Radiologia BrasileiraPub Date : 2026-09-08eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0116
Kaushik Sankaramoorthy, Harshavardhan Balaganesan, Sai Shankar Manakuzhy Gopalakrishnan, Remya R Nair
{"title":"Letter to the Editor: Ultrasound findings for the diagnosis of biliary atresia in neonates.","authors":"Kaushik Sankaramoorthy, Harshavardhan Balaganesan, Sai Shankar Manakuzhy Gopalakrishnan, Remya R Nair","doi":"10.1590/0100-3984.2025.0116","DOIUrl":"10.1590/0100-3984.2025.0116","url":null,"abstract":"","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250116"},"PeriodicalIF":0.0,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13563656/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148956413","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}
Radiologia BrasileiraPub Date : 2026-07-08eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0101
Linei Augusta Brolini Delle Urban, Luciano Fernandes Chala, Ivie Braga de Paula, Beatriz Medicis Maranhão Miranda, Almir Galvão Vieira Bitencourt, Paula de Camargo Moraes, Ana Claudia Mendes Rodrigues Mussauer, Carla Cristina Teixeira Polimeni Benetti, Ana Claudia Silveira Racy, Lucio De Carli, Bruna Maria Thompson, Henrique Lima Couto, Eduardo Carvalho Pessoa, Nilceana Maya Aires Freitas, Daniel Fontes Santos de Teive E Argolo, Filomena Marino Carvalho
{"title":"Gramado consensus on imaging evaluation of the response to neoadjuvant systemic therapy for breast cancer.","authors":"Linei Augusta Brolini Delle Urban, Luciano Fernandes Chala, Ivie Braga de Paula, Beatriz Medicis Maranhão Miranda, Almir Galvão Vieira Bitencourt, Paula de Camargo Moraes, Ana Claudia Mendes Rodrigues Mussauer, Carla Cristina Teixeira Polimeni Benetti, Ana Claudia Silveira Racy, Lucio De Carli, Bruna Maria Thompson, Henrique Lima Couto, Eduardo Carvalho Pessoa, Nilceana Maya Aires Freitas, Daniel Fontes Santos de Teive E Argolo, Filomena Marino Carvalho","doi":"10.1590/0100-3984.2025.0101","DOIUrl":"10.1590/0100-3984.2025.0101","url":null,"abstract":"<p><p>The assessment of response to neoadjuvant systemic therapy (NST) is a critical pillar in defining the multidisciplinary therapeutic strategy in breast cancer. This consensus aimed to establish national guidelines for imaging assessment of NST, based on the best scientific evidence adapted to the Brazilian context. To this end, a panel of experts was formed, composed of breast radiologists, breast surgeons, oncologists, onco-radiotherapists and breast patholo-gists. The methodology was based on a systematic literature review, followed by face-to-face discussions and rounds of virtual voting (adapted Delphi method), defining consensus when agreement was =75%. As a result, radiological response criteria were standardized, and accuracy, false-negative, and positive rates were determined, as well as the role of mammography, ultrasound, magnetic resonance imaging, and tomosynthesis, stratified by molecular subtypes. Additionally, recommendations were established for marking the breast lesion and axillary lymph nodes before the start of treatment. Finally, the role of other imaging techniques, such as contrast-enhanced mammography and pos-itron-emission tomography/computed tomography, was discussed, as well as the impact of artificial intelligence as tools for evaluating the response to SNRT.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250101"},"PeriodicalIF":0.0,"publicationDate":"2026-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13345094/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148412171","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}
Radiologia BrasileiraPub Date : 2026-06-29eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0096
Pedro Henrique Abreu Tiradentes, Luã Portela Carvalho, Mariana Dalaqua, Tomás de Andrade Lourenção Freddi, Lázaro Luís Faria do Amaral, Gustavo Kazuo Yamada, Simone Appenzeller, Juliana Avila Duarte, Fabiano Reis
