RADIOLOGIA最新文献

{"title":"Manejo endovascular de productos retenidos de la concepción con comportamiento hipervascular: una revisión integral","authors":"A. Alonso-Burgos ,&nbsp;L. Muñoz-Saá ,&nbsp;G. Gallardo-Madueño ,&nbsp;T. Iscar ,&nbsp;R. Cardenas ,&nbsp;L. Chiva","doi":"10.1016/j.rx.2024.07.005","DOIUrl":"10.1016/j.rx.2024.07.005","url":null,"abstract":"<div><div>Uterine artery embolisation has been proposed as an alternative treatment for hypervascular retained products of conception. This approach constitutes safer transitional management before definitive treatment through evacuation. Its benefits outweigh the risks of intractable intraprocedural haemorrhage. Uterine artery embolisation could ultimately be considered an alternative in itself, obviating the need for obligatory invasive management of retained products of conception. This update aims to review the physiological and imaging characteristics of hypervascular retained products of conception and their therapeutic management. It includes an in-depth analysis of the decision-making processes regarding the endovascular technical approach and uterine artery embolisation to opt for selective or non-selective embolisation based on angiographic findings.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 2","pages":"Article 101631"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147419644","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":"Fístulas arteriales intraabdominales: hallazgos por imagen, la importancia del diagnóstico temprano","authors":"E. Sierra Beltrán,&nbsp;E. Pascual Perez,&nbsp;P. Briceño Torralba,&nbsp;A. Aranaz Murillo,&nbsp;J. García Maroto,&nbsp;C. Hernández Rodríguez,&nbsp;M.E. Guillén Subirán","doi":"10.1016/j.rx.2024.10.003","DOIUrl":"10.1016/j.rx.2024.10.003","url":null,"abstract":"<div><div>Intra-abdominal arterial fistulae are rare but potentially life-threatening conditions that require accurate diagnosis and early treatment.</div><div>Multiphasic computed tomography angiography (CTA) is the gold standard in emergency situations, enabling a detailed evaluation of vascular structures. Magnetic resonance imaging, ultrasound and nuclear medicine techniques may be useful in certain cases.</div><div>Direct signs in CTA include visualisation of the fistulous tract and contrast extravasation. However, it is more common to identify indirect signs such as aortic wall abnormalities, perivascular fat thickening or collections. In addition, other conditions can mimic fistulae, making a differential diagnosis essential.</div><div>The aim of this article is to describe the imaging findings of intra-abdominal arterial fistulae.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 2","pages":"Article 101644"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147419623","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":"Resonancia magnética fetal en patología de cabeza y cuello","authors":"É. Vázquez Méndez ,&nbsp;I. Delgado Álvarez ,&nbsp;Á. Sánchez-Montañez García-Carpintero ,&nbsp;J.M. Escudero Fernández ,&nbsp;C. Giné Prades ,&nbsp;M.T. Higueras Sanz ,&nbsp;C. Rodó Rodríguez","doi":"10.1016/j.rx.2025.501697","DOIUrl":"10.1016/j.rx.2025.501697","url":null,"abstract":"<div><div>Ultrasound and magnetic resonance imaging are complementary techniques in the assessment of fetal head and neck pathology. The aims of this article are to present our experience in evaluating fetuses with head and neck abnormalities, and highlight key MRI findings associated with various abnormalities that affect this region. One particularly important area is that of congenital masses, which are often large in size; in such cases, accurate diagnosis is supported by a multidisciplinary approach, helping to improve the precision of prenatal counselling and to confirm the need for perinatal interventions such as the EXIT procedure.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 2","pages":"Article 501697"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147419621","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":"Renovación y liderazgo: el valor de los grupos jóvenes en las Sociedades Científicas","authors":"Z.H. Chen Zhou","doi":"10.1016/j.rx.2026.501805","DOIUrl":"10.1016/j.rx.2026.501805","url":null,"abstract":"","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 2","pages":"Article 501805"},"PeriodicalIF":1.1,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147419617","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":"Fluctuación espontánea del realce de contraste en el astrocitoma pilocítico adulto","authors":"S.R.K. Ong ,&nbsp;T.J. Rohringer ,&nbsp;A.F. Gao ,&nbsp;A.E. Para ,&nbsp;S. Hiremath ,&nbsp;P. Alcaide-Leon","doi":"10.1016/j.rx.2025.01.003","DOIUrl":"10.1016/j.rx.2025.01.003","url":null,"abstract":"<div><h3>Background</h3><div>Follow-up imaging is crucial in managing primary brain tumors, with changes in contrast enhancement often used as a marker of tumor activity. However, fluctuations of enhancement independent of tumor progression have been described in low grade tumors in the pediatric population. This study aims to characterize the phenomenon of spontaneous contrast enhancement fluctuations in pilocytic astrocytoma and other low-grade primary brain tumors in the adult population.