Radiologia最新文献

{"title":"Imaging features at the time of diagnosis of osteosarcoma and Ewing sarcoma in children","authors":"C. Moreno-Reina,&nbsp;M. Bueno-Gómez,&nbsp;J.I. Guitiérrez-Carrasco,&nbsp;P. Caro-Domínguez","doi":"10.1016/j.rxeng.2023.11.003","DOIUrl":"10.1016/j.rxeng.2023.11.003","url":null,"abstract":"<div><h3>Introduction</h3><div><span><span>Osteosarcoma and </span>Ewing sarcoma are the most frequent malignant bone tumours in children. The aim of this study is to characterize clinical and radiological features at presentation of a large cohort of children with these diseases, </span>radiological findings<span> useful to differentiate them and the main prognostic factors.</span></div></div><div><h3>Material and methods</h3><div>Retrospective analysis of clinical and imaging findings of 83 children diagnosed and treated of Ewing sarcoma and osteosarcoma in a paediatric hospital during a period of 10 years.</div></div><div><h3>Results</h3><div><span><span>Both tumours showed aggressive radiological features such as permeative or moth-eaten margins, cortical disruption, discontinuous periosteal reaction, intense contrast uptake, tumoral necrosis and soft-tissue component. They differed in their location, osseous matrix and gender predilection. Osteosarcoma occurred more frequently in the metaphysis of long bones (62%) with a blastic appearance (53%). Ewing sarcoma showed a predilection for male patients (71%), occurred in flat bones (42%) and in the </span>diaphysis<span> of long bones (58%) with a lytic appearance (82%). 29% of children presented with primary metastasis<span>, most frequently located in the lungs. Survival rates were 78% in OS and 76% in Ewing sarcoma. Metastatic disease, aggressive radiological features and low percentage of tumoral necrosis after neoadjuvant chemotherapy were associated with poor prognosis (</span></span></span><em>p</em> &lt; 0.05).</div></div><div><h3>Conclusions</h3><div>Imaging can confidently diagnose malignant paediatric bone tumours in children and may differentiate Ewing sarcoma from osteosarcoma, based on gender, location and appearance of the neoplasm. Metastatic disease, presence of aggressive radiological features and low percentage of tumoral necrosis after neoadjuvant chemotherapy were associated with poor prognosis.</div></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 253-262"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138618407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of altmetrics in the scientific literature","authors":"A. Ezponda","doi":"10.1016/j.rxeng.2025.02.002","DOIUrl":"10.1016/j.rxeng.2025.02.002","url":null,"abstract":"","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 251-252"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Current state of the interventional approach to acute pulmonary embolism","authors":"J.J. Ciampi-Dopazo ,&nbsp;J.A. Guirola-Ortiz ,&nbsp;P. Garcia-Flores","doi":"10.1016/j.rxeng.2024.01.008","DOIUrl":"10.1016/j.rxeng.2024.01.008","url":null,"abstract":"<div><div>Massive pulmonary embolism (PE) is a disease with high mortality, therefore early diagnosis and treatment is essential to save lives. In the absence of contraindications, patients with massive PE (high risk) should be treated immediately with full-dose intravenous systemic thrombolysis. The subset of patients for whom systemic thrombolysis is not successful and who continue to present with haemodynamic compromise or those with contraindications may be candidates for various catheter-directed or surgical therapies. The decision algorithm in intermediate-high/submassive risk patients is complex and must be employed by a multidisciplinary team and success may depend on the experience of the medical specialists involved.</div></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 370-377"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thoracic pain: From guidelines to clinical practice","authors":"A.I. Barrio Alonso ,&nbsp;J. Broncano Cabrero ,&nbsp;A.M. Villán González ,&nbsp;Y. López Suárez ,&nbsp;C. López Muñiz ,&nbsp;A. Luna Alcalá","doi":"10.1016/j.rxeng.2024.05.007","DOIUrl":"10.1016/j.rxeng.2024.05.007","url":null,"abstract":"<div><div>Thoracic pain is the most prevalent symptom in patients with cardiovascular diseases. Diagnosis and patient management are guided by the pain attributes, analytical parameters, and several different imaging modalities. Invasive imaging tests and cardiac magnetic resonance are highly relevant in this context, as set out in the 2023 European guidelines for the management of acute coronary syndromes, the 2023 American guidelines for the management of patients with chronic coronary disease, and the 2021 American guidelines for the evaluation and diagnosis of chest pain. This article focuses on the role that these guidelines attribute to non-invasive cardiac imaging (computed tomography and cardiac magnetic resonance) in the management of both acute and chronic coronary syndrome.