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Papel de la imagen de movimiento incoherente intravóxel (IVIM) en la evaluación de la respuesta del carcinoma hepatocelular después de la quimioembolización transarterial (TACE): un estudio prospectivo 经动脉化疗栓塞术（TACE）后体内非相干运动成像（IVIM）在评估肝细胞癌反应中的作用：一项前瞻性研究。
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2022.07.007
M. Reddy Bursapalle , J. Valakkadaa , A. Ayappan
{"title":"Papel de la imagen de movimiento incoherente intravóxel (IVIM) en la evaluación de la respuesta del carcinoma hepatocelular después de la quimioembolización transarterial (TACE): un estudio prospectivo","authors":"M. Reddy Bursapalle ,&nbsp;J. Valakkadaa ,&nbsp;A. Ayappan","doi":"10.1016/j.rx.2022.07.007","DOIUrl":"10.1016/j.rx.2022.07.007","url":null,"abstract":"<div><h3>Introduction</h3><p>Response evaluation of hepatocellular carcinoma (HCC) currently is based on arterial phase enhancement which doesn’t take into microstructural changes in the tumor after trans-arterial chemoembolization (TACE).</p></div><div><h3>Aim</h3><p>This prospective study was conducted to assess the feasibility and efficacy of intravoxel incoherent motion imaging (IVIM) in response evaluation of HCC after TACE.</p><p>39 cirrhotic patients with 48 HCC underwent MR imaging 1 week within and 6<!--> <!-->weeks after TACE. IVIM parameters like D<sub>slow</sub> (true diffusion), D<sub>fast</sub> (pseudodiffusion), perfusion fraction and ADC were measured prior to and postTACE. The pre and postTACE values in LR-TR (LIRADS-treatment response) nonviable and viable lesions were compared using paired t-tests. ROC curve analysis was done to calculate sensitivity and specificity and propose cut-off values.</p></div><div><h3>Result</h3><p>Non-viable lesions showed a significant increase in D<sub>slow</sub> (1.208<!--> <!-->±<!--> <!-->0.581 vs. 1.560<!--> <!-->±<!--> <!-->0.494, p-value –0.0207) and ADC (1.37<!--> <!-->±<!--> <!-->0.53 vs. 1.65<!--> <!-->±<!--> <!-->0.4287, p-value 0.016) after TACE. There was also significant decrease in Dfast (33.7<!--> <!-->±<!--> <!-->10.4 vs. 23.75<!--> <!-->±<!--> <!-->12.13, p-value 0.0005) and f (19.92<!--> <!-->±<!--> <!-->10.54 vs. 12.9<!--> <!-->±<!--> <!-->10.41, p-value 0.012) values after TACE in non-viable lesions compared to viable lesions. The change in true diffusion had the highest AUC (0.741) among IVIM parameters with greater than 0.075 increase between preTACE and postTACE values having a sensitivity and specificity of 81.8% and 60% respectively for complete response.</p></div><div><h3>Conclusion</h3><p>IVIM imaging is feasible to assess the response in HCC after TACE. True diffusion is more sensitive and specific than apparent diffusion in evaluating the response.</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133497055","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}
引用次数: 0
Hiperintensidad en secuencia FLAIR del LCR en el espacio subaracnoideo: diagnósticos diferenciales 蛛网膜下腔 CSF FLAIR 序列上的高强度：鉴别诊断
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2022.01.014
J. Miranda Bautista, I. Garrido Morro, P. Fernández García, I. Herrera Herrera
{"title":"Hiperintensidad en secuencia FLAIR del LCR en el espacio subaracnoideo: diagnósticos diferenciales","authors":"J. Miranda Bautista,&nbsp;I. Garrido Morro,&nbsp;P. Fernández García,&nbsp;I. Herrera Herrera","doi":"10.1016/j.rx.2022.01.014","DOIUrl":"https://doi.org/10.1016/j.rx.2022.01.014","url":null,"abstract":"<div><p>The fluid-attenuated inversion recovery (FLAIR) sequence forms part of the vast majority of current diagnostic protocols for brain MRI. This sequence enables the suppression of the signal from cerebrospinal fluid, facilitating the detection of disease involving the subarachnoid space. The causes of hyperintensity in the arachnoid space in this sequence can be divided into two main categories: hyperintensity due to disease and hyperintensity due to artifacts. Hyperintensity due to tumors, inflammation, vascular disease, or hypercellularity of the cerebrospinal fluid or hematic contents is well known. However, numerous other non-pathological conditions, mainly due to artifacts, that are also associated with this finding are a potential source of diagnostic errors.</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139419344","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}