</div></div><div><h3>Methods</h3><div>A retrospective review of our MRI database (2011-2021) identified cases of pilocytic astrocytomas, pilomyxoid astrocytoma and rosette-forming glioneuronal tumors with stable tumor size with enhancement changes in clinically stable adult patients off medical treatment. After excluding those without serial MRIs, we reviewed the MRIs and clinical records of 238 patients. Number of cases with enhancement fluctuations, mean duration of increasing enhancement prior to stability or decline and number of fluctuation cycles were recorded.</div></div><div><h3>Results</h3><div>The cohort included 9 adult patients, 6 pilocytic astrocytomas, 1 pilomyxoid astrocytoma and 2 rosette-forming glioneuronal tumors. Four of these were unresected (44%), while five were residual or recurrent tumors (56%). Despite stable tumor size and clinical status, a variety of enhancement patterns over time were observed: 44% of cases (4/9) demonstrated new or increasing enhancement on follow-up, with subsequent regression of enhancement over a 1-4 year follow-up period. An additional 44% of cases (4/9) displayed cyclical increasing and decreasing enhancement over a longer 7-15 year follow-up period. Mean duration of increasing enhancement prior to stability or decline was 12.3 months (SD 7.1). One case exhibited complete spontaneous resolution of enhancement. Fluctuation in morphology of enhancement was also observed in 44% of cases (4/9).</div></div><div><h3>Conclusions</h3><div>This is the first study to describe spontaneous fluctuation of enhancement in pilocytic astrocytoma and other circumscribed low-grade brain tumors in an adult population. Awareness of this phenomenon is crucial to prevent misinterpretation of enhancement changes as evidence of tumor progression or regression in clinically stable patients, circumventing unnecessary treatment changes and interventions.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 1","pages":"Article 101658"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145915348","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":"Valor de la imagen potenciada en difusión en la estadificación del carcinoma endometrial y en la caracterización de tumores mesenquimales miometriales","authors":"S. Baleato-González ,&nbsp;C. Suárez-Silva ,&nbsp;E. Arias Baltar ,&nbsp;M. Sanmartín López ,&nbsp;J.C. Vilanova ,&nbsp;R. García-Figueiras","doi":"10.1016/j.rx.2024.11.005","DOIUrl":"10.1016/j.rx.2024.11.005","url":null,"abstract":"<div><div>Diffusion-weighted imaging is an advanced technique that plays a key role in the evaluation of uterine tumours. This pictorial review explores key aspects of diffusion-weighted imaging acquisition and application, emphasising its role in diagnosing endometrial cancer and in identifying prognostic factors that influence staging as well as clinical and surgical patient management. It specifically highlights the new 2023 FIGO classification. Additionally, it examines the use of diffusion in the characterisation of myometrial mesenchymal lesions, applying the acronym BET¹T²ER as a memory aid to distinguish between benign and malignant lesions. It draws particular attention to findings that could lead to misinterpretations.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 1","pages":"Article 101648"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145915349","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":"Integración de la consulta y hospitalización en las unidades de radiología vascular intervencionista: posicionamiento de la SERVEI","authors":"J.M. Abadal Villayandre ,&nbsp;S. Lojo-Lendoiro ,&nbsp;C.J. González Nieto ,&nbsp;I. Insausti Gorbea ,&nbsp;S. Méndez Alonso ,&nbsp;M. Gamo Gallego ,&nbsp;J.J. Ciampi Dopazo ,&nbsp;R. Pintado Garrido ,&nbsp;J.A. Guirola Ortiz","doi":"10.1016/j.rx.2025.501739","DOIUrl":"10.1016/j.rx.2025.501739","url":null,"abstract":"<div><div>What was once a technical discipline, interventional vascular radiology (IVR) has now developed into a patient-centred clinical-surgical speciality. The integration of outpatient consultation and inpatient care within IVR units enhances safety, improves clinical outcomes and consolidates the speciality's role within the healthcare system. However, barriers such as lack of time, resources and recognition hinder its implementation. This SERVEI position statement defines the core principles of clinical care in IVR, examines the legal frameworks underpinning it and identifies viable models for hospitalisation, ranging from day units to dedicated inpatient wards. Progressive levels of healthcare provision are proposed, and an organisational model based on homogeneous functional groups (HFGs) is advocated to achieve greater efficiency and visibility. Outpatient consultation plays a central role in accreditation, the training of future specialists and the sustainability of the speciality in an evolving healthcare landscape.