journal
https://read.qxmd.com/read/33304015/when-discussing-the-impact-of-ai-on-radiology-just-remember-radiology-is-an-infinite-game
#1
EDITORIAL
Felipe Soares Torres
No abstract text is available yet for this article.
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304014/-1-h-mrs-for-characterizing-metabolic-alterations-in-hiv-positive-patients-with-and-without-memory-deficits
#2
EDITORIAL
Fabiano Reis
No abstract text is available yet for this article.
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304013/computed-tomography-guided-biopsy-of-breast-lesions-a-viable-option-for-selected-cases
#3
Vinicius Cardona Felipe, Luciana Graziano, Paula Nicole Vieira Pinto Barbosa, Almir Galvão Vieira Bitencourt
No abstract text is available yet for this article.
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304012/the-abcd-of-portal-vein-thrombosis-a-systematic-approach
#4
Alexandre Makoto Minoda, Raissa Brito Fernandes Cadete, Sara Reis Teixeira, Valdair Francisco Muglia, Jorge Elias Junior, Andréa Farias de Melo-Leite
Portal vein thrombosis refers to complete or partial obstruction of the portal venous system, in the intrahepatic or extrahepatic venous tract or even in the splenic or superior mesenteric veins. This common and potentially fatal condition can develop in various clinical contexts, especially those of liver cirrhosis, hepatocellular carcinoma, and other solid tumors. Certain characteristics, such as the time since the onset of the thrombus (acute or chronic), its biology (hematic or tumoral), the presence of collateral vessels, and the magnetic resonance imaging aspects, are important components of a thorough, careful analysis, as well as informing decisions regarding the appropriate therapeutic strategy...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304011/primary-bone-lymphoma-pictorial-essay
#5
Flavio Scavone Stefanini, Franklin Wilson Caires Gois, Tiago Cesar Silva Borba de Arruda, Almir Galvão Vieira Bitencourt, Wagner Santana Cerqueira
Primary bone lymphoma is a rare neoplasm that can initially present as local pain, a palpable mass, and pathologic fracture. It can also be discovered as an incidental finding on an imaging examination. It is defined as a bone marrow tumor with no involvement of other sites, lasting at least six months. The diagnosis is confirmed by biopsy and immunohistochemical analysis. Although the imaging characteristics are nonspecific, there are certain findings that, when correlated with clinical and epidemiological aspects, can increase the level of suspicion of primary bone lymphoma...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304010/anatomical-variations-and-congenital-anomalies-of-the-ribs-revisited-by-multidetector-computed-tomography
#6
Lucas de Pádua Gomes de Farias, Daniel Cunha Menezes, Igor Schneider Faé, Pedro Henrique Coelho de Arruda, João Manoel Miranda Magalhães Santos, Gustavo Borges da Silva Teles
As they are asymptomatic or have a nonspecific, anatomical variations of the ribs are usually detected as incidental findings on imaging studies. They may be isolated changes or can be related to anomalies or clinical syndromes. Such variations are easily overlooked on conventional radiography and computed tomography if they are not actively investigated, mainly because most indications for a chest X-ray studies aim to evaluate the lung parenchyma and mediastinal structures. The objective of this pictorial essay was to use multislice computed tomography images to illustrate the imaging aspects of the main anatomical variations and congenital anomalies of the ribs...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304009/pregnancy-lactation-cycle-how-to-use-imaging-methods-for-breast-evaluation
#7
REVIEW
Carlos Henrique de Sousa Rosas, Ana Carolina de Ataíde Góes, Laís Martinho Saltão, Adriana Michiko da Silva Tanaka, Elvira Ferreira Marques, Almir Galvão Vieira Bitencourt
Pregnancy and lactation constitute states of intense hormonal variation with secretory and structural changes in the breast parenchyma. These changes translate into important features on breast imaging, as well as the emergence of specific benign and malignant lesions. This literature review aims to discuss the safety of the use of breast imaging methods (mammography, ultrasound, and magnetic resonance imaging) during the pregnancy-lactation cycle, and to present the expected physiological changes and imaging appearance of the main breast diseases that may occur in this period, such as galactocele, lactating adenoma, fibroadenoma, puerperal mastitis, and pregnancy-associated breast cancer...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304008/use-of-lung-ultrasound-in-neonates-during-the-covid-19-pandemic
#8
Marcia Wang Matsuoka, Silvia Maria Sucena da Rocha, Maria Augusta Bento Cicaroni Gibelli, Carla Marques Nicolau, Werther Brunow de Carvalho, Lisa Suzuki
In the current pandemic, caused by infection with severe acute respiratory syndrome coronavirus 2, ultrasound has played a fundamental role in patients who develop the resulting disease, designated coronavirus disease 2019 (COVID-19). In this study we present ultrasound images of the lungs of neonates with a suspected or confirmed diagnosis of COVID-19, distinguishing between the changes related to COVID-19 and those unrelated to the disease. Ultrasound examinations were performed by a pediatric sonographer...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304007/fighting-the-invisible-enemy-providing-support-and-structure-to-radiology-resident-during-the-covid-19-pandemic
