Publications by authors named "Edson Marchiori"

676 Publications

Pulmonary Tuberculosis in a Patient with COVID-19 Pneumonia.

Rev Soc Bras Med Trop 2021 2;54:e03142021. Epub 2021 Jul 2.

Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil.

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http://dx.doi.org/10.1590/0037-8682-0314-2021DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8253577PMC
July 2021

Pulmonary talcosis related to cocaine inhalation.

J Bras Pneumol 2021 Jun 23;47(3):e20210146. Epub 2021 Jun 23.

. Universidade Federal do Rio de Janeiro. Rio de Janeiro (RJ) Brasil.

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http://dx.doi.org/10.36416/1806-3756/e20210146DOI Listing
June 2021

The impact of lung parenchyma attenuation on nodule volumetry in lung cancer screening.

Insights Imaging 2021 Jun 25;12(1):84. Epub 2021 Jun 25.

Manchester University NHS Foundation Trust, Manchester, UK.

Background: Recent recommendations for lung nodule management include volumetric analysis using tools that present intrinsic measurement variability, with possible impacts on clinical decisions and patient safety. This study was conducted to evaluate whether changes in the attenuation of the lung parenchyma adjacent to a nodule affect the performance of nodule segmentation using computed tomography (CT) studies and volumetric tools.

Methods: Two radiologists retrospectively applied two commercially available volumetric tools for the assessment of lung nodules with diameters of 5-8 mm detected by low-dose chest CT during a lung cancer screening program. The radiologists recorded the success and adequacy of nodule segmentation, nodule volume, manually and automatically (or semi-automatically) obtained long- and short-axis measurements, mean attenuation of adjacent lung parenchyma, and presence of interstitial lung abnormalities or disease, emphysema, pleural plaques, and linear atelectasis. Regression analysis was performed to identify predictors of good nodule segmentation using the volumetric tools. Interobserver and intersoftware agreement on good nodule segmentation was assessed using the intraclass correlation coefficient.

Results: In total, data on 1265 nodules (mean patient age, 68.3 ± 5.1 years; 70.2% male) were included in the study. In the regression model, attenuation of the adjacent lung parenchyma was highly significant (odds ratio 0.987, p < 0.001), with a large effect size. Interobserver and intersoftware agreement on good segmentation was good, although one software package performed better and measurements differed consistently between software packages.

Conclusion: For lung nodules with diameters of 5-8 mm, the likelihood of good segmentation declines with increasing attenuation of the adjacent parenchyma.
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http://dx.doi.org/10.1186/s13244-021-01027-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8233433PMC
June 2021

Non-Infectious Granulomatous Lung Disease: Imaging Findings with Pathologic Correlation.

Korean J Radiol 2021 Aug 26;22(8):1416-1435. Epub 2021 May 26.

Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine (SKKU-SOM), Seoul, Korea.

Non-infectious granulomatous lung disease represents a diverse group of disorders characterized by pulmonary opacities associated with granulomatous inflammation, a relatively nonspecific finding commonly encountered by pathologists. Some lesions may present a diagnostic challenge because of nonspecific imaging features; however, recognition of the various imaging manifestations of these disorders in conjunction with patients' clinical history, such as age, symptom onset and duration, immune status, and presence of asthma or cutaneous lesions, is imperative for narrowing the differential diagnosis and determining appropriate management of this rare group of disorders. In this pictorial review, we describe the pathologic findings of various non-infectious granulomatous lung diseases as well as the radiologic features and high-resolution computed tomography imaging features.
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http://dx.doi.org/10.3348/kjr.2020.1082DOI Listing
August 2021

Need for analgesia after percutaneous liver biopsy: a real-life experience.

Radiol Bras 2021 May-Jun;54(3):165-170

Laboratório de Pesquisa em Imagens Médicas (Labimed) da Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.

Objective: To evaluate variables affecting the need for analgesia after ultrasound-guided percutaneous liver biopsy performed on an outpatient basis.

Materials And Methods: This was a retrospective analysis of 1,042 liver biopsies performed between 2012 and 2018. The data collected included the age and sex of the patient, as well as self-reported pain in the recovery room, the pain treatment used, the indication for the biopsy, and the lobe punctured. As per the protocol of our institution, physicians would re-evaluate patients with mild pain (1-3 on a visual analog scale), prescribe analgesics for those with moderate pain (4-6 on the visual analog scale), and prescribe opioids for those with severe pain (7-10 on the visual analog scale).