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 1","pages":"Article 501739"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145915351","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":"Estudio ecográfico de la axila normal: características anatómicas de los ganglios linfáticos y variaciones de las mismas con la edad","authors":"A.C. Igual Rouilleault ,&nbsp;I. Soriano Aguadero ,&nbsp;C. Sitges Puigivila ,&nbsp;P.L. Quan López ,&nbsp;A. Elizalde Pérez ,&nbsp;L. Pina","doi":"10.1016/j.rx.2024.12.001","DOIUrl":"10.1016/j.rx.2024.12.001","url":null,"abstract":"<div><h3>Objectives</h3><div>To describe the ultrasound characteristics of axillary lymph nodes in healthy individuals and analyse how these characteristics vary with age.</div></div><div><h3>Methods</h3><div>Between February and April 2021, we enrolled a total of 91 healthcare professionals from our centre with no relevant medical history. All participants underwent an axillary ultrasound before participating in the COVID-19 vaccination campaign. The following parameters were recorded: total number of visible lymph nodes, maximum longitudinal diameter and cortical thickness, Bedi classification, and signal intensity on colour Doppler evaluation. We compared the data collected between two age groups [young (&lt;<!--> <!-->45 years) vs middle-aged (≥<!--> <!-->45 years)] using the Student's t-test for continuous quantitative variables and the Mann-Whitney U test for ordinal variables. Variables with a p-value &lt;<!--> <!-->0.05 were considered statistically significant.</div></div><div><h3>Results</h3><div>An average of 2.96 lymph nodes was observed, with mean maximum longitudinal diameter and cortical thickness of 15.8<!--> <!-->mm and 1.6<!--> <!-->mm, respectively. Regarding the Bedi classification and colour Doppler scale, types 2 and 1 were the most common. A comparative analysis between the two age groups showed significantly higher values for cortical thickness, Bedi classification, and colour Doppler classification in the younger volunteers (p<!--> <!-->&lt;<!--> <!-->0.05).</div></div><div><h3>Conclusions</h3><div>Our study highlights the radiological differences between lymph nodes in young and middle-aged volunteers under baseline conditions, emphasizing the importance of careful assessments of borderline-appearing nodes in older patients, especially in oncological contexts.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 1","pages":"Article 101653"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145915470","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":"Resonancia magnética de la ventriculomegalia cerebral fetal","authors":"P. Caro-Domínguez ,&nbsp;L. García Díaz ,&nbsp;G. Antiñolo ,&nbsp;E. Miller ,&nbsp;M. Carvajo ,&nbsp;J.A. Sainz-Bueno","doi":"10.1016/j.rx.2024.02.005","DOIUrl":"10.1016/j.rx.2024.02.005","url":null,"abstract":"<div><div>Fetal ventriculomegaly is one of the most common findings on prenatal ultrasound, and one of the most common indications for fetal magnetic resonance imaging (MRI). The aim of this article is to explain the different terminology used to describe the dilatation of the fetal cerebral ventricles, explain the impact of imaging (ultrasound and MRI) in this clinical scenario, illustrate common causes of ventriculomegaly and summarise the evidence regarding prognosis for these children, in order to be able to provide appropriate prenatal advice.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 1","pages":"Article 101571"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140784931","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":"Actualización de tumores embrionarios, no meduloblastomas: lo que el neurorradiólogo debe saber","authors":"F. Maldonado ,&nbsp;A. Guarnizo ,&nbsp;A.F. Geraldo ,&nbsp;L. Baroni ,&nbsp;N. Fernández Ponce ,&nbsp;C. Rugilo","doi":"10.1016/j.rx.2024.07.003","DOIUrl":"10.1016/j.rx.2024.07.003","url":null,"abstract":"<div><div>In recent years, the classification of embryonal tumours (ETs) of the Central Nervous System (CNS) has significantly evolved to reflect their molecular biology. In the fifth edition of the World Health Organization CNS Tumours classification, published in 2021 (WHO CNS5), diagnostic criteria was clarified for some recognised tumour types. It also added several other newly-identified tumour types, whether definitive or provisional, that particularly affect children. Diagnosis of these neoplasms remains challenging due to these classification changes, the high levels of heterogeneity within the group of «other CNS embryonal tumours», and the scarcity of data on their findings in imaging studies. This review aims to be a useful tool for neuroradiologists, describing the imaging characteristics of this group of neoplasms and providing brief clinical and diagnostic descriptions.</div></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":"68 1","pages":"Article 101629"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145915473","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}