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1.
Point-of-Care na Prática Clínica: Realidade Consolidada PointofCare Point of Care Clínica
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Arquivos Brasileiros de Cardiologia
- Métricas do periódico
2.
Lessons from the pandemic and the value of a structured system of ultrasonographic findings in the diagnosis of COVID-19 pulmonary manifestations COVID19 COVID 19 COVID-1 COVID1 1 COVID-
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Romano, Vítor Carminatti
; Lima, Natália Tavares de Melo Barros
; Jabour, Victor Arantes
; Del Guerra, Guilherme Ciconelli
; Silvério, Paulo Rogério Barboza
; Garcia, Rodrigo Gobbo
; Sameshima, Yoshino Tamaki
; Francisco Neto, Miguel José
; Queiroz, Marcos Roberto Gomes de
.
ABSTRACT Objective We aimed to share our experience in implementing a structured system for COVID-19 lung findings, elucidating key aspects of the lung ultrasound score to facilitate its standardized clinical use beyond the pandemic scenario. Methods Using a scoring system to classify the extent of lung involvement, we retrospectively analyzed the ultrasound reports performed in our institution according to COVID-RADS standardization. Results The study included 69 thoracic ultrasound exams, with 27 following the protocol. The majority of patients were female (52%), with ages ranging from 1 to 96 years and an average of 56 years. Classification according to COVID-RADS was as follows: 11.1% in category 0, 37% in category 1, 44.4% in category 2, and 7.4% in category 3. Ground-glass opacities on tomography correlated with higher COVID-RADS scores (categories 2 and 3) in 82% of cases. Ventilatory assessment revealed that 50% of cases in higher COVID-RADS categories (2 and 3) required second-line oxygen supplementation, while none of the cases in lower categories (0 and 1) utilized this support. Conclusion Lung ultrasound has been widely utilized as a diagnostic tool owing to its availability and simplicity of application. In the context of the pandemic emergency, a pressing need for a focused and easily applicable assessment arose. The structured reporting system, incorporating ultrasound findings for stratification, demonstrated ease of replicability. This system stands as a crucial tool for screening, predicting severity, and aiding in medical decisions, even in a non-pandemic context. COVID19 COVID 19 COVID-1 scenario involvement COVIDRADS RADS standardization 6 exams protocol 52%, 52 52% , (52%) 9 5 follows 111 11 11.1 0 37 444 44 4 44.4 74 7 7.4 3 Groundglass Ground glass 82 50 ( secondline second line supplementation support application emergency arose stratification replicability screening severity decisions nonpandemic non COVID1 COVID- (52% 11. 44. 7. 8 (52 (5
3.
APENDIC-RADS: an ultrasound reporting system for the diagnosis of acute appendicitis APENDICRADS APENDIC RADS APENDIC-RADS
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Queiroz, Marcos Roberto Gomes de
; Jabour, Victor Arantes
; Souza Junior, José Leão de
; Paixão, Milena Ribeiro
; Silva, Paulo Savoia Dias da
; Kang, Davi Wen Wei
; Barboza, Gaby Cecilia Yupanqui Guerra
; Bourroul, Guilherme Muniz
; Lamare, Juliana Maria Haddad de
; Pontes, Irline Cordeiro de Macedo
; Pereira, Gabriela Cauper de Carvalho
; Roselli, Wanessa Rolando
; Silva, Marcelo Rocha Corrêa da
; Rahal Junior, Antonio
; Braga, Cesar Augusto Passos
; Francisco Neto, Miguel José
.