Results: The main indications for biopsy were related to diffuse disease (in 89.9%), including the follow-up of hepatitis C (in 47.0%) and suspicion of nonalcoholic steatohepatitis (in 38.0%). Pain requiring analgesia occurred in 8.0% of procedures. Of the 485 female patients, 51 (10.5%) needed analgesia, compared with 33 (5.9%) of the 557 male patients ( < 0.05). The need for analgesia did not differ in relation to patient age, the lobe punctured, or the indication for biopsy (nodular or diffuse disease). The analgesic most commonly used was dipyrone (in 75.9%), followed by paracetamol alone (16.4%) and their combination with opioids (7.6%).

Conclusion: Ultrasound-guided percutaneous liver biopsy is safe and well tolerated. Postprocedural pain does not correlate with the lobe punctured, patient age, or the indication for biopsy and appears to affect more women than men.
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http://dx.doi.org/10.1590/0100-3984.2020.0035DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8177684PMC
June 2021

Cystic disease with sparing of lung bases.

J Bras Pneumol 2021 May 31;47(3):e20210117. Epub 2021 May 31.

. Universidade Federal do Rio de Janeiro, Rio de Janeiro (RJ) Brasil.

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http://dx.doi.org/10.36416/1806-3756/e20210117DOI Listing
May 2021

Importance of chest HRCT in the diagnostic evaluation of fibrosing interstitial lung diseases.

J Bras Pneumol 2021;47(3):e20200096. Epub 2021 May 31.

. Departamento de Radiologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro (RJ) Brasil.

Many conditions result in chronic interstitial lung disease (ILD), being classified as fibrosing ILDs, including idiopathic pulmonary fibrosis, connective tissue diseases, sarcoidosis, and fibrotic hypersensitivity pneumonitis. HRCT plays an important role in the clinical evaluation of fibrosing ILDs. Current treatment perspectives are encouraging and reinforce the need for HRCT scans of adequate technical quality for early detection of fibrosing ILD. Despite efforts in this regard, the significance and management of imaging findings of early interstitial lung abnormalities have yet to be clarified. After identification of CT findings consistent with fibrosing ILD, radiologists must be able to identify characteristic morphological patterns and, in some cases, features of specific clinical entities. In cases in which HRCT features are not sufficiently specific for a definitive diagnosis, HRCT can aid in selecting the best site for surgical lung biopsy. CT follow-up is useful for identifying progressive fibrosing ILDs and detecting complications unrelated to the underlying disease, including infections, acute exacerbations, and neoplasms. Automated quantification tools have clinical applicability and are likely to be available for use in imaging analysis in the near future. In addition, incorporation of CT evaluation into scoring systems based on clinical and functional parameters for staging fibrosing disease is likely to become valuable in determining prognosis. Knowledge of the clinical applications of CT evaluation is essential for specialists managing patients with fibrosing ILD and can have a positive impact on the clinical course of the disease.
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http://dx.doi.org/10.36416/1806-3756/e20200096DOI Listing
June 2021

Pulmonary cavitation in patients with COVID-19.

Clin Imaging 2021 May 7. Epub 2021 May 7.

Federal University of Rio de Janeiro, Av. Pedro Calmon, 550 - Cidade Universitária da Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.

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http://dx.doi.org/10.1016/j.clinimag.2021.04.038DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8102384PMC
May 2021

Three-dimensional virtual planning for nodule resection in solid organs: A systematic review and meta-analysis.

Surg Oncol 2021 Apr 30;38:101598. Epub 2021 Apr 30.

Graduate Program in Pathology, Federal University of Health Sciences of Porto Alegre - R, Sarmento Leite, 245, Porto Alegre, 90050170, Brazil; Medical Imaging Research Lab, LABIMED, Department of Radiology, Pavilhão Pereira Filho Hospital, Irmandade Santa Casa de Misericórdia de Porto Alegre - Av, Independência, 75, Porto Alegre, 90020160, Brazil; Postgraduate Program in Medicine and Health Sciences, Pontificia Universidade Catolica do Rio Grande do Sul, Av. Ipiranga, 6690, Porto Alegre, 90619900, Brazil. Electronic address:

Objectives: To systematically review the effects of 3D-imaging virtual planning for nodule resection in the following solid organs: lung, liver, and kidney.

Methods: MEDLINE, EMBASE, and Cochrane Library were searched through September 31, 2020 to include randomized and non-randomized controlled studies that compared outcomes of surgical resection of lung, liver, or kidney nodule resection with and without 3D virtual planning with computed tomography. From each article, the mean operation time (OT), mean estimated blood loss (EBL), mean postoperative hospital stay (POHS), and the number of postoperative events (POE) were extracted. The effect size (ES) of 3D virtual planning vs. non-3D planning was extracted from each study to calculate the pooled measurements for continuous variables (OT, EBL, POHS). Data were pooled using a random-effects model.