引用次数: 0
Guía en redes sociales de radiología. ¿Hacia un nuevo paradigma en educación médica? 放射学社交网络指南：迈向医学教育的新范式？
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2023.01.014
J.L. del Cura Rodríguez
{"title":"Guía en redes sociales de radiología. ¿Hacia un nuevo paradigma en educación médica?","authors":"J.L. del Cura Rodríguez","doi":"10.1016/j.rx.2023.01.014","DOIUrl":"10.1016/j.rx.2023.01.014","url":null,"abstract":"<div><p>The universally accepted system for the transmission of scientific knowledge in the field of medicine has long been grounded in scientific publications. Social networks can be a useful alternative or complementary method of transmitting this knowledge.</p><p>Social networks (e.g., Twitter, Instagram, Facebook, LinkedIn, YouTube, and TikTok) generate educational contents that enable quality training, despite their informality. Each of these networks has strengths and weaknesses that users should know about.</p><p>These platforms are free and allow for real-time discussion. They make it easy to incorporate content and to contact experts or access sources of knowledge directly. Aware of their influence, publishers have incorporated metrics to measure the impact of their articles in social networks (Altmetrics).</p><p>These networks should be incorporated into departmental training programs immediately. Nevertheless, navigating through social networks is complex, and the hashtag-based system of searching is inefficient, limiting their use in education.</p><p>Despite the informality of the knowledge generated on social networks, the importance of these networks as a source of knowledge is growing. Radiology departments must design a strategy for using social networks for education rather than for propaganda, creating well-organized focal groups that search for contents through systematic, filtered review of information, digital repositories, and review sessions and for sharing this knowledge both inside and outside the department. Departments must also implement a strategy for communicating through these networks.</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127524573","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}
引用次数: 1
Actualización de los tumores cartilaginosos según la clasificación de la OMS de 2020 根据世界卫生组织 2020 年分类更新软骨肿瘤
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2023.05.003
S. Gomez-Pena , A. Rueda de Eusebio , J. Arrazola García , P. Romero Fernández , M.J. Moreno Casado , A.M. Crespo Rodríguez
{"title":"Actualización de los tumores cartilaginosos según la clasificación de la OMS de 2020","authors":"S. Gomez-Pena ,&nbsp;A. Rueda de Eusebio ,&nbsp;J. Arrazola García ,&nbsp;P. Romero Fernández ,&nbsp;M.J. Moreno Casado ,&nbsp;A.M. Crespo Rodríguez","doi":"10.1016/j.rx.2023.05.003","DOIUrl":"10.1016/j.rx.2023.05.003","url":null,"abstract":"<div><p>Cartilaginous tumours are a large and heterogeneous group of neoplasms characterised by the presence of a chondroid matrix, with lobular growth and arcuate, ring-like or popcorn-like calcification patterns. MRI shows hyperintensity in T2-weighted sequences and a lobulated or septal relief in postcontrast images.</p><p>In the WHO 2020 classification, chondral tumours are classified as benign, intermediate or malignant. Despite technological advances, they continue to pose a challenge for both the radiologist and the pathologist, being the main difficulty the differentiation between benign and malignant tumours, which is why they require a multidisciplinary approach.</p><p>This paper describes the main changes introduced in the 2020 update, describes the imaging characteristics of the main cartilaginous tumours and provides the radiological keys to differentiate between benign and malignant tumours.</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122835190","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}
引用次数: 0
Una bonita casualidad 一个美丽的机会
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2023.11.001
C. García-Villar
