Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713

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The search for the author or contributors found : 34 results


Clusters of small nodules with no confluence

Aglomerados de pequenos nódulos sem confluência

Edson Marchiori1,2, Bruno Hochhegger3,4, Gláucia Zanetti2,5

J Bras Pneumol.2016;42(6):402-402

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Cocaine-induced pulmonary changes: HRCT findings

Alterações pulmonares induzidas pelo uso de cocaína: avaliação por TCAR de tórax

Renata Rocha de Almeida1, Gláucia Zanetti1,2, Arthur Soares Souza Jr.3, Luciana Soares de Souza4, Jorge Luiz Pereira e Silva5, Dante Luiz Escuissato6, Klaus Loureiro Irion7, Alexandre Dias Mançano8, Luiz Felipe Nobre9, Bruno Hochhegger10, Edson Marchiori1,11

J Bras Pneumol.2015;41(4):323-330

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Objective: To evaluate HRCT scans of the chest in 22 patients with cocaine-induced pulmonary disease. Methods: We included patients between 19 and 52 years of age. The HRCT scans were evaluated by two radiologists independently, discordant results being resolved by consensus. The inclusion criterion was an HRCT scan showing abnormalities that were temporally related to cocaine use, with no other apparent causal factors. Results: In 8 patients (36.4%), the clinical and tomographic findings were consistent with "crack lung", those cases being studied separately. The major HRCT findings in that subgroup of patients included ground-glass opacities, in 100% of the cases; consolidations, in 50%; and the halo sign, in 25%. In 12.5% of the cases, smooth septal thickening, paraseptal emphysema, centrilobular nodules, and the tree-in-bud pattern were identified. Among the remaining 14 patients (63.6%), barotrauma was identified in 3 cases, presenting as pneumomediastinum, pneumothorax, and hemopneumothorax, respectively. Talcosis, characterized as perihilar conglomerate masses, architectural distortion, and emphysema, was diagnosed in 3 patients. Other patterns were found less frequently: organizing pneumonia and bullous emphysema, in 2 patients each; and pulmonary infarction, septic embolism, eosinophilic pneumonia, and cardiogenic pulmonary edema, in 1 patient each. Conclusions: Pulmonary changes induced by cocaine use are varied and nonspecific. The diagnostic suspicion of cocaine-induced pulmonary disease depends, in most of the cases, on a careful drawing of correlations between clinical and radiological findings.

 


Keywords: Cocaine, Cocaine-related disorders; Tomography, X-ray computed; Lung diseases.

 


Mosaic attenuation.

Atenuação em mosaico.

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c.

J Bras Pneumol.2019;45(6):e20190343-e20190343

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Lymph node calcifications

Calcificações linfonodais

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2018;44(2):83-83

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Pleural calcifications

Calcificações pleurais

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2018;44(6):-

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Nodular fissure

Cissura nodular

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2018;44(4):259-259

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Pulmonary cysts associated with calcified nodules

Cistos pulmonares associados a nódulos calcificados

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2019;45(3):e20190099-e20190099

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Dense consolidation

Consolidação densa

Edson Marchiori1,2, Gláucia Zanetti2,3, Bruno Hochhegger4,5

J Bras Pneumol.2015;41(4):388-388

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Niemann-Pick disease type B: HRCT assessment of pulmonary involvement

Doença de Niemann-Pick tipo B: avaliação do comprometimento pulmonar por TCAR

Heloisa Maria Pereira Freitas1, Alexandre Dias Mançano2, Rosana Souza Rodrigues1,3, Bruno Hochhegger4, Pedro Paulo Teixeira e Silva Torres5, Dante Escuissato6, Cesar Augusto Araujo Neto7, Edson Marchiori1

J Bras Pneumol.2017;43(6):451-455

Abstract PDF PT PDF EN Portuguese Text

Objective: To analyze HRCT findings in patients with Niemann-Pick disease (NPD) type B, in order to determine the frequency of HRCT patterns and their distribution in the lung parenchyma, as well as the most common clinical characteristics. Methods: We studied 13 patients (3 males and 10 females) aged 5 to 56 years. HRCT images were independently evaluated by two observers, and disagreements were resolved by consensus. The inclusion criteria were presence of abnormal HRCT findings and diagnosis of NPD type B confirmed by histopathological examination of a bone marrow, lung, or liver biopsy specimen. Results: The most common clinical findings were hepatosplenomegaly and mild to moderate dyspnea. The most common HRCT patterns were smooth interlobular septal thickening and ground-glass opacities, which were both present in all patients. Intralobular lines were present in 12 patients (92.3%). A crazy-paving pattern was observed in 5 patients (38.4%), and areas of air trapping were identified in only 1 case (7.6%). Pulmonary involvement was bilateral in all cases, with the most affected area being the lower lung zone. Conclusions: Smooth interlobular septal thickening, with or without associated ground-glass opacities, in patients with hepatosplenomegaly is the most common finding in NPD type B.

