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Vol. 6. Issue 6.
Pages 595-605 (November - December 2000)
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Vol. 6. Issue 6.
Pages 595-605 (November - December 2000)
ARTIGO ORIGINAL/ORIGINAL ARTICLE
Open Access
Linfangite carcinomatosa pulmonar
Pulmonary lymphangitis carcinomatosa
Visits
11488
Anderson Ribeiro de Sales1, Edson Marchiori2, Domênico Caponi3, Jorge Kavakama4
1 Mestre em Radiologia pela Universidade Federal do Rio de Janeiro (UFRJ)
2 Professor Titular e Chefe do Departamento de Radiologia da Universidade Federal Fluminense, Coordenador Adjunto do Curso de Pós-Graduação em Radiologia da UFRJ
3 Professor Assistente de Pneumologia da Universidade Estadual do Rio de Janeiro (UERJ).
4 Médico Radiologista do Instituto de Radiologia (InRad) do Hospital das Clínicas da Universidade de São Paulo
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RESUMO

Neste trabalho são analisados e discutidos os aspectos observados nas tomografias computadorizadas de alta resolução de 16 pacientes com linfangite carcinomatosa, com os objectivos de determinar os achados mais frequentes, seus padróes de apresentação, e sua distribuição em relação ao sexo e a idade. São realizadas ainda uma ampla revisão da literatura, cujos dados são comparados com os do presente trabalho, e a correlação dos aspectos tomográficos com os achados anatomopatológicos obtidos de necrópslas. Os aspectos mais frequentemente observados foram o espessamento dos septos interlobulares e das bainhas broncovasculares, liso ou nodular, correspondendo ao acúmulo de células neoplãsicas dentro dos vasos linfáticos. Outros achados comuns foram nódulos distribuídos ao Iongo dos compartimentos linfáticos (superfície pleural, bainbas broncovasculares, septos interfobulares e região centrolobular), por crescimento tumoral nestas localizações, a ausência de distorção do parênquima pulmonar, presença de figuras poligonais e lesóes acometendo simulaneamente os interstícios axial e periférico. O estudo tomográfico de alta resolução de pacientes com suspeita clinica de linfangite carcinomatosa é de extrema importância, mesmo sabendo-se que os dados obtidos não são patognomónicos desta doença, já que podem ser encontrados em outras enfermidades que acometem o interstício pulmonar dlfusamente, como a sarcoidose, a silicose e o linfoma.

REV PORT PNEUMOL 2000; VI (6): 595-605

Palavras-chave:
Linfangite carcinomatosa
TCAR
Neoplasias pulmonares
ABSTRACT

The aspects observed In high resolution computed tomography (HRCT) of 16 patients with lymphangitis carcinomatosa are analyzed and discussed intending to determinate the most frequently findings, presentation patterns, age and sex distribution. An widening literature revision whose data are compared with this present work and the correlation with tomographic aspects are accomplished with pathological findings of necropsies. The most frequently observed aspects were smooth or nodular interlobular septa and broncbovascular bundle thickening that correspond to accumulation of neoplastic cells within lymphatic vessels. Other common finding were nodules with Lymphatic compartments distribution (pleural surface, bronchovascular bundles, interlobular septa and centrolobular region) determined by tumor growth in these locations, absence of pulmonary parenchyma distortion, polygonal figures and findings in both axial and peripheral interstice simultaneously. lt Is extremely important the HRCI’ study of all patients with clinical suspicion of Lymphangitis carcinomatosa even that results doesn’t pathognomy for this disease once they could be found in other diffuse pulmonary interstitial illness like sarcoidosis, silicosis and lymphoma.

REV PORT PNEUMOL 2000; V1 (6): 595-605

Key-words:
Lymphangitis carcinomatosa
HRCT
Pulmonary cancer
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Copyright © 2000. Sociedade Portuguesa de Pneumologia/SPP
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