{"title":"Una bonita casualidad","authors":"C. García-Villar","doi":"10.1016/j.rx.2023.11.001","DOIUrl":"10.1016/j.rx.2023.11.001","url":null,"abstract":"","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139302544","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}
引用次数: 0
Electroporación irreversible: ampliando las fronteras de la ablación 不可逆电穿孔：突破消融的界限
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2023.04.007
R. Alonso-González , J.M. Abadal Villayandre , E. Gálvez Gonzalez , M.J. Álvarez Perez , S. Méndez Alonso , M.A. de Gregorio Ariza
{"title":"Electroporación irreversible: ampliando las fronteras de la ablación","authors":"R. Alonso-González ,&nbsp;J.M. Abadal Villayandre ,&nbsp;E. Gálvez Gonzalez ,&nbsp;M.J. Álvarez Perez ,&nbsp;S. Méndez Alonso ,&nbsp;M.A. de Gregorio Ariza","doi":"10.1016/j.rx.2023.04.007","DOIUrl":"10.1016/j.rx.2023.04.007","url":null,"abstract":"<div><p>Irreversible electroporation (IRE) is a non-thermal tumor ablation technique. High-voltage electrical pulses are applied between pairs of electrodes inserted around and/or inside a tumor. The generated electric current induces the creation of nanopores in the cell membrane, triggering apoptosis. As a result, IRE can be safely used in areas near delicate vascular structures where other thermal ablation methods are contraindicated.</p><p>Currently, IRE has demonstrated to be a successful ablation technique for pancreatic, renal, and liver tumors and is widely used as a focal therapeutic option for prostate cancer.</p><p>The need for specific anesthetic management and accurate parallel placement of multiple electrodes entails a high level of complexity and great expertise from the interventional team is required. Nevertheless, IRE is a very promising technique with a remarkable systemic immunological capability and may impact on distant metastases (abscopal effect).</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122952183","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}
引用次数: 0
Prótesis mitral mecánica disfuncionante: cuando el trombo sobre pannus dificulta el diagnóstico 功能失调的机械二尖瓣人工瓣膜：当血栓覆盖在骨痂上导致诊断困难时
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2022.11.008
A.I. Barrio Alonso , R.Y. López Suarez , R. Álvarez Cabo , E. Ríos Gómez
{"title":"Prótesis mitral mecánica disfuncionante: cuando el trombo sobre pannus dificulta el diagnóstico","authors":"A.I. Barrio Alonso ,&nbsp;R.Y. López Suarez ,&nbsp;R. Álvarez Cabo ,&nbsp;E. Ríos Gómez","doi":"10.1016/j.rx.2022.11.008","DOIUrl":"10.1016/j.rx.2022.11.008","url":null,"abstract":"<div><p>Prosthetic valve obstruction is a rare but potentially lethal complication. The most frequent causes are thrombus and pannus formation, in the absence of infectious data. Diagnosis is not always easy using cardiac CT scanning and in 46-85% of cases thrombus and pannus coexist, complicating the diagnosis. A rapid diagnosis is essential to avoid a fatal outcome of this pathology whose mortality, despite correct treatment, is high.</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127219451","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}
引用次数: 0
Los profesores de radiodiagnóstico en pregrado 放射诊断本科教授
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2023.07.005
J.M. Carreira Villamor , M.A. Zabalza Beraza
{"title":"Los profesores de radiodiagnóstico en pregrado","authors":"J.M. Carreira Villamor ,&nbsp;M.A. Zabalza Beraza","doi":"10.1016/j.rx.2023.07.005","DOIUrl":"10.1016/j.rx.2023.07.005","url":null,"abstract":"<div><p>The international literature on university teaching, has insisted on the need to combine a double component in the professional profile of teachers: <em>content knowledge</em> and <em>pedagogical content knowledge</em>.</p><p>Regarding the <em>content</em>, the area of knowledge of Radiology and Physical Medicine is made up of different medical specialties, among which are Radiodiagnosis, Nuclear Medicine, Radiation Oncology, Physical Medicine and Rehabilitation. On the other hand, the pedagogical content knowledge is framed by framework that the Bologna Declaration (1999).</p><p>Focusing on Radiodiagnosis, the ideal candidates must be professionals in this medical specialty, vocational teachers and people who find in the undergraduate teaching process an opportunity to transmit their knowledge, experiences and values in an entertaining and understandable way for students who are incorporated into medical knowledge.</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130713023","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}