ABSTRACT Objective: Abdominal ultrasonography is widely used to evaluate suspected cases of appendicitis. Objective descriptions of the direct and indirect signs of appendicitis result in varied assessments of its likelihood. This study introduces the Appendix Imaging Reporting and Data System (APENDIC-RADS) to standardize the reporting of appendix ultrasound findings. Methods: This single-center retrospective study included consecutive patients of all ages who underwent abdominal ultrasonography for the investigation of acute appendicitis. The primary outcome was histopathological confirmation of acute appendicitis post-surgery. The imaging findings were classified into five categories: APENDIC-RADS 0, where the appendix cannot be visualized; APENDIC-RADS 1, indicating a normal appendix; APENDIC-RADS 2, describing an appendix that is likely normal but only partially visualized; APENDIC-RADS 3, appendicitis cannot be ruled out due to uncertain features and APENDIC-RADS 4, acute appendicitis. Results: A total of 747 patients were assessed for suspected acute appendicitis using ultrasonography. Of the diagnosed patients, 52% were male, primarily exhibiting symptoms such as nausea and/or vomiting (60%), right iliac fossa pain (54%), and sudden decompression in the right iliac fossa (24%). Stratification into APENDIC-RADS categories revealed a significant variation in the incidence of acute appendicitis, with incidence rates of 4.5% for category 0 and 0.7%, 2.2%, 11.5%, and 93.5% for categories 1 to 4, respectively (p<0.001). The APENDIC-RADS showed excellent discriminative ability, evidenced by an area under the receiver operating characteristic curve of 0.950 (95%CI=0.899-1). Conclusion: APENDIC-RADS categorization demonstrated excellent performance in standardizing the ultrasound-determined probability of acute appendicitis. Its implementation could improve physician communication and standardization of patient management. likelihood APENDICRADS APENDIC RADS (APENDIC-RADS Methods singlecenter single center postsurgery. postsurgery post surgery. surgery post-surgery visualized 2 3 4 Results 74 52 male andor or 60%, 60 60% , (60%) 54%, 54 54% (54%) 24%. 24 24% . (24%) 45 5 4.5 07 7 0.7% 22 2.2% 115 11 11.5% 935 93 93.5 p<0.001. p0001 p p<0.001 001 (p<0.001) ability 0950 950 0.95 95%CI=0.8991. 95CI08991 CI 95%CI=0.899 95 899 (95%CI=0.899-1) Conclusion ultrasounddetermined determined management 6 (60% (54% (24% 4. 0.7 2.2 11.5 9 93. p000 p<0.00 00 (p<0.001 095 0.9 8991 95%CI=0.8991 95CI0899 95%CI=0.89 89 (95%CI=0.899-1 (60 (54 (24 0. 2. 11. p00 p<0.0 (p<0.00 09 95CI089 95%CI=0.8 8 (95%CI=0.899- (6 (5 (2 p0 p<0. (p<0.0 95CI08 95%CI=0. (95%CI=0.899 ( p<0 (p<0. 95CI0 95%CI=0 (95%CI=0.89 p< (p<0 95CI 95%CI= (95%CI=0.8 (p< 95%CI (95%CI=0. (p (95%CI=0 (95%CI= (95%CI
4.
Omental lipoma in pediatric age group: clinical presentation, image findings and management
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Falsarella, Priscila Mina
; Rahal Junior, Antonio
; Dórea, Aline Andrade
; Muniz Neto, Francisco Júlio
; Francisco Neto, Miguel José
; Garcia, Rodrigo Gobbo
; Queiroz, Marcos Roberto Gomes de
.
ABSTRACT A 2-year-old female patient, admitted in the emergency room, presented diarrhea for 5 days and bloody stools in the last 24 hours. Physical examination revealed no significant findings. Ultrasound was initially performed, showing an elongated, well delimited and solid mass occupying since right hypocondrium until left iliac fossa, displacing adjacent structures. In sequence, magnetic resonance imaging was performed for confirmation of findings suggestive of omentum lipoma. After 1 week, the surgical resection was performed by videolaparoscopic acess. During 2-year follow-up, there was no sign of recurrence.
5.
Prognostic factors of worse outcome for hospitalized COVID-19 patients, with emphasis on chest computed tomography data: a retrospective study
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do Amaral e Castro, Adham
; Yokoo, Patrícia
; Fonseca, Eduardo Kaiser Ururahy Nunes
; Otoni, Jessyca Couto
; Haiek, Sarah Lustosa
; Shoji, Hamilton
; Chate, Rodrigo Caruso
; Pereira, Andrea Z
; Queiroz, Marcos Roberto Gomes de
; Batista, Marcelo Costa
; Szarf, Gilberto
.
