Radiologia Brasileira最新文献_第3页

Retrospective analysis of the efficacy and survival associated with cTACE and DEB-TACE in the palliative treatment of hepatocellular carcinoma: experience of a tertiary care hospital in southern Brazil. 回顾性分析 cTACE 和 DEB-TACE 在肝细胞癌姑息治疗中的疗效和生存率：巴西南部一家三级医院的经验。

Radiologia Brasileira Pub Date : 2024-05-07 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0105

Priscila Cavedon Fontana, Gabriela Perdomo Coral, Alex Finger Horbe, Raquel de Freitas Jotz, Beatriz Garcia de Morais, Angelo Alves de Mattos

{"title":"Retrospective analysis of the efficacy and survival associated with cTACE and DEB-TACE in the palliative treatment of hepatocellular carcinoma: experience of a tertiary care hospital in southern Brazil.","authors":"Priscila Cavedon Fontana, Gabriela Perdomo Coral, Alex Finger Horbe, Raquel de Freitas Jotz, Beatriz Garcia de Morais, Angelo Alves de Mattos","doi":"10.1590/0100-3984.2023.0105","DOIUrl":"10.1590/0100-3984.2023.0105","url":null,"abstract":"Objective: To compare conventional transarterial chemoembolization (cTACE) and drug-eluting bead TACE (DEB-TACE) in terms of efficacy, survival, and adverse effects in patients with hepatocellular carcinoma who are not candidates for curative therapy.Materials and methods: This was a retrospective study of patients with hepatocellular carcinoma who underwent cTACE or DEB-TACE for palliative treatment between January 2009 and December 2021. The Kaplan-Meier method was used for survival analysis. Values of p < 0.05 were considered statistically significant.Results: We evaluated 268 patients, of whom 70 underwent DEB-TACE and 198 underwent cTACE. There was no significant difference between the groups regarding sex, age, or etiology of cirrhosis. The proportion of patients achieving a complete response on imaging examinations was higher in the cTACE group (31.8% vs. 16.1%), whereas that of patients achieving a partial response was higher in the DEB-TACE group (33.9% vs.19.7%), and the differences were significant (p = 0.014). The mortality rate was similar between the groups. The survival rate in the DEB-TACE and cTACE groups, respectively, was 87.0% and 87.9% at one year, 35.1% and 32.9% at three years, and 20.5% and 18.1% at five years (p = 0.661). There was no significant difference between the DEB-TACE and cTACE groups in terms of the frequency of adverse events (7.1% vs. 17.8%; p = 0.052). The most common complication in both groups was post-embolization syndrome.Conclusion: Although a complete response was more common among the patients who underwent cTACE, there was no difference in survival between the groups and the frequency of adverse events was similar.","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11235059/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591156","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}

引用次数: 0

Radiological presentation of active pulmonary tuberculosis in kidney transplant recipients: a retrospective study of four cases and a review of the literature. 肾移植受者活动性肺结核的放射学表现：四例病例的回顾性研究和文献综述。

Radiologia Brasileira Pub Date : 2024-05-07 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0124

Virgilio de Araujo Oliveira, Ricardo Augusto Monteiro de Barros Almeida, Ricardo de Souza Cavalcante, Luis Gustavo Modelli de Andrade, Sergio Marrone Ribeiro

{"title":"Radiological presentation of active pulmonary tuberculosis in kidney transplant recipients: a retrospective study of four cases and a review of the literature.","authors":"Virgilio de Araujo Oliveira, Ricardo Augusto Monteiro de Barros Almeida, Ricardo de Souza Cavalcante, Luis Gustavo Modelli de Andrade, Sergio Marrone Ribeiro","doi":"10.1590/0100-3984.2023.0124","DOIUrl":"10.1590/0100-3984.2023.0124","url":null,"abstract":"Although kidney transplantation is the best therapeutic option for patients with chronic kidney disease, the immunosuppression required greatly increases susceptibility to infections that are responsible for high post-transplant mortality. Pulmonary tuberculosis (TB) represents a major cause of such infections, and its early diagnosis is therefore quite important. In view of that, we researched the manifestations of active pulmonary TB in kidney transplant recipients, through chest X-ray and computed tomography (CT), as well as determining the number of cases of active pulmonary TB occurring over a 3.5-year period at our institution. We identified four cases of active pulmonary TB in kidney transplant recipients. The CT scans provided information complementary to the chest X-ray findings in all four of those cases. We compared our CT findings with those reported in the literature. We analyzed our experience in conjunction with an extensive review of the literature that was nevertheless limited because few studies have been carried out in lowand middle-income countries, where the incidence of TB is higher.","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11235070/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591154","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}