引用次数: 0
Características operativas de la ecografía en el diagnóstico del Síndrome de Sjögren 超声波诊断斯约格伦综合征的操作特点
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2022.06.001
D. Guavita-Navarro , C. Ibáñez , J. Cajamarca-Barón , D.E. Avendaño Rodríguez , J.L. Torres-Castiblanco , A.B. Villamizar Barahona , H.D. Burbano Burbano , A. Escobar Trujillo , J.F. Polo , A. Rojas-Villarraga
{"title":"Características operativas de la ecografía en el diagnóstico del Síndrome de Sjögren","authors":"D. Guavita-Navarro ,&nbsp;C. Ibáñez ,&nbsp;J. Cajamarca-Barón ,&nbsp;D.E. Avendaño Rodríguez ,&nbsp;J.L. Torres-Castiblanco ,&nbsp;A.B. Villamizar Barahona ,&nbsp;H.D. Burbano Burbano ,&nbsp;A. Escobar Trujillo ,&nbsp;J.F. Polo ,&nbsp;A. Rojas-Villarraga","doi":"10.1016/j.rx.2022.06.001","DOIUrl":"10.1016/j.rx.2022.06.001","url":null,"abstract":"<div><h3>Background and objective</h3><p>To determine the operational characteristics of salivary gland ultrasound (SGU) in the diagnosis of Sjögren's syndrome (SS) in a population of colombian patients with dry symptoms.</p></div><div><h3>Materials and methods</h3><p>Study of diagnostic tests in patients with dry symptoms who consecutively attended the rheumatology consultation (2018-2020). Sociodemographic and clinical data were obtained through a survey, paraclinical and ophthalmological tests, minor salivary gland biopsy, unstimulated salivary flow and SGU (score 0-6 based on De Vita) were done. Sensitivity, specificity, positive (PPV) and negative (NPV) predictive values (Stata 15®) were calculated. The receiver operating characteristics (ROC) curve was developed.</p></div><div><h3>Results</h3><p>102 patients were included (34 SS and 68 non-SS), mean age 55.69 (± 11.93) years, 94% women. Positive ultrasound (score of 2 or more) was more frequent in the SS group, (70.6% vs. 22.1%, <em>P</em>&lt;.0001). The sensitivity was the same for grade 2 and 3 (70.59%), with a higher specificity (89.71%) for grade 3 (PPV 77.42% NPV 85.92). The ROC curve from the sum of the glands by means of ultrasound was better than those of the independent glands. The ROC curve of the ultrasound presented a greater area under the curve (0.72 [0.61-0.82]) than that of the histological analysis (focus score) (0.68 [0.59-0.78]), <em>P</em>=.0252.</p></div><div><h3>Conclusion</h3><p>Salivary gland ultrasound is a useful and reliable method for the classification of SS. Its use could be considered in the future within the SS classification criteria.</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128298918","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}
引用次数: 0
Lesiones inflamatorias del troncoencéfalo: claves diagnósticas en RM 脑干炎性病变：磁共振成像的诊断线索
IF 1.3
RADIOLOGIA Pub Date : 2024-01-01 DOI: 10.1016/j.rx.2023.01.010
C. García de Andoin Sojo, J.J. Gómez Muga, I. Aza Martínez, L. Antón Méndez, R. Fornell Pérez
{"title":"Lesiones inflamatorias del troncoencéfalo: claves diagnósticas en RM","authors":"C. García de Andoin Sojo,&nbsp;J.J. Gómez Muga,&nbsp;I. Aza Martínez,&nbsp;L. Antón Méndez,&nbsp;R. Fornell Pérez","doi":"10.1016/j.rx.2023.01.010","DOIUrl":"10.1016/j.rx.2023.01.010","url":null,"abstract":"<div><h3>Objective</h3><p>To describe the magnetic resonance imaging (MRI) findings for the most common inflammatory and immune-mediated diseases that involve the brainstem.</p></div><div><h3>Conclusion</h3><p>Inflammatory lesions involving the brainstem are associated with a wide range of autoimmune, infectious, and paraneoplastic syndromes, making the differential diagnosis complex. Being familiar with these entities, their clinical characteristics, and their manifestations on MRI, particularly the number of lesions, their shape and extension, and their appearance in different sequences, is useful for orienting the radiological diagnosis.</p></div>","PeriodicalId":31509,"journal":{"name":"RADIOLOGIA","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130644424","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}
引用次数: 0
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