, Roshan Bhattarai, Xueliang Zhou, Mengyao Song, Kaihao Xu, Dechao Jiao","doi":"10.1155/rrp/9346732","DOIUrl":"10.1155/rrp/9346732","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the safety and efficacy of percutaneous transhepatic retrieval of dysfunctional plastic biliary stent (PBS).</p><p><strong>Materials and methods: </strong>In this retrospective, single-center study, clinical and procedural data of 36 patients who underwent percutaneous transhepatic retrieval of dysfunctional PBS between January 2015 and April 2021 were analyzed. The primary outcomes were technical success, clinical success, complications, procedure time, and radiation exposure. The secondary outcomes were biochemical indicators (total bilirubin [TB], direct bilirubin [DB], glutamic transaminase [ALT], and CA-19-9) measured before treatment and two weeks posttreatment.</p><p><strong>Results: </strong>Technical and clinical success were both 100%. Minor complications occurred in 4 cases (11.2%), including 3 hemobilia (Grade 1) and 1 mild cholangitis (Grade 2). The mean procedure time was 39.22 ± 9.34 minutes, with no statistical significance between benign and malignant disease groups ([40.52 ± 9.0] min vs. [38.91 ± 9.5], <i>p</i> = 0.68). The mean radiation exposure was 326.13 ± 206.06 mGy, with no statistical significance between benign and malignant groups ([353.64 ± 258.93] mGy vs. [319.49 ± 196.15] mGy, <i>p</i> > 0.75). Liver functions parameter improved significantly after 2 weeks (TB: [168.31 ± 53.07] vs. [41.70 ± 7.29] μmol/L, DB: [133.51 ± 46.42] vs. [25.39 ± 7.26] μmol/L, ALT: [94.67 ± 38.06] vs. [47.41 ± 13.69] U/L, and CA-19-9: [479.11 ± 160.14] vs. [150.72 ± 105.72] U/mL) (all <i>p</i> = 0.01).</p><p><strong>Conclusion: </strong>This study suggests that percutaneous transhepatic retrieval of dysfunctional PBS appears to be a safe and effective alternative when ERCP is not feasible. However, given the retrospective single-center design, limited sample size, and short follow-up, larger multicenter studies with longer observation are needed to validate these findings.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2026 ","pages":"9346732"},"PeriodicalIF":1.4,"publicationDate":"2026-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12786153/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145953622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andrea Šprláková-Puková, Matej Straka, Tereza Habas, Adam Čellár, Marek Dostál, Tamara Barusová, Marek Sova, Soňa Kryštofová, Martin Smrčka
{"title":"MRI Predictors for Improvement Without Any Intervention of Clinical Symptoms in Patients With Lumbar Disc Herniation, Questioning the True Need for Surgery.","authors":"Andrea Šprláková-Puková, Matej Straka, Tereza Habas, Adam Čellár, Marek Dostál, Tamara Barusová, Marek Sova, Soňa Kryštofová, Martin Smrčka","doi":"10.1155/rrp/4954622","DOIUrl":"10.1155/rrp/4954622","url":null,"abstract":"<p><strong>Introduction: </strong>Spontaneous resorption of a herniated lumbar disc and disappearance of clinical symptoms without repair is a well-known but not well-studied phenomenon. This prospective study uses magnetic resonance images to search for predictors as to the possibility of spontaneous herniation resorption without any intervention and patients' predisposition to benefit from conservative treatment.</p><p><strong>Materials and methods: </strong>Of the 125 patients examined by magnetic resonance imaging, 22 had clinical symptoms that spontaneously (without any intervention) disappear. The spinal condition of each was classified using Fardon's, Modic's, and Pfirman's classifications, and physical dimensions of the affected disc and herniated disc were measured. Inter- and intrareproducibility of this measurement were determined. Predictors for spontaneous disappearance of clinical symptoms were selected using multivariable logistic regression and receiver operating characteristic (ROC) analysis.</p><p><strong>Results: </strong>The measurement uncertainty was less than four pixels for most parameters. Fardon's classification and middle height of the affected disc were the only clinically relevant parameters statistically proven to be predictors of clinical symptoms resolution (<i>p</i> < 0.01). By combining these appropriately, we are able to identify a group of patients who have up to 22.5 times greater chance of spontaneous regression compared to others (odds ratio = 22.5, <i>p</i> < 0.001).</p><p><strong>Conclusion: </strong>By a suitable combination of the two parameters, we can select patients who are suitable candidates for conservative treatment of lumbar disc herniation and unlikely to require surgery.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2026 ","pages":"4954622"},"PeriodicalIF":1.4,"publicationDate":"2026-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12767671/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145913835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Philip A Arnone, Lauren M Richards, Kalan C Stittleburg, Michael T Weiner, Alyssa K Dennis