ABSTRACT Objective: To evaluate anthropometric and clinical data, muscle mass, subcutaneous fat, spine bone mineral density, extent of acute pulmonary disease related to COVID-19, quantification of pulmonary emphysema, coronary calcium, and hepatic steatosis using chest computed tomography of hospitalized patients with confirmed diagnosis of COVID-19 pneumonia and verify its association with disease severity. Methods: A total of 123 adults hospitalized due to COVID-19 pneumonia were enrolled in the present study, which evaluated the anthropometric, clinical and chest computed tomography data (pectoral and paravertebral muscle area and density, subcutaneous fat, thoracic vertebral bodies density, degree of pulmonary involvement by disease, coronary calcium quantification, liver attenuation measurement) and their association with poorer prognosis characterized through a combined outcome of intubation and mechanical ventilation, need of intensive care unit, and death. Results: Age (p=0.013), body mass index (p=0.009), lymphopenia (p=0.034), and degree of pulmonary involvement of COVID-19 pneumonia (p<0.001) were associated with poor prognosis. Extent of pulmonary involvement by COVID-19 pneumonia had an odds ratio of 1,329 for a poor prognosis and a cutoff value of 6.5 for increased risk, with a sensitivity of 64.9% and specificity of 67.1%. Conclusion: The present study found an association of high body mass index, older age, extent of pulmonary involvement by COVID-19, and lymphopenia with severity of COVID-19 pneumonia in hospitalized patients.
6.
Ultrasound classification of thyroid nodules: does size matter?
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Sakajiri, Raissa Kitaguchi
; Rahal Junior, Antonio
; Francisco Neto, Miguel José
; Queiroz, Marcos Roberto Gomes de
; Garcia, Rodrigo Gobbo
; Martins, Leandro Aurélio Liporoni
; Malerbi, Domingos Augusto Cherino
.
ABSTRACT Objective To determine whether the size of thyroid nodules in ACR-TIRADS ultrasound categories 3 and 4 is correlated with the Bethesda cytopathology classification. Methods Thyroid nodules (566) subclassified as ACR-TIRADS 3 or 4 were divided into three size categories according to American Thyroid Association guidelines. The frequency of different Bethesda categories in each size range within ACR-TIRADS 3 and 4 classifications was analyzed. Results Most nodules in both ACR-TIRADS classifications fell in the Bethesda 2 category, regardless of size (90.8% and 68.6%, ACR-TIRADS 3 and 4 respectively). The prevalence of Bethesda 6 nodules in the ACR-TIRADS 4 group was 14 times higher than in the ACR-TIRADS 3 group. There were no significant differences between nodule size and fine needle aspiration biopsy classification in any of the ACR-TIRADS categories. Conclusion Size does not appear to be an important criterion for indication of fine needle aspiration biopsy in thyroid nodules with a high suspicion of malignancy on ultrasound examination.
7.
Ultrasonographic evaluation of cecal appendix diameter in pediatric population
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Queiroz, Marcos Roberto Gomes de
; Francisco Neto, Miguel José
; Rahal Junior, Antonio
; Jabour, Victor Arantes
; Andrade, Guilherme Neves Lourenço
; Silva, Paulo Savoia Dias da
; Garcia, Rodrigo Gobbo
; Pereira, Marcelo dos Santos
; Santos, Marina Ramos
; Luna, Pedro Andrade Alencar
; Sameshima, Yoshino Tamaki
; Gual, Fabiana
; Dutra, Marcelo Guimarães
; Germino, Beatriz Placca
; Alves, Isabella Ferreira
.