</div></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 399-412"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical applications of four-dimensional flow magnetic resonance imaging","authors":"G. Muller Bravo ,&nbsp;J. Broncano Cabrero ,&nbsp;N. Cobo Gómez ,&nbsp;A. Luna Alcalá","doi":"10.1016/j.rxeng.2024.05.008","DOIUrl":"10.1016/j.rxeng.2024.05.008","url":null,"abstract":"<div><div>Four-dimensional flow magnetic resonance imaging (MRI) is a time-resolved three-dimensional phase-contrast technique. It provides volumetric information for the cardiovascular system of interest through blood flow velocity mapping in three spatial dimensions throughout the cardiac cycle. The technological advances of MRI over the last two decades have facilitated its transition from the experimental environment into clinical practice, thereby enabling the non-invasive in vivo assessment of haemodynamics across various vascular territories of the human body. This article endeavours to elucidate its inception and fundamental technical principles, to delineate its main clinical indications—particularly in the cardiothoracic domain—, and to review its limitations and future directions. The ongoing evolution of this diagnostic modality continues to develop further understanding of the interplay between abnormal haemodynamics and cardiovascular pathologies, promising enhanced clinical value.</div></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 413-429"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A commercial AI tool untrained for COVID-19 demonstrates slight improvement in the interpretation of COVID-19 pneumonia x-rays, especially among inexperienced readers","authors":"M. Pérez Laencina ,&nbsp;J.M. Plasencia Martínez ,&nbsp;M. Sánchez Canales ,&nbsp;C. Jiménez Pulido ,&nbsp;R. Rodríguez Mondéjar ,&nbsp;L. Martínez Encarnación ,&nbsp;C. García Hidalgo ,&nbsp;D. Galdo Galián ,&nbsp;P. Hernández Madrid ,&nbsp;L. Chico Caballero ,&nbsp;E. Guillén García ,&nbsp;M.N. Plasencia Martínez ,&nbsp;S. Martínez Romero ,&nbsp;J. García Molina ,&nbsp;J.M. García Santos","doi":"10.1016/j.rxeng.2025.01.001","DOIUrl":"10.1016/j.rxeng.2025.01.001","url":null,"abstract":"<div><h3>Introduction</h3><div>Our objective is to evaluate how useful an artificial intelligence (AI) tool is to chest radiograph readers with various levels of expertise for the diagnosis of COVID-19 pneumonia when the tool has been trained on a non-COVID-19 pneumonia pathology.</div></div><div><h3>Methods</h3><div>Data was collected for patients who had previously undergone a chest radiograph and digital tomosynthesis due to suspected COVID-19 pneumonia. The gold standard consisted of the readings of two expert radiologists who assessed the presence and distribution of COVID-19 pneumonia on the images. Six medical students, two radiology trainees, and two other expert thoracic radiologists participated as additional readers. Two radiograph readings and a third supported by the AI Thoracic Care Suite tool were performed. COVID-19 pneumonia distribution and probability were assessed along with the contribution made by AI. Agreement and diagnostic performance were analysed.</div></div><div><h3>Results</h3><div>The sample consisted of 113 cases, of which 56 displayed lung opacities, 52.2% were female, and the mean age was 50.70 ± 14.9. Agreement with the gold standard differed between students, trainees, and radiologists. There was a non-significant improvement for four of the six students when AI was used. The use of AI by students did not improve the COVID-19 pneumonia diagnostic performance but it did reduce the difference in diagnostic performance with the more expert radiologists. Furthermore, it had more influence on the interpretation of mild pneumonia than severe pneumonia and normal radiograph findings. AI resolved more doubts than it generated, especially among students (31.30% vs 8.32%), followed by trainees (14.45% vs 5.7%) and radiologists (10.05% vs 6.15%).</div></div><div><h3>Conclusion</h3><div>For expert and lesser experienced radiologists, this commercial AI tool has shown no impact on chest radiograph readings of patients with suspected COVID-19 pneumonia. However, it aided the assessment of inexperienced readers and in cases of mild pneumonia.