#9
Regina Lucia Elia Gomes, Luisa Leitão de Faria, Hernane Ajuz Holzmann, Natalia Kimie de Faria Fujiwara, Sabrina de Mello Ando, Marcio Valente Yamada Sawamura, Claudia da Costa Leite, Giovanni Guido Cerri
The objective of this article is to share the strategy we used in order to restructure the radiology and diagnostic imaging department of a referral institution during the coronavirus disease 2019 pandemic, on the basis of the current recommendations. It is essential to integrate the work of supervisors, preceptors, and residents, maintaining communication and sharing decisions, with mutual support, as well as to determine the best strategy to be adopted in this scenario of uncertainty and constant change, while also ensuring adequate emotional support for all parties...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304006/hemorrhagic-complications-after-percutaneous-nephrolithotomy-angiographic-diagnosis-and-management-by-transcatheter-arterial-embolization
#10
Vinicius Adami Vayego Fornazari, Rômulo Florêncio Tristão Santos, Thiago Franchi Nunes, Rodrigo Perrella, Tiago Magalhães Freire, Fabio Carvalho Vicentini, Joaquim Francisco de Almeida Claro, Denis Szejnfeld
Objective: To identify the main hemorrhagic complications after percutaneous nephrolithotomy, as well as the results obtained with transcatheter arterial embolization (TAE) at an interventional radiology center. Materials and Methods: This was a retrospective analysis of patients undergoing TAE for the treatment of hemorrhagic complications after percutaneous nephrolithotomy. All patients underwent computed tomography angiography (CTA). Results: We evaluated a total of nine patients...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304005/value-of-adding-the-apparent-diffusion-coefficient-to-capsular-contact-for-the-prediction-of-extracapsular-extension-in-prostate-cancer
#11
Antonio Cordeiro da Silva Filho, Tamara Oliveira Rocha, Jorge Elias, Marcus Vinicius de Castro Barros, Alfredo Ribeiro Silva, Rodolfo Borges Dos Reis, Valdair Francisco Muglia
Objective: To determine whether evaluating the mean apparent diffusion coefficient (ADC) together with capsular contact (CC) adds value in the prediction of microscopic extracapsular extension (ECE) of prostate cancer. Materials and Methods: Between January 2012 and December 2016, 383 patients underwent multiparametric magnetic resonance imaging (mpMRI) of the prostate. A total of 67 patients were selected for inclusion. Two radiologists (observers 1 and 2), working independently, performed qualitative and quantitative analyses of ECE, macroscopic ECE, and microscopic ECE...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304004/prevalence-of-patellar-chondropathy-on-3-0-t-magnetic-resonance-imaging
#12
Eduardo André Gomes Krieger, Francisco Consoli Karam, Ricardo Bernardi Soder, Jefferson Luis Braga da Silva
Objective: To establish the prevalence of patellar chondropathy using 3T magnetic resonance imaging (MRI) and to correlate the findings with individual features such as gender, age, and body mass index. Materials and Methods: Data consisted of collecting 3T MRIs of patients' knees obtained between October 2016 and September 2017, comprising a period of 12 months. These MRIs were assessed by an experienced musculoskeletal radiologist who confirmed the presence of patellar chondropathy and, when present, rated the finding into the four grades ascribed by the International Cartilage Repair Society...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304003/effect-of-the-acromial-inferolateral-tilt-on-subacromial-impingement-syndrome-a-retrospective-magnetic-resonance-imaging-assessment
#13
André Vaz, Camila Pietroski Reifegerste, Cesar Rodrigo Trippia, Lucas Savaris Linhares, Fábio Bordin Trindade, José Eduardo Thomaz
Objective: To evaluate the effect of acromial inferolateral tilt on subacromial impingement syndrome. Materials and Methods: The acromial inferolateral tilt was retrospectively quantified by two researchers on 346 shoulder magnetic resonance images using the glenoacromial (between the inferior proximal acromial surface and the glenoidal face) and acromioclavicular (between the axis of the proximal acromion and distal clavicle) angles. Results: The glenoacromial angle was associated with subacromial impingement syndrome ( p < 0...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33304002/posterior-cingulate-gyri-metabolic-alterations-in-hiv-positive-patients-with-and-without-memory-deficits
#14
Diogo G Corrêa, Eelco van Duinkerken, Nicolle Zimmermann, Rochele P Fonseca, Emerson L Gasparetto
Objective: We aimed to evaluate whether human immunodeficiency virus (HIV)-positive patients with and without clinically significant memory deficits and healthy control participants differ on in vivo hydrogen-1 magnetic resonance spectroscopy (H-MRS) in the posterior cingulate gyri. Materials and Methods: In total, 21 HIV-positive patients with memory deficit (HIV+wMD) were compared with 15 HIV-positive patients without memory deficit (HIV+wOMD) and 22 sex-, age-, and education-matched control participants...