ABSTRACT Objective To stratify ultrasound samples in a pediatric population undergoing evaluation for acute appendicitis to examine the variability in cecal appendix diameter, in different age groups, and to determine whether there is a prevalent value for each age group. Methods A retrospective cross-sectional study with 196 children aged 0 to 15 years. Data were extracted from reports of ultrasound examinations carried out between 2008 and 2015. Children with sonographic diagnosis of appendicitis or other signs of periappendiceal inflammation were excluded. Results The evaluation of the anteroposterior measurement of the cecal appendix revealed a mean diameter of 4.14mm (standard deviation: 0.93mm; 95%CI: 3.86-4.14). Cecal appendix diameter did not differ significant between age groups. Conclusion Evaluation of the anteroposterior diameter of the cecal appendix in centimeters in a sample of 196 children aged 0 to15 years revealed a mean diameter of 4.14mm (standard deviation, 0.93mm. There were no significant differences in cecal appendix diameter following stratification by age. Results indicate a single value can be adopted for mean cecal appendix diameter in pediatric populations.
8.
Rational use of chest ultrasound to confront COVID-19
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https://doi.org/10.1590/0100-3984.2020.53.5e3
975 downloads
9.
Quality and safety innovations in the Radiology Department during the COVID-19 pandemic: a Latin American experience
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Yokoo, Patrícia
; Silva, Maria Carolina Bueno da
; Castro, Adham do Amaral e
; Fonseca, Eduardo Kaiser Ururahy Nunes
; Martins, Karine Minaif
; Queiroz, Marcos Roberto Gomes de
; Szarf, Gilberto
; Tachibana, Adriano
.
RESUMO Os departamentos de radiologia precisaram adotar mudanças significativas em sua rotina durante a pandemia da doença causada pelo novo coronavírus, a fim de reduzir sua transmissibilidade e otimizar os cuidados médicos. Neste artigo, descrevemos as políticas adotadas pelo Departamento de Radiologia de um hospital privado durante a pandemia, com foco em qualidade e segurança de paciente submetido a exames de imagem, equipe de assistência do departamento de imagem, médico solicitante, demais pacientes e ambiente hospitalar.
ABSTRACT Radiology departments were forced to make significant changes in their routine during the coronavirus disease 2019 pandemic, to prevent further transmission of the coronavirus and optimize medical care as well. In this article, we describe our Radiology Department’s policies in a private hospital for coronavirus disease 2019 preparedness focusing on quality and safety for the patient submitted to imaging tests, the healthcare team involved in the exams, the requesting physician, and for other patients and hospital environment.
https://doi.org/10.31744/einstein_journal/2020gs5832
896 downloads
10.
Injecting hemostatic matrix in the path of biopsies: efficacy, potential complications, and the management of such complications
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Rahal Junior, Antonio
; Falsarella, Priscila Mina
; Ferreira, Vinicius Tadeu Rodrigues
; Mariotti, Guilherme Cayres
; Queiroz, Marcos Roberto Gomes de
; Garcia, Rodrigo Gobbo
.
Resumo Objetivo: Descrever a técnica de injeção de matrizes hemostáticas e a experiência do nosso serviço de radiologia intervencionista na sua aplicação. Materiais e Métodos: Foi realizado estudo unicêntrico com análise retrospectiva da experiência do nosso grupo na utilização de matriz hemostática gelatinosa em biópsias percutâneas. Resultados: Foram realizadas 73 biópsias com utilização de matriz hemostática gelatinosa no trajeto da agulha coaxial em diferentes órgãos, como fígado, rim, baço, entre outros. A única complicação observada foi a migração da matriz hemostática para o sistema coletor do rim esquerdo, sendo solucionada com tratamento clínico. Não foram observados casos de sangramento no trajeto das biópsias após a injeção de matrizes hemostáticas. Conclusão: O uso de matrizes hemostáticas no trajeto de biópsias percutâneas é mais uma ferramenta disponível a ser considerada nos procedimentos minimamente invasivos.