{"title":"The role of neuroimaging in the diagnosis of cerebral toxoplasmosis: a systematic review.","authors":"Pedro Henrique Abreu Tiradentes, Luã Portela Carvalho, Mariana Dalaqua, Tomás de Andrade Lourenção Freddi, Lázaro Luís Faria do Amaral, Gustavo Kazuo Yamada, Simone Appenzeller, Juliana Avila Duarte, Fabiano Reis","doi":"10.1590/0100-3984.2025.0096","DOIUrl":"10.1590/0100-3984.2025.0096","url":null,"abstract":"<p><p>This study presents a systematic review of the role of imaging in the diagnosis of central nervous system toxoplasmo-sis, in addition to a case series from a tertiary university hospital. The review was conducted in accordance with the Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines and registered in the International Prospective Register of Systematic Reviews (ID: CRD420251107718). Studies published after January 1, 2000 were retrieved from the PubMed, Embase, Scopus, and Latin-American and Caribbean Health Sciences Literature data-bases. Two authors, working independently, selected studies that met the eligibility criteria, which were organized with Rayyan software. Imaging findings were described using computed tomography (CT), conventional magnetic resonance imaging (MRI), advanced MRI sequences or nuclear imaging, focusing on single-photon-emission com-puted tomography, with and without thallium-201, and positron-emission tomography/CT. Extracted data focused on lesion topography, signal characteristics, enhancement, restricted diffusion, and when available, spectroscopy and perfusion MRI findings. To illustrate typical and atypical imaging features, a complementary case series was included, evaluating patients with confirmed cerebral toxoplasmosis. The review demonstrates that CT and MRI remain es-sential for diagnosis and follow-up, whereas advanced MRI sequences provide additional value in differentiating toxo-plasmosis from other opportunistic infections and neoplastic processes.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250096"},"PeriodicalIF":0.0,"publicationDate":"2026-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13317705/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148361798","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}
Radiologia BrasileiraPub Date : 2026-04-23eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0048
Rachel Zeitoune, Raquel Martins Loureiro, Nívia Abadia Maciel de Melo Matias, Carmen Silvia Molleis Galego Miziara
{"title":"Contribution of computed tomography in the postmortem diagnosis of drowning: a systematic review.","authors":"Rachel Zeitoune, Raquel Martins Loureiro, Nívia Abadia Maciel de Melo Matias, Carmen Silvia Molleis Galego Miziara","doi":"10.1590/0100-3984.2025.0048","DOIUrl":"10.1590/0100-3984.2025.0048","url":null,"abstract":"<p><p>The postmortem diagnosis of drowning is a challenge for forensic medicine. The objective of this review was to list the findings described in reports of postmortem computed tomography (PMCT) examinations and autopsies of drowning victims, as well as to show how PMCT facilitates the diagnosis. The PubMed, Google Scholar, the Brazilian <i>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior</i> (CAPES, Office for the Advancement of Higher Education) Journals, and the International Prospective Register of Systematic Reviews (PROSPERO) databases were searched. The 17 studies included evaluated a collective total of 726 bodies of drowning victims and 477 bodies of people who died from other causes. Different PMCT protocols were used, some encompassing whole-body scans and others including scans only from the skull to the pelvis, with different slice thicknesses, all without the use of contrast. The finding most commonly described was fluid in the paranasal sinuses, mastoid air cells, and airways, referred to as specific for drowning if frothy, containing dense sediment, or both. A cutoff of 37.77 HU for the density of fluid in the paranasal sinuses was suggested to characterize drowning in salt water. Paltauf spots were detected only at autopsy. Although PMCT has proven to be a useful tool in making this diagnosis, it is too early to predict whether it can replace conventional autopsy. Current limitations include the absence of established protocols, a shortage of forensic radiologists, and low availability of CT scanners at forensic medicine facilities.