</div></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 273-286"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"European Diploma in Radiology (EDiR) clinical cases","authors":"Editorial Board of Radiology","doi":"10.1016/j.rxeng.2025.03.002","DOIUrl":"10.1016/j.rxeng.2025.03.002","url":null,"abstract":"","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 430-431"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pulmonary neuroendocrine cells: Spectrum of diseases and their radiological-pathological correlations","authors":"E. Baettig ,&nbsp;M.F. Molina-Centelles ,&nbsp;A. Amr-Rey ,&nbsp;N. Mancheño-Franch ,&nbsp;C. Muñoz-Núñez","doi":"10.1016/j.rxeng.2024.04.007","DOIUrl":"10.1016/j.rxeng.2024.04.007","url":null,"abstract":"<div><div>Pulmonary neuroendocrine cells, which constitute a small percentage (0.4%) of airway epithelial cells, play a key role in hypoxia detection, epithelial growth and regeneration, and in lung organogenesis through the synthesis and secretion of amines and peptides. Lesions resulting from pulmonary neuroendocrine cell proliferation range from benign and indolent to malignant and highly aggressive. The recently updated WHO classification of pulmonary neuroendocrine neoplasms includes typical and atypical carcinoid tumours as well as high-grade neuroendocrine carcinomas: large cell neuroendocrine carcinomas and small cell carcinomas. This classification also recognises a condition known as diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) as a distinct entity. Radiologists need to become familiar with these pathologies as the symptoms often lack specificity, and thus imaging plays a crucial role in diagnosis. An understanding of the correlation between the radiological and pathological examinations of these pathologies can enhance our awareness of the wide spectrum of imaging manifestations.</div></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 357-364"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Radiological findings of adenoid cystic carcinoma of the breast","authors":"M. Fresno Vallespir ,&nbsp;I. Vázquez de las Heras ,&nbsp;D. Gasior ,&nbsp;A. Morales Rosa ,&nbsp;X. Bargalló Castelló","doi":"10.1016/j.rxeng.2024.11.005","DOIUrl":"10.1016/j.rxeng.2024.11.005","url":null,"abstract":"<div><div>Adenoid cystic carcinoma (ACC) of the breast is a rare tumour that represents less than 0.1% of breast carcinomas. It has a triple-negative phenotype; however, it is associated with a benign course, and both lymph node involvement and distant metastasis are rare. We present seven cases of ACC of the breast diagnosed in our centre. We describe their radiological characteristics, and specifically highlight the findings from magnetic resonance imaging.</div></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 3","pages":"Pages 378-383"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of gynecologic sonography in sexual development assessment of girls and adolescents","authors":"G. Rahman ,&nbsp;M.A. Urrutia ,&nbsp;M.I. Salaberry ,&nbsp;P. Risso ,&nbsp;D.C. Ocampo ,&nbsp;V.G. Gonzalez ,&nbsp;A.V. Rubinstein","doi":"10.1016/j.rxeng.2023.08.006","DOIUrl":"10.1016/j.rxeng.2023.08.006","url":null,"abstract":"<div><h3>Introduction and objectives</h3><div>Transabdominal ultrasonography (US) is the technique of choice for pelvis evaluation in paediatric population. The results of studies regarding US findings show a wide variation. The objectives of our study were: to estimate and correlate uterine and ovarian ultrasound measures (longitudinal diameter and volume) with chronological age, breast Tanner stage (TS) and gynaecological age (GA); to evaluate presence and size of follicles in patients according to their pubertal stage; and to determine the endometrial length in prepubertal and pubertal girls.</div></div><div><h3>Material and methods</h3><div>Unicentric, observational, retrospective, analytical study, conducted between 2010 and 2019. Healthy girls between 8.0 and 16.0 years, attended in the deparment of radiology were evaluated. Breast Tanner's stage (TS) was evaluated and gynaecological age was determined. Ultrasounds were performed by a paediatric diagnostic radiospecialist. Uterus length (UL) and ovarian length (OL) were measured; uterus and ovarian volume were calculated (UV and OV). Diameter of the largest follicle and endometrial thickness were measured.</div></div><div><h3>Results</h3><div>292 patients were analyzed, mean age was 12.5 years (SD: 2.1). A significant correlation was observed between uterine and ovarian measurements with chronological age (CA), TS and GA (<em>p</em> &lt; 0.0001). A significant increase in DLU and VU is described as the CA intervals increase, also in ovarian measurements. No significant differences in measurements were observed between TS I and II. An increase was evidenced at menarche. In 30.9% of pubertal patients and 11.8% of prepubertal patients showed ovarian follicles. The endometrium was not measurable in 88.24% of the pre-pubertal population and was always measurable in patients with TS IV and V.</div></div><div><h3>Conclusions</h3><div>Uterine and ovarian measurements increased with CE and ET (except ETI and II). The greatest increase occurred with menarche. Ovarian follicles and endometrium thickness less than or equal to 1 mm were presented in prepubertal patients.</div></div>","PeriodicalId":94185,"journal":{"name":"Radiologia","volume":"67 2","pages":"Pages 128-136"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}