Abstract Objective: To describe the technique of injecting hemostatic matrix, as well as the experience of our interventional radiology department in its application. Materials and Methods: We conducted a single-center study with retrospective analysis of the experience of our group in the use of hemostatic gelatin matrix in percutaneous biopsies. Results: In a total of 73 biopsies in different organs, such as the liver, kidney, and spleen, hemostatic gelatin matrix was introduced into the coaxial needle. The only complication observed was migration of the hemostatic matrix to the left kidney collecting system, and that was resolved with clinical treatment. There were no cases of bleeding after the injection of hemostatic matrix. Conclusion: The use of hemostatic matrices in the path of percutaneous biopsies is another tool available for consideration in minimally invasive procedures.
https://doi.org/10.1590/0100-3984.2017.0011
1396 downloads
11.
Percutaneous laser ablation of benign thyroid nodules: a one year follow-up study
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Rahal Junior, Antonio
; Falsarella, Priscila Mina
; Mendes, Guilherme Falleiros
; Hidal, Jairo Tabacow
; Andreoni, Danielle Macellaro
; Lúcio, José Flávio Ferreira
; Queiroz, Marcos Roberto Gomes de
; Garcia, Rodrigo Gobbo
.
RESUMO Objetivo Avaliar a segurança e a efetividade da redução de volume nodular e função tireoidiana após tratamento com ablação percutânea por laser em pacientes com nódulos tireoidianos benignos não funcionantes. Métodos Estudo unicêntrico prospectivo, de janeiro de 2011 a outubro de 2012, que avaliou 30 pacientes eutireoideos (com anticorpos antitireoide negativos), com nódulo solitário ou dominante benigno, com indicação de tratamento devido a sintomas de compressão e distúrbios estéticos. As avaliações clínica e laboratorial (ultrassonografia de tireoide, TSH, FT4, TG, TG-Ab, TPO-Ab e TRAb) foram realizada antes do procedimento e periodicamente − 1 semana, 3 meses e 6 meses depois. A técnica de ablação consistiu em procedimento realizado sob a anestesia local e sedação. Em cada tratamento, uma a três agulhas espinhais 21G foram inseridas no nódulo tireoidiano. A fibra laser foi posicionada através da agulha que foi, então, retirada 10mm, para deixar a ponta em contato direto com o nódulo. Os pacientes foram tratados com uma potência de saída ND: Yag-laser de 4W e 1.500 a 2.000J por fibra por tratamento. Todo o procedimento foi guiado por ultrassonografia. Resultados Foram avaliados 30 pacientes, com total de 31 nódulos submetidos à ablação a laser. A redução média volumétrica do nódulo foi de aproximadamente 60% após 12 meses. Não foi observada significância estatística na função da tireoide e nem nos níveis de anticorpos. Houve pico no nível de tiroglobulina após o procedimento devido à destruição do tecido (p<0,0001). Nenhum efeito adverso foi observado. Conclusão A ablação com laser é um tratamento minimamente invasivo promissor para tratamento do nódulo benigno da tireoide.
ABSTRACT Objective To evaluate safety and effectiveness of nodule volume reduction and thyroid function after percutaneous laser ablation treatment in patients with benign nonfunctioning thyroid nodules. Methods Prospective single-center study, from January 2011 to October 2012, which evaluated 30 euthyroid and thyroid antibodies negative patients with benign solitary or dominant nodule with indication of treatment due to compressive symptoms and aesthetic disturbances. The clinical and laboratory (thyroid ultrasound, TSH, FT4, TG, TG-Ab, TPO-Ab and TRAb levels) evaluations were performed before the procedure, and periodically 1 week, 3 months and 6 months after. The ablation technique was performed under local anesthesia and sedation. In each treatment, one to three 21G spinal needle were inserted into the thyroid nodule. The laser fiber was positioned through the needle, which was then withdrawn 10mm to leave the tip in direct contact with the nodule tissue. Patients were treated with a ND: Yag-laser output power of 4W and 1,500 to 2,000J per fiber per treatment. The entire procedure was performed under US guidance. Results Thirty patients, with a total of 31 nodules submitted to laser ablation were evaluated. The median volumetric reduction of the nodule was approximately 60% after 12 months. No statistical significance was observed on thyroid function and antibodies levels. There was a peak on the level of thyroglobulin after the procedure due to tissue destruction (p<0.0001). No adverse effects were observed. Conclusion Percutaneous laser ablation is a promising outpatient minimally invasive treatment of benign thyroid nodule.
https://doi.org/10.31744/einstein_journal/2018ao4279
2226 downloads
12.