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250048"},"PeriodicalIF":0.0,"publicationDate":"2026-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13159454/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147932831","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":"Benign and malignant lesions of the mandible and maxilla: imaging findings and systematic approach.","authors":"Leonor Garbin Savarese, Murilo Bicudo Cintra, Marcello Henrique Nogueira-Barbosa, Gustavo Santos Boasquevisque","doi":"10.1590/0100-3984.2025.0066","DOIUrl":"10.1590/0100-3984.2025.0066","url":null,"abstract":"<p><p>Although lesions of the mandible and maxilla are relatively common findings on imaging examinations, they still pose a diagnostic challenge for radiologists in clinical practice. Many of these lesions share similar radiographic characteristics, making it difficult to differentiate between benign, infectious, and malignant entities, which can delay appropriate management. This article aims to illustrate the main imaging findings and present a systematic approach based on radiological patterns, such as attenuation type, margins, relationship with dental structures, and anatomical distribution, in order to facilitate the differential diagnosis, as well as to guide clinical and therapeutic management.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250066"},"PeriodicalIF":0.0,"publicationDate":"2026-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13159455/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147932853","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}
Radiologia BrasileiraPub Date : 2026-04-23eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0091
Bianca Hallage, Gustavo Yano Callado, Raphaela Coelho Veloso Gomes, Rita de Cássia Sanchez, Edward Araujo Júnior, Maria Lúcia de Pinho Apezzato, Romy Schmidt Brock Zacharias, Heron Werner, Eduardo Félix Martins Santana
{"title":"Congenital anomalies of the upper digestive tract: a review of esophageal and gastric embryology and malformations.","authors":"Bianca Hallage, Gustavo Yano Callado, Raphaela Coelho Veloso Gomes, Rita de Cássia Sanchez, Edward Araujo Júnior, Maria Lúcia de Pinho Apezzato, Romy Schmidt Brock Zacharias, Heron Werner, Eduardo Félix Martins Santana","doi":"10.1590/0100-3984.2025.0091","DOIUrl":"10.1590/0100-3984.2025.0091","url":null,"abstract":"<p><p>Congenital anomalies of the digestive system, particularly in the esophagus and stomach, present significant challenges to neonatal health due to their complex management and associated risks of morbidity and mortality. This narrative review explores esophageal and gastric anomalies, addressing the embryology, prevalence, diagnostic methods, and treatment approaches, with an emphasis on early detection and improved outcomes. Because of recent advances in prenatal imaging, such as ultrasonography and magnetic resonance, diagnostic accuracy has increased, allowing better clinical planning and management. Studies reveal that gastrointestinal anomalies account for approximately 20% of congenital malformations globally, having a substantial impact on neonatal health and healthcare systems. This review discusses critical anomalies, including esophageal atresia, tracheoesophageal fistula, antral stenosis, and antral atresia, with a focus on diagnostic criteria, surgical interventions, and prognostic factors. By highlighting current knowledge and best practices, we aim to underscore the importance of early, accurate diagnosis and continuous follow-up, which can ultimately improve neonatal outcomes and quality of life.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250091"},"PeriodicalIF":0.0,"publicationDate":"2026-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13159534/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147932839","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}
Radiologia BrasileiraPub Date : 2026-04-23eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0102
Fernanda Fernandes Souza, Roberta Chaves Araújo, Guilherme Massotte Fontanin, Jorge Elias Júnior
{"title":"Ultrasound-based liver elastography: a narrative review of technical principles and interpretation of results.","authors":"Fernanda Fernandes Souza, Roberta Chaves Araújo, Guilherme Massotte Fontanin, Jorge Elias Júnior","doi":"10.1590/0100-3984.2025.0102","DOIUrl":"10.1590/0100-3984.2025.0102","url":null,"abstract":"<p><p>In recent years, noninvasive methods for assessing liver fibrosis have significantly transformed hepatology practices, reducing the need for liver biopsy. Among these, elastography techniques have become widely used tools for staging fibrosis in patients with chronic liver disease. Currently, various modalities are available, including transient elastography, point