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 : 6 results


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

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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.

 


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

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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.

 


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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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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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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