Prostate cancer detection using multiparametric 3 – tesla MRI and fusion biopsy: preliminary results
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Mussi, Thais Caldara
; Garcia, Rodrigo Gobbo
; Queiroz, Marcos Roberto Gomes de
; Lemos, Gustavo Caserta
; Baroni, Ronaldo Hueb
.
ABSTRACT Objective: To evaluate the diagnostic efficacy of transrectal ultrasonography (US) biopsy with imaging fusion using multiparametric (mp) magnetic resonance imaging (MRI) in patients with suspicion of prostate cancer (PCa), with an emphasis on clinically significant tumors according to histological criteria. Materials and Methods: A total of 189 consecutive US/MRI fusion biopsies were performed obtaining systematic and guided samples of suspicious areas on mpMRI using a 3 Tesla magnet without endorectal coil. Clinical significance for prostate cancer was established based on Epstein criteria. Results: In our casuistic, the average Gleason score was 7 and the average PSA was 5.0ng/mL. Of the 189 patients that received US/MRI biopsies, 110 (58.2%) were positive for PCa. Of those cases, 88 (80%) were clinically significant, accounting for 46.6% of all patients. We divided the MRI findings into 5 Likert scales of probability of having clinically significant PCa. The positivity of US/MRI biopsy for clinically significant PCa was 0%, 17.6% 23.5%, 53.4% and 84.4% for Likert scores 1, 2, 3, 4 and 5, respectively. There was a statistically significant difference in terms of biopsy results between different levels of suspicion on mpMRI and also when biopsy results were divided into groups of clinically non-significant versus clinically significant between different levels of suspicion on mpMRI (p-value <0.05 in both analyzes). Conclusion: We found that there is a significant difference in cancer detection using US/MRI fusion biopsy between low-probability and intermediate/high probability Likert scores using mpMRI.
https://doi.org/10.1590/S1677-5538.IBJU.2015.0204
1555 downloads
13.
Multiparametric magnetic resonance imaging findings of prostatic pure leiomyomas
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Mussi, Thais Caldara
; Costa, Yves Bohrer
; Obara, Marcos Takeo
; Queiroz, Marcos Roberto Gomes de
; Garcia, Rodrigo Gobbo
; Longo, José Antonio Domingos Cianciarulo
; Lemos, Gustavo Caserta
; Baroni, Ronaldo Hueb
.
RESUMO Objetivo: Descrever os achados de imagem de tumores prostáticos não adenocarcinoma na ressonância magnética multiparamétrica. Métodos: Realizaram ressonância magnética multiparamétrica da próstata para detecção de câncer de próstata 200 pacientes de agosto de 2013 a setembro de 2014, seguida por biópsia com fusão de imagens de ultrassonografia/ressonância magnética. Resultados: Encontramos três casos confirmados histologicamente de leiomiomas prostáticos puros (0,02%) em nossa casuística e descrevemos os achados da ressonância magnética multiparamétrica destes casos de leiomiomas. Os achados de imagem foram semelhantes aos de lesões com moderada ou alta suspeição para neoplasia clinicamente significante (Likert 4 ou 5) quando localizados na zona de transição ou zona periférica da próstata. Conclusão: Leiomiomas puros da próstata tiveram achados de imagem na ressonância magnética multiparamétrica que mimetizaram adenocarcinomas. Radiologistas, urologistas e patologistas devem estar cientes destas entidades e seus achados de imagem.
