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Vol. 51. Issue 7.
Pages 322-327 (July 2015)
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Vol. 51. Issue 7.
Pages 322-327 (July 2015)
Original
Diagnóstico por la imagen de la antracofibrosis bronquial aislada: un análisis de tomografía computarizada de pacientes con confirmación broncoscópica e histológica
Imaging Findings of Isolated Bronchial Anthracofibrosis: A Computed Tomography Analysis of Patients With Bronchoscopic and Histologic Confirmation
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Shahram Kahkoueea, Ramin Pourghorbana,b,
Corresponding author
ramin_p2005@yahoo.com

Autor para correspondencia.
, Mahdi Bitarafana, Katayoun Najafizadehc, Seyed Shahabeddin Mohammad Makkic
a Department of Radiology, National Research Institute of Tuberculosis and Lung Diseases, Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Teherán, Irán
b Department of Radiology, Shohada-e-Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Teherán, Irán
c Department of Pulmonary Medicine, National Research Institute of Tuberculosis and Lung Diseases, Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Teherán, Irán
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Tabla 1. Resultados de la TC en 58 pacientes con antracofibrosis bronquial aislada
Resumen
Antecedentes

Evaluar los resultados de la tomografía computarizada (TC) de tórax en pacientes con antracofibrosis bronquial aislada demostrada broncoscópica y anatomopatológicamente.

Metodología

Se incluyó en el estudio a un total de 58 pacientes con antracofibrosis bronquial aislada (29 mujeres; media de edad, 70 años). El diagnóstico de antracofibrosis bronquial se estableció en función de las observaciones broncoscópicas y anatomopatológicas en todos los pacientes. Los diversos aspectos observados en la TC torácica fueron revisados retrospectivamente por 2 radiólogos torácicos, que tomaron las decisiones por consenso.

Resultados

Resaltamos el engrosamiento del tejido blando peribronquial central (n=37, 63,8%) como un hallazgo importante en las exploraciones de imagen, que causa estenosis (n=37, 63,8%) u obstrucción bronquial (n=11, 19%). Se observaron múltiples estenosis bronquiales con afectación simultánea de 2, 3 y 5 bronquios en 12 (21%), 9 (15%) y 2 (3,4%) pacientes, respectivamente. Se detectaron atelectasias segmentarias y colapsos lobulares y multilobulares. Estas observaciones se realizaron sobre todo en el pulmón derecho, con un predominio del lóbulo medio derecho. Se observaron también patrones de atenuación en mosaico, nódulos parenquimatosos diseminados, patrones nodulares y ganglios linfáticos calcificados o no calcificados.

Conclusiones

En la TC de tórax, la antracofibrosis bronquial aislada se observa en forma de engrosamiento de tejido blando peribronquial, estenosis u obstrucción bronquiales, atelectasia segmentaria o colapso lobular o multilobular. Estas observaciones fueron más frecuentes en el lado derecho, con múltiples bronquios afectados de manera simultánea en algunos pacientes.

Palabras clave:
Antracosis
Atelectasia pulmonar
Bronquios
Ganglios linfáticos
Tomografía computarizada
Abstract
Background

To evaluate the chest computed tomography (CT) findings of patients with isolated bronchial anthracofibrosis confirmed by bronchoscopy and histopathology.

Methodology

Fifty-eight patients with isolated bronchial anthracofibrosis (29 females; mean age, 70 years) were enrolled in this study. The diagnosis of bronchial anthracofibrosis was made based on both bronchoscopy and pathology findings in all patients. The various chest CT images were retrospectively reviewed by two chest radiologists who reached decisions in consensus.

Results

Central peribronchial soft tissue thickening (n=37, 63.8%) causing bronchial narrowing (n=37, 63.8%) or obstruction (n=11, 19%) was identified as an important finding on imaging. Multiple bronchial stenoses with concurrent involvement of 2, 3, and 5 bronchi were seen in 12 (21%), 9 (15%), and 2 (3.4%) patients, respectively. Segmental atelectasis and lobar or multilobar collapse were detected. These findings mostly occurred in the right lung, predominantly in the right middle lobe. Mosaic attenuation patterns, scattered parenchymal nodules, nodular patterns, and calcified or non-calcified lymph nodes were also observed.

Conclusions

On chest CT, isolated bronchial anthracofibrosis appeared as peribronchial soft tissue thickening, bronchial narrowing or obstruction, segmental atelectasis, and lobar or multilobar collapse. The findings were more common in the right side, with simultaneous involvement of multiple bronchi in some patients.

Keywords:
Anthracosis
Pulmonary atelectasis
Bronchi
Lymph nodes
Computed tomography

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