 


Keywords: Niemann-Pick diseases; Tomography, X-ray computed; Lung diseases.

 


Pulmonary fat embolism of neoplastic origin

Embolia pulmonar gordurosa de origem neoplásica

Flávia Pinto1, Miriam Menna Barreto1, Daniela Braz Parente1, Edson Marchiori1

J Bras Pneumol.2016;42(6):466-467

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Interlobular septal thickening

Espessamento de septos interlobulares

Edson Marchiori1,2, Gláucia Zanetti2,3, Bruno Hochhegger4,5

J Bras Pneumol.2016;42(2):161-161

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Honeycombing

Faveolamento

Edson Marchiori1, Bruno Hochhegger2, Gláucia Zanetti1

J Bras Pneumol.2017;43(5):329-329

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Opaque hemithorax

Hemitórax opaco

Edson Marchiori1, Bruno Hochhegger2, Gláucia Zanetti1

J Bras Pneumol.2017;43(3):161-161

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Pulmonary benign metastasizing leiomyoma presenting as small, diffuse nodules

Leiomioma metastático benigno pulmonar apresentando padrão de pequenos nódulos difusos

Jean-Michel Dossegger1,a, Leonardo Hoehl Carneiro1,b, Rosana Souza Rodrigues1,2,c, Miriam Menna Barreto1,d, Edson Marchiori1,e

J Bras Pneumol.2019;45(4):e20180318-e20180318

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Diffuse pulmonary lymphangiomatosis

Linfangiomatose pulmonar difusa

Igor Biscotto1,a, Rosana Souza Rodrigues1,2,b, Danielle Nunes Forny1,c, Miriam Menna Barreto1,d, Edson Marchiori1,e

J Bras Pneumol.2019;45(5):e20180412-e20180412

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Anterior mediastinal mass

Massa do mediastino anterior

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2018;44(1):3-3

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Calcified intracavitary mass: a rare presentation of aspergilloma

Massa intracavitária calcificada: uma apresentação rara de aspergiloma

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2019;45(2):e20180396-e20180396

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Paravertebral mass

Massa paravertebral

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2018;44(5):352-352

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Hyperinflation surrounding a solitary nodule

Nódulo com hiperinsuflação adjacente

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2019;45(1):e20190013-e20190013

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Intracavitary nodule

Nódulo intracavitário

Edson Marchiori1,2, Bruno Hochhegger3,4, Gláucia Zanetti2,5

J Bras Pneumol.2016;42(5):309-309

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Intracavitary nodule in active tuberculosis: differential diagnosis of aspergilloma

Nódulo intracavitário em tuberculose em atividade: diagnóstico diferencial de aspergiloma

Edson Marchiori1,2, Bruno Hochhegger3,4, Gláucia Zanetti2,5

J Bras Pneumol.2015;41(6):562-563

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Multiple calcified nodules

Nódulos múltiplos calcificados

Edson Marchiori1,2, Gláucia Zanetti2,3, Bruno Hochhegger4,5

J Bras Pneumol.2016;42(3):164-164

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Multiple cavitated nodules

Nódulos múltiplos escavados

Edson Marchiori1, Bruno Hochhegger2,3, Gláucia Zanetti1

J Bras Pneumol.2017;43(2):85-85

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Tree-in-bud pattern

Padrão de árvore em brotamento

Edson Marchiori1, Bruno Hochhegger2, Gláucia Zanetti1

J Bras Pneumol.2017;43(6):407-407

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Multiple, small centrilobular nodules

Pequenos nódulos centrolobulares múltiplos

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2019;45(5):e20190291-e20190291

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Small interstitial nodules

Pequenos nódulos intersticiais

Edson Marchiori1, Gláucia Zanetti2, Bruno Hochhegger3

J Bras Pneumol.2015;41(3):250-250

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Pneumomediastinum

Pneumomediastino

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2019;45(4):e20190169-e20190169

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Organizing pneumonia: chest HRCT findings