Results: The literature search yielded 2397 studies and 10 met the inclusion criteria with a total of 897 patients. There was a significant difference in OT between groups with a moderate ES favoring the 3D group (ES,-0.56; 95%CI: 0.91,-0.29; I = 83.1%; p < .001). Regarding EBL, there was a significant difference between 3D and non-3D with a small ES favoring IGS (ES,-0.18; 95%CI: 0.33,-0.02; I = 22.5%; p = .0236). There was no difference between the 3D and non-3D groups for both POHS (POHS ES,-0.15; 95%CI: 0.39,0.10; I = 37.0%; p = .174) and POE (POE odds ratio (OR),0.80; 95%CI:0.54,1.19; I = 0.0%; p = .0.973).

Conclusions: 3D-imaging planning for surgical resection of lung, kidney, and liver nodules could reduce OT and EBL with no effects on immediate POHS and POE. Improvements in these perioperative variables could improve medium and long-term postoperative clinical outcomes.
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http://dx.doi.org/10.1016/j.suronc.2021.101598DOI Listing
April 2021

Surfers' Knots: An Uncommon Cause of Chest Wall Masses.

Arch Bronconeumol (Engl Ed) 2021 Apr 15. Epub 2021 Apr 15.

Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. Electronic address:

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http://dx.doi.org/10.1016/j.arbres.2021.04.003DOI Listing
April 2021

Consolidation with bronchial dilation.

J Bras Pneumol 2021 Apr 30;47(2):e20210012. Epub 2021 Apr 30.

. Universidade Federal do Rio de Janeiro, Rio de Janeiro (RJ) Brasil.

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http://dx.doi.org/10.36416/1806-3756/e20210012DOI Listing
April 2021

Giant Rasmussen's aneurysm.

J Bras Pneumol 2021 04 30;47(2):e20200648. Epub 2021 Apr 30.

. Documenta Clínica Radiológica, Ribeirão Preto (SP) Brasil.

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http://dx.doi.org/10.36416/1806-3756/e20200648DOI Listing
April 2021

Pneumorrhachis: an uncommon finding in patients with COVID-19.

Rev Soc Bras Med Trop 2021 12;54:e0095. Epub 2021 Apr 12.

Universidade Federal do Rio de Janeiro, Departamento de Radiologia, Rio de Janeiro, RJ, Brasil.

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http://dx.doi.org/10.1590/0037-8682-0095-2021DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8047680PMC
April 2021

Bilateral striatal necrosis associated with enterovirus infection.

Rev Soc Bras Med Trop 2021 12;54:e0044. Epub 2021 Apr 12.

Universidade Federal do Rio de Janeiro, Departamento de Radiologia, Rio de Janeiro, RJ, Brasil.

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http://dx.doi.org/10.1590/0037-8682-0044-2021DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8047696PMC
May 2021

COVID-19 and Posterior Reversible Encephalopathy Syndrome.

Neurol Clin Pract 2021 Apr;11(2):e202-e204

Federal University of Rio de Janeiro (FN, EM); Rede Dor-São Luiz (FMC), Rio de Janeiro, Brazil.

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http://dx.doi.org/10.1212/CPJ.0000000000000904DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8032438PMC
April 2021

MRI-based differentiation between lymphoma and sarcoidosis in mediastinal lymph nodes.

J Bras Pneumol 2021;47(2):e20200055. Epub 2021 Apr 2.

. Programa de Pós-Graduação em Medicina e Ciências da Saúde, Faculdade de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre (RS) Brasil.

Objective: Evaluation of enlarged mediastinal lymph nodes is crucial for patient management. Malignant lymphoma and sarcoidosis are often difficult to differentiate. Our objective was to determine the diagnostic accuracy of MRI for differentiating between sarcoidosis and malignant lymphoma.

Methods: This was a retrospective study involving 47 patients who underwent chest MRI and were diagnosed with one of the diseases between 2017 and 2019. T1, T2, and diffusion-weighted signal intensity were measured. Apparent diffusion coefficients (ADCs) and T2 ratios were calculated. The diagnostic performance of MRI was determined by ROC analysis.