引用次数: 0

Justification: gain or game. 理由：收益或游戏。

Radiologia Brasileira Pub Date : 2024-05-07 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0117

Mannudeep K Kalra, Mônica Oliveira Bernardo, Lina Karout, Alair Augusto Sarmet Moreira Damas Dos Santos

引用次数: 0

Evaluation of the mesenteric arterial vasculature by computed tomography angiography and its implications for colorectal cancer surgery. 通过计算机断层扫描血管造影术评估肠系膜动脉血管及其对结直肠癌手术的影响。

Radiologia Brasileira Pub Date : 2024-05-07 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0099

Marcelo Castro, Javiera Cornejo, Mauricio Acuña, Laura Naim, José Vía Dorado, Lía Rodríguez, Sebastián Aguirre, David Herquiñigo

{"title":"Evaluation of the mesenteric arterial vasculature by computed tomography angiography and its implications for colorectal cancer surgery.","authors":"Marcelo Castro, Javiera Cornejo, Mauricio Acuña, Laura Naim, José Vía Dorado, Lía Rodríguez, Sebastián Aguirre, David Herquiñigo","doi":"10.1590/0100-3984.2023.0099","DOIUrl":"10.1590/0100-3984.2023.0099","url":null,"abstract":"Objective: To determine the branching patterns of the inferior mesenteric artery (IMA) and to describe the clinical applicability of computed tomography (CT) angiography in the evaluation of these vessels to facilitate the planning of colorectal cancer surgery.Materials and methods: We included 100 patients who underwent CT angiography of the abdomen and pelvis. The branching patterns of the IMA were examined and classified as type 1 (bifurcated), including 1A (sigmoid and left colic arteries arising from a common trunk), 1B (sigmoid and superior rectal arteries arising from a common trunk) and 1C (sigmoid arteries arising from both trunks); type 2 (trifurcated); and type 3 (no left colic branch).Results: Among the 100 patients evaluated, we found the variant to be type 1A in 9%, type 1B in 47%, type 1C in 24%, type 2 in 16%, and type 3 in 4%.Conclusion: Preoperative CT angiography for evaluating the IMA branching pattern could inform decisions regarding the surgical approach to colorectal cancer.","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11235063/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591238","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}

引用次数: 0

Effects of antenatal corticosteroids on fetal hemodynamics: a longitudinal study. 产前皮质类固醇对胎儿血液动力学的影响：一项纵向研究。

Radiologia Brasileira Pub Date : 2024-05-07 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0129

Maria Claudia Bayão Carelli, Fernando Maia Peixoto-Filho, Luis Guillermo Coca Velarde, Renato Augusto Moreira de Sá, Viviane Monteiro, Edward Araujo Júnior

