Brazilian Journal of Pulmonology

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

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Chest X-ray and chest CT findings in patients diagnosed with pulmonary tuberculosis following solid organ transplantation: a systematic review

Achados de radiografia e de TC de tórax em pacientes transplantados de órgãos sólidos e diagnosticados com tuberculose pulmonar: uma revisão sistemática

Irai Luis Giacomelli1,a, Roberto Schuhmacher Neto1,b, Edson Marchiori2,c, Marisa Pereira1, Bruno Hochhegger1,d

J Bras Pneumol.2018;44(2):161-166

Abstract PDF PT PDF EN Portuguese Text

The objective of this systematic review was to select articles including chest X-ray or chest CT findings in patients who developed pulmonary tuberculosis following solid organ transplantation (lung, kidney, or liver). The following search terms were used: "tuberculosis"; "transplants"; "transplantation"; "mycobacterium"; and "lung". The databases used in this review were PubMed and the Brazilian Biblioteca Virtual em Saúde (Virtual Health Library). We selected articles in English, Portuguese, or Spanish, regardless of the year of publication, that met the selection criteria in their title, abstract, or body of text. Articles with no data on chest CT or chest X-ray findings were excluded, as were those not related to solid organ transplantation or pulmonary tuberculosis. We selected 29 articles involving a collective total of 219 patients. The largest samples were in studies conducted in Brazil and South Korea (78 and 35 patients, respectively). The imaging findings were subdivided into five common patterns. The imaging findings varied depending on the transplanted organ in these patients. In liver and lung transplant recipients, the most common pattern was the classic one for pulmonary tuberculosis (cavitation and "tree-in-bud" nodules), which is similar to the findings for pulmonary tuberculosis in the general population. The proportion of cases showing a miliary pattern and lymph node enlargement, which is most similar to the pattern seen in patients coinfected with tuberculosis and HIV, was highest among the kidney transplant recipients. Further studies evaluating clinical data, such as immunosuppression regimens, are needed in order to improve understanding of the distribution of these imaging patterns in this population.

 


Keywords: Tomography, X-ray computed; Radiography; Tuberculosis, pulmonary; Lung/transplantation; Kidney/transplantation; Liver/transplantation.

 


Lung cancer and parenchymal lung disease in a patient with neurofibromatosis type

Câncer de pulmão e doença pulmonar parenquimatosa em um paciente com neurofibromatose tipo 1

Alessandro Severo Alves de Melo1,a, Sérgio Ferreira Alves Jr2,b, Paulo de Moraes Antunes1,c, Gláucia Zanetti2,d, Edson Marchiori2,e

J Bras Pneumol.2019;45(3):e20180285-e20180285

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Diffuse cystic lung diseases: differential diagnosis

Doenças pulmonares císticas difusas: diagnóstico diferencial

Bruno Guedes Baldi1, Carlos Roberto Ribeiro Carvalho1, Olívia Meira Dias1, Edson Marchiori2,3, Bruno Hochhegger4,5,6

J Bras Pneumol.2017;43(2):140-149

Abstract PDF PT PDF EN Portuguese Text

Diffuse cystic lung diseases are characterized by cysts in more than one lung lobe, the cysts originating from various mechanisms, including the expansion of the distal airspaces due to airway obstruction, necrosis of the airway walls, and parenchymal destruction. The progression of these diseases is variable. One essential tool in the evaluation of these diseases is HRCT, because it improves the characterization of pulmonary cysts (including their distribution, size, and length) and the evaluation of the regularity of the cyst wall, as well as the identification of associated pulmonary and extrapulmonary lesions. When combined with clinical and laboratory findings, HRCT is often sufficient for the etiological definition of diffuse lung cysts, avoiding the need for lung biopsy. The differential diagnoses of diffuse cystic lung diseases are myriad, including neoplastic, inflammatory, and infectious etiologies. Pulmonary Langerhans cell histiocytosis, lymphangioleiomyomatosis, lymphocytic interstitial pneumonia, and follicular bronchiolitis are the most common diseases that produce this CT pattern. However, new diseases have been included as potential determinants of this pattern.