Results: Mean T2 ratio was significantly lower in the sarcoidosis group than in the lymphoma group (p = 0.009). The T2-ratio cutoff value that best differentiated between lymphoma-related and sarcoidosis-related enlarged lymph nodes was 7.1, with a sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of 58.3%, 95.6%, 76.5%, 93.3%, and 68.7%, respectively. The mean ADC was significantly lower in the lymphoma group than in the sarcoidosis group (p = 0.002). The ADC cutoff value that best differentiated between lymphoma-related and sarcoidosis-related enlarged lymph nodes was 1.205, with a sensitivity, specificity, positive predictive value, negative predictive value and accuracy of 87.5%, 82.6%, 85.1%, 84.0% and 86.3%, respectively. No significant differences were found between the two groups regarding T1 signal intensity, T2 signal intensity, and lymph node diameter.

Conclusions: MRI parameters such as ADC, diffusion, and T2 ratio can be useful in the differentiation between sarcoidosis and lymphoma in the evaluation of enlarged lymph nodes.
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http://dx.doi.org/10.36416/1806-3756/e20200055DOI Listing
May 2021

Cutting-edge application of ultrasound elastography and superb microvascular imaging in radiofrequency ablation of uterine fibroids.

J Ultrason 2021 8;21(84):80-81. Epub 2021 Mar 8.

Department of Obstetrics, Paulista School of Medicine - Federal University of São Paulo (EPM-UNIFESP), São Paulo-SP, Brazil.

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http://dx.doi.org/10.15557/JoU.2021.0014DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8008196PMC
March 2021

CO-RADS: Coronavirus Classification Review.

J Clin Imaging Sci 2021 15;11. Epub 2021 Feb 15.

Department of Radiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.

In mid-January of 2021, there were over 95 million diagnosed coronavirus disease 2019 (COVID-19) cases and approximately 2 million deaths worldwide. COVID-19 cases requiring hospitalization or intensive care show changes in computed tomography of the chest with improved sensitivity. Several radiology societies have attempted to standardize the reporting of pulmonary involvement by COVID-19. The COVID-19 Reporting and Data System (CO-RADS) builds on lessons learned during the peak of the first wave of the pandemic and shows good inter-observer reliability and good performance in predicting moderate to severe disease. We illustrate the application of the CO-RADS classification with imaging from confirmed cases of COVID-19 and discuss differences to other COVID-19 classifications.
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http://dx.doi.org/10.25259/JCIS_192_2020DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7981938PMC
February 2021

Reply to the letter "Is unilateral facial palsy truly caused by SARS-COV-2?"

Arq Neuropsiquiatr 2021 02;79(2):184-185

Universidade Federal do Rio de Janeiro, Rio de Janeiro RJ, Brazil.

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http://dx.doi.org/10.1590/0004-282X-anp-2020-0519rDOI Listing
February 2021

Porphyromonas gingivalis as an uncommon cause of intracranial abscesses.

Rev Soc Bras Med Trop 2021;54. Epub 2021 Mar 8.

Universidade Federal do Rio de Janeiro, Departamento de Radiologia, Rio de Janeiro, RJ, Brasil.

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http://dx.doi.org/10.1590/0037-8682-0370-2020DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8008890PMC
March 2021

Mosaic attenuation in a patient with COVID-19 pneumonia.

J Bras Pneumol 2021 02 24;47(2):e20200559. Epub 2021 Feb 24.

. Universidade Federal do Rio de Janeiro, Rio de Janeiro (RJ) Brasil.

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http://dx.doi.org/10.36416/1806-3756/e20200559DOI Listing
February 2021

Pulmonary Embolism Caused by a Migrated Biochip: An Alert for the Future.

Arch Bronconeumol (Engl Ed) 2021 Feb 5. Epub 2021 Feb 5.

Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Instituto D'Or de Pesquisa e Ensino, Department of Radiology, Rio de Janeiro, Brazil.

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http://dx.doi.org/10.1016/j.arbres.2021.01.023DOI Listing
February 2021

Non-neoplastic intracranial cystic lesions: not everything is an arachnoid cyst.

Radiol Bras 2021 Jan-Feb;54(1):49-55

Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil.

Intracranial cystic lesions are common findings on neuroimaging examinations, arachnoid cysts being the most common type of such lesions. However, various lesions of congenital, infectious, or vascular origin can present with cysts. In this pictorial essay, we illustrate the main causes of non-neoplastic intracranial cystic lesions, discussing their possible differential diagnoses as well as their most relevant imaging aspects.
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http://dx.doi.org/10.1590/0100-3984.2019.0144DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7863714PMC
February 2021

Tomographic findings in bronchial atresia.

Radiol Bras 2021 Jan-Feb;54(1):9-14

Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil.

Objective: To evaluate computed tomography (CT) findings in 23 patients with bronchial atresia.