November 2020: Radiologia Brasileira
https://read.qxmd.com/read/33071383/automated-breast-ultrasound-are-we-ready-to-put-it-into-practice-in-brazil
#15
EDITORIAL
Linei Urban
No abstract text is available yet for this article.
September 2020: Radiologia Brasileira
https://read.qxmd.com/read/33071382/chest-computed-tomography-to-evaluate-lymphocytic-interstitial-pneumonia
#16
EDITORIAL
Miriam Menna Barreto, Rosana Souza Rodrigues
No abstract text is available yet for this article.
September 2020: Radiologia Brasileira
https://read.qxmd.com/read/33071381/rational-use-of-chest-ultrasound-to-confront-covid-19
#17
EDITORIAL
Miguel José Francisco Neto, Marcos Roberto Gomes de Queiroz
No abstract text is available yet for this article.
September 2020: Radiologia Brasileira
https://read.qxmd.com/read/33071380/tumors-of-the-broad-ligament-what-and-when-to-suspect-such-rare-location
#18
João Diogo Oliveira, Teresa Margarida Cunha, Andreia Tereso
Although secondary involvement of the broad ligament by malignant tumors arising elsewhere in the abdomen and pelvis is common, primary tumors in this location are rare. Tumors of the broad ligament can be of mesenchymal and mixed nature, such as leiomyoma, the most common neoplasm; epithelial tumors of Müllerian type, imposing a challenge to differentiate them from other adnexal masses; unique tumors from mesonephric origin; and tumor-like lesions. Most neoplasms in this region, whether benign or malignant, usually present clinically with vague symptoms and are often discovered during a routine gynecological examination...
September 2020: Radiologia Brasileira
https://read.qxmd.com/read/33071379/percutaneous-access-for-the-diagnosis-of-urothelial-neoplasms-pictorial-essay-with-anatomopathological-correlation
#19
Thiago Franchi Nunes, Tiago Kojun Tibana, Rômulo Florêncio Tristão Santos, Bernardo Bacelar de Faria, Vinicius Adami Vayego Fornazari, Edson Marchiori
Urothelial carcinoma is a rare malignant neoplasm, accounting for only 5% to 7% of kidney tumors and 5% of urothelial tumors. During the management of urothelial carcinoma, anatomopathological evaluation is used for stratifying the tumors into different prognostic groups to aid in the evaluation of treatment results and to optimize the management of patients. Percutaneous image-guided biopsy is a safe and feasible procedure, with high sensitivity and accuracy rates. Although image-guided percutaneous biopsy of the urinary tract is a relatively uncommon procedure, it can be considered an option in selected cases or when traditional methods, such as the ureteroscopic technique, are not possible...
September 2020: Radiologia Brasileira
https://read.qxmd.com/read/33071378/soft-tissue-calcifications-a-pictorial-essay
#20
Luisa Leitão de Faria, Fernanda Babler, Lorena Carneiro Ferreira, Ozeas Alves de Noronha Junior, Felipe Lorenzo Marsolla, Dalton Libânio Ferreira
Soft-tissue calcifications are extremely common. Because the imaging findings are nonspecific, soft-tissue calcifications are often problematic for radiologists, sometimes prompting unnecessary interventions. In addition, the nomenclature is quite confusing. Classically, soft-tissue calcifications are divided into four categories, by mechanism of formation-dystrophic, iatrogenic, metastatic, and idiopathic-depending on the clinical and biochemical correlation. However, it is also possible to classify such calcifications by compartment, and that classification can be quite useful in the radiological diagnostic assessment...
September 2020: Radiologia Brasileira
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