 


Keywords: Cysts; Diagnosis, differential; Lung diseases, interstitial; Tomography, X-ray computed.

 


Incidence and morphological characteristics of the reversed halo sign in patients with acute pulmonary embolism and pulmonary infarction undergoing computed tomography angiography of the pulmonary arteries

Incidência e características morfológicas do sinal do halo invertido em pacientes com tromboembolismo pulmonar agudo e infarto pulmonar submetidos a angiotomografia de artérias pulmonares

Alexandre Dias Mançano1,a, Rosana Souza Rodrigues2,3,b, Miriam Menna Barreto2,c, Gláucia Zanetti2,d, Thiago Cândido de Moraes1,e, Edson Marchiori2,f

J Bras Pneumol.2019;45(1):e20170438-e20170438

Abstract PDF PT PDF EN Portuguese Text

Objective: To determine the incidence of the reversed halo sign (RHS) in patients with pulmonary infarction (PI) due to acute pulmonary embolism (PE), detected by computed tomography angiography (CTA) of the pulmonary arteries, and to describe the main morphological features of the RHS. Methods: We evaluated 993 CTA scans, stratified by the risk of PE, performed between January of 2010 and December of 2014. Although PE was detected in 164 scans (16.5%), three of those scans were excluded because of respiratory motion artifacts. Of the remaining 161 scans, 75 (46.6%) showed lesions consistent with PI, totaling 86 lesions. Among those lesions, the RHS was seen in 33 (38.4%, in 29 patients). Results: Among the 29 patients with scans showing lesions characteristic of PI with the RHS, 25 (86.2%) had a single lesion and 4 (13.8%) had two, totaling 33 lesions. In all cases, the RHS was in a subpleural location. To standardize the analysis, all images were interpreted in the axial plane. Among those 33 lesions, the RHS was in the right lower lobe in 17 (51.5%), in the left lower lobe in 10 (30.3%), in the lingula in 5 (15.2%), and in the right upper lobe in 1 (3.0%). Among those same 33 lesions, areas of low attenuation were seen in 29 (87.9%). The RHS was oval in 24 (72.7%) of the cases and round in 9 (27.3%). Pleural effusion was seen in 21 (72.4%) of the 29 patients with PI and the RHS. Conclusions: A diagnosis of PE should be considered when there are findings such as those described here, even in patients with nonspecific clinical symptoms.

 


Keywords: Pulmonary embolism; Pulmonary infarction; Computed tomography angiography.

 


Liquid silicone injection in the chest wall simulating cysticercosis

Injeção de silicone líquido na parede torácica simulando cisticercose

Luiz Felipe Nobre1, Gláucia Zanetti2, Edson Marchiori2

J Bras Pneumol.2017;43(5):399-399

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A mobile calcified nodule in the pleural cavity: thoracolithiasis

Nódulo calcificado móvel na cavidade pleural: toracolitíase

Dante Luiz Escuissato1,a, Gláucia Zanetti2,b, Edson Marchiori2,c

J Bras Pneumol.2019;45(4):e20190113-e20190113

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Multislice CT in the diagnosis of bronchopleural fistula

TC multidetectores no diagnóstico de fístula broncopleural

Bruno Hochhegger1, Gláucia Zanetti2, Edson Marchiori2

J Bras Pneumol.2017;43(4):319-319

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HRCT in smoking-related interstitial lung diseases: a kaleidoscopic overlap of patterns

TCAR em doenças pulmonares intersticiais relacionadas ao tabagismo: uma superposição caleidoscópica de padrões

Gaetano Rea1, Tullio Valente1, Edson Marchiori2,3

J Bras Pneumol.2016;42(2):157-157

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An uncommon chest mass: oleothorax

Uma massa torácica incomum: oleotórax

Bruno Hochhegger1, Gláucia Zanetti2, Edson Marchiori2

J Bras Pneumol.2016;42(5):391-391

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