shear wave elastography, two-dimensional shear wave elastography, and magnetic resonance elastography; the first three are ultrasound-based techniques, whereas the last is a magnetic resonance imaging-based technique. In this context, ultrasound-based liver elastography stands out as a reliable, reproducible method with high accuracy. This narrative review aims to present the technical principles of ultrasound-based shear wave elastography, discuss the factors that influence measurement reliability, and provide practical guidance for result interpretation. The topics addressed include acquisition protocols, methodological limitations, potential confounding factors, and clinically relevant cutoff values. In conclusion, when applied under appropriate indications with adequate technical quality and interpretation, ultrasound-based liver elastography is a valuable, complementary tool for managing chronic liver disease.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250102"},"PeriodicalIF":0.0,"publicationDate":"2026-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13163803/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147932821","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}
Radiologia BrasileiraPub Date : 2026-04-23eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0110
Ivie Braga de Paula, Luciano Fernandes Chala, Linei Augusta Brolini Delle Urban, Almir Galvão Vieira Bitencourt, Tatiane Mendes Gonçalves de Oliveira, Henrique Lima Couto, Paula de Camargo Moraes, Beatriz Medicis Maranhão Miranda, Thaís Paiva Moraes, Ana Claudia Mendes Rodrigues Mussauer, Ellyete de Oliveira Canella, Selma di Pace Bauab, Ana Lucia Kefalás Oliveira, José Luis Esteves Francisco, Marcela Bisighelli Schaefer, Aline Dias Silva Guerrero Guimarães, Gustavo Machado Badan, João Emílio Peixoto, Rosangela Requi Jakubiak
{"title":"Breast cancer in women 40-50 and over 70 years of age: the need for screening in Brazil.","authors":"Ivie Braga de Paula, Luciano Fernandes Chala, Linei Augusta Brolini Delle Urban, Almir Galvão Vieira Bitencourt, Tatiane Mendes Gonçalves de Oliveira, Henrique Lima Couto, Paula de Camargo Moraes, Beatriz Medicis Maranhão Miranda, Thaís Paiva Moraes, Ana Claudia Mendes Rodrigues Mussauer, Ellyete de Oliveira Canella, Selma di Pace Bauab, Ana Lucia Kefalás Oliveira, José Luis Esteves Francisco, Marcela Bisighelli Schaefer, Aline Dias Silva Guerrero Guimarães, Gustavo Machado Badan, João Emílio Peixoto, Rosangela Requi Jakubiak","doi":"10.1590/0100-3984.2025.0110","DOIUrl":"10.1590/0100-3984.2025.0110","url":null,"abstract":"<p><p>Breast cancer is the most common malignancy among women in Brazil and the leading cause of cancer-related death in the female population of the country. Despite advances in treatment and the implementation of mammography screening programs, mortality rates have continued to rise. This increase is particularly evident among women under 50 years of age and those 70 years of age or older, groups that account for a substantial proportion of diagnosed cases and registered deaths in the country. Until recently, these age groups were not included in the screening guide-lines established by the Brazilian National Ministry of Health, although consistent scientific evidence demonstrates significant benefits of early detection in these populations, including reduced mortality, a higher proportion of early-stage diagnoses, and less aggressive therapeutic interventions. This article analyzes epidemiological data, the socio-economic impacts of breast cancer, and the scientific evidence regarding mammography screening, discussing the outcomes and limitations of national programs in Brazil. On the basis of that analysis, we advocate for the revision and expansion of public breast cancer screening policies to include women 40-49 and ≤ 70 years of age, as an essential strategy to reduce mortality, improve clinical outcomes, and promote greater equity in access to diagnosis and treat-ment of breast cancer in Brazil.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250110"},"PeriodicalIF":0.0,"publicationDate":"2026-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13159457/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147932816","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}
Radiologia BrasileiraPub Date : 2026-04-23eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0090