ABSTRACT Objective: To describe the imaging findings of prostatic tumors nonadenocarcinoma on multiparametric magnetic resonance imaging. Methods: A total of 200 patients underwented multiparametric magnetic resonance imaging of the prostate for screening for prostate cancer, from August 2013 to September 2014, followed by biopsy with ultrasound/magnetic resonance imaging fusion. Results: We found three pathologic proved cases of prostatic pure leiomyomas (0.02%) in our series and described the multiparametric magnetic resonance imaging features of these prostatic leiomyomas. The imaging findings had similar features to lesions with moderate or high suspicion for significant cancer (Likert 4 or 5) when localized both in the transitional zone or in the peripheral zone of the gland. Conclusion: Pure prostatic leiomyomas had imaging findings on multiparametric magnetic resonance imaging that mimicked usual adenocarcinomas on this test. Radiologists, urologists and pathologists must be aware of this entity and its imaging features.
https://doi.org/10.1590/S1679-45082016AO3715
13104 downloads
14.
Correlation of Thyroid Imaging Reporting and Data System [TI-RADS] and fine needle aspiration: experience in 1,000 nodules
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Rahal Junior, Antonio
; Falsarella, Priscila Mina
; Rocha, Rafael Dahmer
; Lima, João Paulo Bacellar Costa
; Iani, Matheus Jorge
; Vieira, Fábio Augusto Cardillo
; Queiroz, Marcos Roberto Gomes de
; Hidal, Jairo Tabacow
; Francisco Neto, Miguel José
; Garcia, Rodrigo Gobbo
; Funari, Marcelo Buarque de Gusmão
.
RESUMO Objetivo Apresentar a correlação entre o Thyroid Imaging Reporting and Data System (TI-RADS) e o sistema Bethesda, para relatar citopatologia em 1.000 nódulos tireoidianos. Métodos Estudo retrospectivo realizado no período de novembro de 2011 a fevereiro de 2014, que avaliou 1.000 nódulos tireoidianos de 906 pacientes submetidos a exame de ultrassonografia e à punção aspirativa por agulha fina. Resultados Observou-se associação significativa entre o TI-RADS e o resultado da classificação de Bethesda (p<0,001). A maioria dos indivíduos com TI-RADS 2 ou 3 teve resultado citológico Bethesda 2 (95,5% e 92,5%, respectivamente). Entre aqueles classificados TI-RADS 4C e 5, a maioria teve resultado Bethesda 6 (68,2% e 91,3%, respectivamente; p<0,001). A proporção de malignidades em TI-RADS 2 foi 0,8% e em TI-RADS 3 foi 1,7%. Entre TI-RADS 4A, foi de 16,0%, 43,2% em 4B, 72,7% em 4C e em 5 foi de 91,3% (p<0,001), mostrando clara associação entre o TI-RADS e os resultados da biópsia. Conclusão O TI-RADS é apropriado para avaliar nódulos da tireoide e evitar punção aspirativa por agulha fina desnecessária, além de auxiliar na decisão sobre quando este procedimento deve ser realizado.
ABSTRACT Objective To correlate the Thyroid Imaging Reporting and Data System (TI-RADS) and the Bethesda system in reporting cytopathology in 1,000 thyroid nodules. Methods A retrospective study conducted from November 2011 to February 2014 that evaluated 1,000 thyroid nodules of 906 patients who underwent ultrasound exam and fine needle aspiration. Results A significant association was found between the TI-RADS outcome and Bethesda classification (p<0.001). Most individuals with TI-RADS 2 or 3 had Bethesda 2 result (95.5% and 92.5%, respectively). Among those classified as TI-RADS 4C and 5, most presented Bethesda 6 (68.2% and 91.3%, respectively; p<0.001). The proportion of malignancies among TI-RADS 2 was 0.8%, and TI-RADS 3 was 1.7%. Among those classified as TI-RADS 4A, proportion of malignancies was 16.0%, 43.2% in 4B, 72.7% in 4C and 91.3% among TI-RADS 5 (p<0.001), showing clear association between TI-RADS and biopsy results. Conclusion The TI-RADS is appropriate to assess thyroid nodules and avoid unnecessary fine needle aspiration, as well as to assist in making decision about when this procedure should be performed.
https://doi.org/10.1590/S1679-45082016AO3640
70467 downloads
15.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
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Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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