{"title":"Effects of antenatal corticosteroids on fetal hemodynamics: a longitudinal study.","authors":"Maria Claudia Bayão Carelli, Fernando Maia Peixoto-Filho, Luis Guillermo Coca Velarde, Renato Augusto Moreira de Sá, Viviane Monteiro, Edward Araujo Júnior","doi":"10.1590/0100-3984.2023.0129","DOIUrl":"10.1590/0100-3984.2023.0129","url":null,"abstract":"Objective: To study the effect of antenatal corticosteroid administration on fetal hemodynamics using longitudinal analysis of Doppler waveforms in the umbilical artery (UA) and middle cerebral artery (MCA).Materials and methods: This was a retrospective study that included 30 fetuses at risk for preterm birth. Twenty-eight pregnant women were treated with betamethasone for fetal lung maturation. Doppler examinations of the UA and MCA were performed once before and three or eight times after corticosteroid administration. We used a Bayesian hierarchical linear model. Reference ranges were constructed, and associations between variables (gestational age and pre-eclampsia) were tested.Results: The mean maternal age, gestational age at betamethasone administration, and gestational age at delivery were 32.6 ± 5.89 years, 30.2 ± 2.59 weeks, and 32.9 ± 3.42 weeks, respectively. On UA Doppler, there was a significant decrease in the pulsatility index (PI) after corticosteroid administration, with a mean of 0.1147 (credibility interval: 0.03687-0.191) in three observations and a median of 0.1437 (credibility interval: 0.02509-0.2627) in eight observations. However, there was no significant change in the Doppler MCA PI, regardless of gestational age and the presence or absence of pre-eclampsia.Conclusion: Although antenatal corticosteroid administration induced a significant decrease in the Doppler UA PI, we observed no change in the cerebral vasculature.","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11235072/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591237","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}

引用次数: 0

Accuracy of an artificial intelligence algorithm for detecting moderate-to-severe vertebral compression fractures on abdominal and thoracic computed tomography scans. 人工智能算法检测腹部和胸部计算机断层扫描中重度脊椎压缩骨折的准确性。

Radiologia Brasileira Pub Date : 2024-05-03 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0102

Renata Fernandes Batista Pereira, Paulo Victor Partezani Helito, Renata Vidal Leão, Marcelo Bordalo Rodrigues, Marcos Felippe de Paula Correa, Felipe Veiga Rodrigues

{"title":"Accuracy of an artificial intelligence algorithm for detecting moderate-to-severe vertebral compression fractures on abdominal and thoracic computed tomography scans.","authors":"Renata Fernandes Batista Pereira, Paulo Victor Partezani Helito, Renata Vidal Leão, Marcelo Bordalo Rodrigues, Marcos Felippe de Paula Correa, Felipe Veiga Rodrigues","doi":"10.1590/0100-3984.2023.0102","DOIUrl":"10.1590/0100-3984.2023.0102","url":null,"abstract":"Objective: To describe the accuracy of HealthVCF, a software product that uses artificial intelligence, in the detection of incidental moderate-to-severe vertebral compression fractures (VCFs) on chest and abdominal computed tomography scans.Materials and methods: We included a consecutive sample of 899 chest and abdominal computed tomography scans of patients 51-99 years of age. Scans were retrospectively evaluated by the software and by two specialists in musculoskeletal imaging for the presence of VCFs with vertebral body height loss > 25%. We compared the software analysis with that of a general radiologist, using the evaluation of the two specialists as the reference.Results: The software showed a diagnostic accuracy of 89.6% (95% CI: 87.4-91.5%) for moderate-to-severe VCFs, with a sensitivity of 73.8%, a specificity of 92.7%, and a negative predictive value of 94.8%. Among the 145 positive scans detected by the software, the general radiologist failed to report the fractures in 62 (42.8%), and the algorithm detected additional fractures in 38 of those scans.Conclusion: The software has good accuracy for the detection of moderate-to-severe VCFs, with high specificity, and can increase the opportunistic detection rate of VCFs by radiologists who do not specialize in musculoskeletal imaging.","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11235064/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591233","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}

引用次数: 0

The dark side of T2: central nervous system lesions with low signal intensity on T2-weighted imaging. T2 的阴暗面：T2 加权成像低信号强度的中枢神经系统病变。

Radiologia Brasileira Pub Date : 2024-04-23 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0085-en

Pedro Carpentieri-Primo, Luiza Nahoum, Louise Almeida, Fernando Nacur, Sérgio Ferreira Alves Júnior, Nina Ventura