Fernando da Silva Xavier, Mayara Oliveira da Silva, Luís Henrique Dellabianca Pereira, Adriana Seber, Márcio Luís Duarte
{"title":"Pre-transplant imaging evaluation in sickle cell disease: recommended protocols before allogeneic hematopoietic stem cell transplantation.","authors":"Fernando da Silva Xavier, Mayara Oliveira da Silva, Luís Henrique Dellabianca Pereira, Adriana Seber, Márcio Luís Duarte","doi":"10.1590/0100-3984.2025.0090","DOIUrl":"10.1590/0100-3984.2025.0090","url":null,"abstract":"<p><strong>Objective: </strong>To review the recommended imaging modalities for pre-transplant evaluation in patients with sickle cell disease (SCD) undergoing allogeneic hematopoietic stem cell transplantation (HSCT).</p><p><strong>Materials and methods: </strong>This was a narrative review focusing on key imaging techniques employed to assess organ damage and stratify risks prior to HSCT in patients with SCD, including transcranial Doppler (TCD) ultrasonography, brain magnetic resonance imaging (MRI) with magnetic resonance angiography (MRA), MRI for osteonecrosis evaluation, and MRI-based hepatic iron quantification.</p><p><strong>Results and discussion: </strong>TCD, including blind Doppler and TCD imaging (TCDI), plays a critical role in detecting in-creased cerebral blood flow velocities associated with stroke risk. Brain MRI/MRA is essential for identifying silent cerebral infarcts and intracranial vasculopathy, even in patients with normal TCDI velocities. Bone MRI allows early detection of osteonecrosis, which is frequently asymptomatic in SCD. Liver MRI, using R2 relaxometry and T2*-weighting, provides accurate quantification of hepatic iron overload, an important risk factor for transplant-related complications. Cardiac MRI, chest computed tomography, and liver ultrasound are also recommended to help stratify pre-HSCT risk and identify organ damage.</p><p><strong>Conclusion: </strong>A structured imaging protocol is essential for pre-HSCT assessment in SCD. Radiologists play a pivotal role in identifying subclinical organ damage and providing information critical to transplant candidacy and perioperative management.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250090"},"PeriodicalIF":0.0,"publicationDate":"2026-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13159453/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147932805","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}
Radiologia BrasileiraPub Date : 2026-02-27eCollection Date: 2026-01-01DOI: 10.1590/0100-3984.2025.0106
Rubens Chojniak, Giovanni Guido Cerri
{"title":"Radiology in Brazil and the global resolution on strengthening medical imaging: a regional responsibility.","authors":"Rubens Chojniak, Giovanni Guido Cerri","doi":"10.1590/0100-3984.2025.0106","DOIUrl":"10.1590/0100-3984.2025.0106","url":null,"abstract":"<p><p>In May 2025, the World Health Assembly adopted Resolution WHA78.13, formally recognizing medical imaging as a fundamental pillar of universal health coverage. Brazil, as a co-sponsor of the Resolution, plays a decisive role in promoting equitable access to imaging services throughout Latin America. This article explores the implications of the resolution for Brazil, highlighting its leadership and the need to address regional disparities in imaging infrastructure and workforce distribution. On the basis of data from the 2025 Atlas of Radiology in Brazil, the article highlights the unequal distribution of radiologists and imaging equipment, especially in underserved areas. Strategic priorities for regional action are outlined, including workforce development, infrastructure investments, and public policy integration. The Brazilian College of Radiology and Diagnostic Imaging is positioned to participate in national efforts, advocating for medical imaging as a public health priority. By aligning national initiatives with global strategies and embracing innovation, Brazil and Latin America can transform diagnostic equity and improve health outcomes.</p>","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":"59 ","pages":"e20250106"},"PeriodicalIF":0.0,"publicationDate":"2026-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12974415/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147435144","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}