Materials And Methods: The CT images were reviewed by two radiologists who reached decisions by consensus. We included only patients who presented with abnormalities on CT and in whom the diagnosis had been confirmed by pathological examination of the surgical specimen (if the lesion was resected). The CT scans were assessed in order to identify the main findings and to map the distribution of the lesions (i.e., to determine whether the pulmonary involvement was unilateral or bilateral).

Results: The main CT finding was the combination of bronchocele and hyperinflation of the distal lung. That combination was observed in all of the patients. The lesions were unilateral in all 23 cases, being seen predominantly in the left upper lobe, followed by the right lower lobe, right upper lobe, middle lobe, and left lower lobe.

Conclusion: The diagnosis of bronchial atresia can be reliably made on the basis of a finding of bronchocele accompanied by hyperinflation of the adjacent lung parenchyma.
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http://dx.doi.org/10.1590/0100-3984.2019.0136DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7863713PMC
February 2021

Tubular Opacity in the Lung Along a Bullet Trajectory.

Arch Bronconeumol (Engl Ed) 2021 Apr 9;57(4):305. Epub 2021 Jan 9.

Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. Electronic address:

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http://dx.doi.org/10.1016/j.arbres.2020.11.014DOI Listing
April 2021

Venolymphatic malformations: prenatal diagnosis using magnetic resonance imaging, perinatal outcomes and long-term follow-up.

Pediatr Radiol 2021 Jun 29;51(7):1243-1252. Epub 2021 Jan 29.

Department of Obstetrics, Paulista School of Medicine - Federal University of São Paulo (EPM-UNIFESP), Rua Belchior de Azevedo, 156 apto. 111 Torre Vitoria, São Paulo, SP, CEP 05089-030, Brazil.

Background: Venolymphatic malformations are benign. Fetal MRI can more precisely demonstrate an infiltrative pattern of malformations than US.

Objective: To evaluate perinatal outcomes and long-term follow-up of fetal venolymphatic malformations treated in different medical facilities using fetal MRI.

Materials And Methods: This retrospective cohort study evaluated 20 pregnant women between 22 weeks and 37 weeks of gestation who were referred from different institutions. They presented with fetuses with various diagnoses of cystic masses on routine US. The cases were studied using MRI. We analyzed prenatal data, perinatal outcomes and long-term follow-up.

Results: We reviewed the MRI scans of 20 patients with venolymphatic malformation. Referral diagnosis was changed in 40% (8/20) of cases, with postnatal concordance of 100% (20/20). Moreover, 65% (13/20) presented with venolymphatic malformation in more than one body segment. The neck was affected in 70% (14/20) of fetuses, while the head and thorax were affected in 30% (6/20) and 45% (9/20), respectively. There were intrathoracic lesions in 35% (7/20), lesions in the abdomen in 30% (6/20), and lesions in the perineum and extremities in 10% (2/20) each. Tracheal displacement, neck deflection and anatomical displacement caused by tumoral compression were present in 15% (3/20) of cases. Moreover, 25% (5/20) of newborns required neonatal intensive care unit admission, and all presented with cervical or thoracic venolymphatic malformation. Furthermore, 50% (10/20) of cases presented with complete resolution after medical therapy. The intrathoracic and cervical residuals (35%, 7/20) were monitored and treated.

Conclusion: MRI showed good correlation with postnatal examination of venolymphatic malformation, was useful in the differential diagnosis of fetal cysts on US, and presented a significant postnatal correlation with thoracic infiltration. The outcomes of prenatally diagnosed venolymphatic malformations are good despite the varying protocols among medical facilities.
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http://dx.doi.org/10.1007/s00247-020-04939-zDOI Listing
June 2021

Pericardial effusion.

J Bras Pneumol 2021 Jan 20;47(1):e20200587. Epub 2021 Jan 20.

. Universidade Federal do Rio de Janeiro, Rio de Janeiro (RJ) Brasil.

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http://dx.doi.org/10.36416/1806-3756/e20200587DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7889313PMC
January 2021

Calcified metastases of teratoma.

J Bras Pneumol 2021 Jan 20;47(1):e20200462. Epub 2021 Jan 20.

. Universidade Federal do Rio de Janeiro, Rio de Janeiro (RJ) Brasil.

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http://dx.doi.org/10.36416/1806-3756/e20200462DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7889322PMC
January 2021

Another Cause of the CT Target Sign: Influenza A (H1N1) Pneumonia.

Acad Radiol 2021 03 19;28(3):442-443. Epub 2021 Jan 19.

Universidade Federal do Rio de Janeiro, Av. Pedro Calmon, 550 - Cidade Universitária, 21941-901, Rio de Janeiro, Brazil.

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http://dx.doi.org/10.1016/j.acra.2020.12.025DOI Listing
March 2021
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