{"title":"The dark side of T2: central nervous system lesions with low signal intensity on T2-weighted imaging.","authors":"Pedro Carpentieri-Primo, Luiza Nahoum, Louise Almeida, Fernando Nacur, Sérgio Ferreira Alves Júnior, Nina Ventura","doi":"10.1590/0100-3984.2023.0085-en","DOIUrl":"10.1590/0100-3984.2023.0085-en","url":null,"abstract":"The majority of central nervous system diseases show high signal intensity on T2-weighted magnetic resonance imaging. Diseases of the central nervous system with low signal intensity are less common, which makes it a finding that helps narrow the differential diagnosis. This was a retrospective analysis of brain and spine magnetic resonance imaging examinations in which that finding was helpful in the diagnostic investigation. We selected the cases of patients examined between 2015 and 2022. All diagnoses were confirmed on the basis of the clinical-radiological correlation or the histopathological findings. We obtained images of 14 patients with the following central nervous system diseases: arteriovenous malformation; cavernous malformation; metastasis from lymphoma; medulloblastoma; embryonal tumor; metastasis from melanoma; Rathke's cleft cyst; Erdheim-Chester disease; aspergillosis; paracoccidioidomycosis; tuberculosis; syphilis; immunoglobulin G4-related disease; and metastasis from a pulmonary neuroendocrine tumor. We described lesions of different etiologies in which the T2-weighted imaging profile helped narrow the differential diagnosis and facilitated the definitive diagnosis.","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11235073/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591158","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}

引用次数: 0

Decoding dose descriptors for computed tomography. 解码计算机断层扫描的剂量描述符。

Radiologia Brasileira Pub Date : 2024-04-15 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0116

Mannudeep K Kalra, Lina Karout, Felipe de Moura Kiipper, Mônica Oliveira Bernardo

引用次数: 0

"Interstitial lung abnormalities": translation to and use in Portuguese. "肺间质异常"：翻译成葡萄牙语并在葡萄牙语中使用。

Radiologia Brasileira Pub Date : 2024-04-15 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0114-en

Tassia Regina Yamanari, Ricardo Valarelli Auad, Alexandre Dias Mançano, Marcel Koenigkam-Santos, Pablo Rydz Pinheiro Santana, Arthur Soares Souza Júnior, Rodrigo Caruso Chate, Marcio Valente Yamada Sawamura

{"title":"\"Interstitial lung abnormalities\": translation to and use in Portuguese.","authors":"Tassia Regina Yamanari, Ricardo Valarelli Auad, Alexandre Dias Mançano, Marcel Koenigkam-Santos, Pablo Rydz Pinheiro Santana, Arthur Soares Souza Júnior, Rodrigo Caruso Chate, Marcio Valente Yamada Sawamura","doi":"10.1590/0100-3984.2023.0114-en","DOIUrl":"10.1590/0100-3984.2023.0114-en","url":null,"abstract":"Objective: To conduct a survey on the use of the term \"interstitial lung abnormalities\" in radiology reports in Brazil, propose an appropriate Portuguese-language translation for the term, and provide a brief review of the literature on the topic.Materials and methods: A survey was sent via electronic message to various radiologists in Brazil, asking about their familiarity with the term, which translation of the term they use in Portuguese, and whether they use the criteria proposed by the Fleischner Society.Results: A total of 163 responses were received, from all regions of Brazil. Although the vast majority (88%) of the respondents stated that they were familiar with the term \"interstitial lung abnormalities\", there was considerable variation regarding the equivalent term they used in Portuguese.Conclusion: We suggest that the term \"anormalidades pulmonares intersticiais\" be used in order to standardize radiology reports and disseminate knowledge of these findings in Brazil.","PeriodicalId":20842,"journal":{"name":"Radiologia Brasileira","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11235071/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591232","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}

引用次数: 0

The challenges of balancing clinical and research responsibilities. 平衡临床与研究职责的挑战。

Radiologia Brasileira Pub Date : 2024-04-15 eCollection Date: 2024-01-01 DOI: 10.1590/0100-3984.2023.0119

Nikolaos-Achilleas Arkoudis, Evgenia Efthymiou, Ornella Moschovaki-Zeiger, Christos Koutserimpas

引用次数: 0