Pneumonia em organização: achados da TCAR de tórax

Igor Murad Faria1, Gláucia Zanetti2, Miriam Menna Barreto3, Rosana Souza Rodrigues4, Cesar Augusto Araujo-Neto5, Jorge Luiz Pereira e Silva5, Dante Luiz Escuissato6, Arthur Soares Souza Jr7, Klaus Loureiro Irion8, Alexandre Dias Mançano9, Luiz Felipe Nobre10, Bruno Hochhegger, Edson Marchiori11

J Bras Pneumol.2015;41(3):231-237

Abstract PDF PT PDF EN Portuguese Text

Objective: To determine the frequency of HRCT findings and their distribution in the lung parenchyma of patients with organizing pneumonia. Methods: This was a retrospective review of the HRCT scans of 36 adult patients (26 females and 10 males) with biopsy-proven organizing pneumonia. The patients were between 19 and 82 years of age (mean age, 56.2 years). The HRCT images were evaluated by two independent observers, discordant interpretations being resolved by consensus. Results: The most common HRCT finding was that of ground-glass opacities, which were seen in 88.9% of the cases. The second most common finding was consolidation (in 83.3% of cases), followed by peribronchovascular opacities (in 52.8%), reticulation (in 38.9%), bronchiectasis (in 33.3%), interstitial nodules (in 27.8%), interlobular septal thickening (in 27.8%), perilobular pattern (in 22.2%), the reversed halo sign (in 16.7%), airspace nodules (in 11.1%), and the halo sign (in 8.3%). The lesions were predominantly bilateral, the middle and lower lung fields being the areas most commonly affected. Conclusions: Ground-glass opacities and consolidation were the most common findings, with a predominantly random distribution, although they were more common in the middle and lower thirds of the lungs.

 


Keywords: Cryptogenic organizing pneumonia; Respiratory tract diseases; Tomography, X-ray computed.

 


Unilateral hyperlucent lung

Pulmão hipertransparente unilateral

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2018;44(3):182-182

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The halo sign

Sinal do halo

Edson Marchiori1,2, Bruno Hochhegger3,4, Gláucia Zanetti2,5

J Bras Pneumol.2017;43(1):4-4

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Reversed halo sign

Sinal do halo invertido

Edson Marchiori1,2, Gláucia Zanetti2,3, Bruno Hochhegger4,5

J Bras Pneumol.2015;41(6):564-564

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Reversed halo sign in invasive fungal infections

Sinal do halo invertido em infecções fúngicas invasivas

Edson Marchiori1, Bruno Hochhegger1, Gláucia Zanetti1

J Bras Pneumol.2016;42(3):232-232

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Nodular reversed halo sign

Sinal do halo invertido nodular

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2019;45(2):e20180335-e20180335

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The halo sign: HRCT findings in 85 patients

Sinal do halo: achados de TCAR em 85 pacientes

Giordano Rafael Tronco Alves1, Edson Marchiori1, Klaus Irion2, Carlos Schuler Nin3, Guilherme Watte3, Alessandro Comarú Pasqualotto3, Luiz Carlos Severo3, Bruno Hochhegger1,3

J Bras Pneumol.2016;42(6):435-439

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Objective: The halo sign consists of an area of ground-glass opacity surrounding pulmonary lesions on chest CT scans. We compared immunocompetent and immunosuppressed patients in terms of halo sign features and sought to identify those of greatest diagnostic value. Methods: This was a retrospective study of CT scans performed at any of seven centers between January of 2011 and May of 2015. Patients were classified according to their immune status. Two thoracic radiologists reviewed the scans in order to determine the number of lesions, as well as their distribution, size, and contour, together with halo thickness and any other associated findings. Results: Of the 85 patients evaluated, 53 were immunocompetent and 32 were immunosuppressed. Of the 53 immunocompetent patients, 34 (64%) were diagnosed with primary neoplasm. Of the 32 immunosuppressed patients, 25 (78%) were diagnosed with aspergillosis. Multiple and randomly distributed lesions were more common in the immunosuppressed patients than in the immunocompetent patients (p < 0.001 for both). Halo thickness was found to be greater in the immunosuppressed patients (p < 0.05). Conclusions: Etiologies of the halo sign differ markedly between immunocompetent and immunosuppressed patients. Although thicker halos are more likely to occur in patients with infectious diseases, the number and distribution of lesions should also be taken into account when evaluating patients presenting with the halo sign.

 


Keywords: Tomography, X-ray computed; Aspergillosis; Lung neoplasms.

 


 

 


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