{"title":"Risk and Safety in Radiographic Utilization: Evaluating the Evidence From Current Research.","authors":"Philip A Arnone, Lauren M Richards, Kalan C Stittleburg, Michael T Weiner, Alyssa K Dennis","doi":"10.1155/rrp/8843173","DOIUrl":"10.1155/rrp/8843173","url":null,"abstract":"<p><p>The 19<sup>th</sup>-century discovery of radiographic imaging techniques revolutionized healthcare, allowing doctors to indirectly \"see\" inside their living patients. It was not until the mid-20<sup>th</sup> century that mutagenic effects from radiation exposure became a topic of concern. Since then, healthcare providers, scientists, and regulatory agencies have battled the question, \"Does radiation exposure from radiographic imaging increase the risk of developing cancers and heritable conditions?\" With no established answer, physicians must rely on the available evidence when assessing the risk versus benefit of having their patients x-rayed. This review aims to gather and consolidate the available evidence so physicians can make informed decisions when ordering tests that use x-rays. Popular topics such as the linear-no-threshold (LNT) model, radiation hormesis, and the as-low-as-reasonably-achievable (ALARA) principle are covered. Epidemiology studies, x-ray physics, and related basic sciences are reviewed.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2025 ","pages":"8843173"},"PeriodicalIF":1.5,"publicationDate":"2025-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12681402/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145702686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comparative Diagnostic Accuracy of MRI and Ultrasound in Meniscal Tear Detection: Evaluating Reliability and Limitations Against Arthroscopic Outcomes.","authors":"Yasser Noorelahi","doi":"10.1155/rrp/6270476","DOIUrl":"10.1155/rrp/6270476","url":null,"abstract":"<p><strong>Objective: </strong>Accurate meniscal tear diagnosis is essential for proper knee injury management. While MRI is the gold standard, ultrasound (US) offers a cost-effective alternative. However, its accuracy compared to arthroscopy remains uncertain. This study evaluates the diagnostic performance of US versus MRI, using arthroscopic outcomes as the benchmark for meniscal tear detection.</p><p><strong>Methods: </strong>A prospective cohort study was conducted on 208 patients aged 18-60 years with suspected meniscal injuries. Each patient underwent both US and MRI, with findings compared to arthroscopy, the gold standard for confirmation. Clinical, imaging and arthroscopic data were systematically recorded and analysed for sensitivity, specificity and diagnostic agreement. The McNemar test was used to assess differences in sensitivity and specificity between US and MRI, while the <i>κ</i> coefficient evaluated the agreement between US, MRI and arthroscopy.</p><p><strong>Results: </strong>MRI demonstrated higher diagnostic accuracy (91.83%) compared to US (84.62%) in detecting meniscal tears, using arthroscopy as the gold standard. MRI showed superior sensitivity (96.19% vs. 86.67%), specificity (87.38% vs. 82.52%) and agreement (<i>κ</i> = 0.836 vs. 0.692), with a significant difference compared to arthroscopy (<i>p</i>=0.049).</p><p><strong>Conclusion: </strong>Overall, MRI demonstrated superior diagnostic accuracy, sensitivity and specificity compared to US, suggesting that it is a more reliable imaging modality for detecting meniscal tears when arthroscopy is not feasible. In addition, US limitations in detecting complex tear patterns highlight the need for further refinement of US techniques.</p>","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"2025 ","pages":"6270476"},"PeriodicalIF":1.5,"publicationDate":"2025-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12680451/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145702623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}