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Vol. 43. Issue 1.
Pages 14-18 (January 2001)
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Vol. 43. Issue 1.
Pages 14-18 (January 2001)
Hallazgos en TCAR de la neumonitis por hipersensibilidad: a propósito de 10 casos*
High-resolution computed tomography findings in hypersensitivity pneumonitis: report of 10 cases
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Teresa Díaz1
Corresponding author
tdmarti@santandersupernet.com

Correspondencia: TERESA DÍAZ MARTÍ. C/ Luis Taboada 63. 29017 Málaga.
, Félix Serrano, Maribel Padín, Gador Sanabria, Gerardo Blanco
Servicio de radiodiagnóstico. Complejo hospitalario Carlos Haya. Avenida Carlos Haya s/n. Málaga.
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Resumen
Objetivo:

El objetivo del presente trabajo es valorar los hallazgos de la tomografía computarizada de alta resolución (TCAR) en un gru-po de pacientes diagnosticados de neumonitis por hipersensibilidad.

Material y métodos

Se ha realizado un estudio mediante TCAR en 10 pacientes (seis mujeres y cuatro varones) con edades comprendidas entre 19-56 años (media: 36,5) diagnosticados de neumonitis por hi-persensibilidad en estadios agudo-subagudo. Se ha realizado TCAR de tórax con cortes finos de 1,5 mm en el momento del diagnóstico y controles posteriores en seis pacientes.

Resultados:

El estudio simple de tórax fue normal en tres casos. Los hallazgos más relevantes en la TCAR fueron la presencia de un patrón nodular (n=9) y un patrón en vidrio deslustrado (ocho casos). En cuatro casos se observaron áreas focales de disminución de densi-dad. Se encontraron adenopatías mediastínicas en cuatro pacientes.

Conclusiones:

Los hallazgos en la TCAR característicos de la neu-monitis por hipersensibilidad consisten en la presencia de nódulos cen-trolobulillares y un patrón en vidrio deslustrado.

Palabras clave:
Neumonitis por hipersensibilidad
Alveolitis alérgica extrínseca
TAC
TCAR
Abstract
Objective:

The purpose of the present report was to assess the high-resolution computed tomography (HRCT) findings in a group of patients diagnosed as having hypersensitivity penumonitis.

Material and methods: HRCT was performed in 10 patients (6 women and 4 men) aged 19 to 56 years (mean: 36.5 years) who presented acute-subacute symptoms of hypersensitivity pneumonitis. Thin-section (1.5 mm) HRCT was carried out at the time of diagnosis in all 10 patients, and 6 underwent follow-up HRCT studies.

Results:

Plain chest X-ray was normal in the three cases. The most relevant HRCT findings were the presence of a nodular pattern (n=9) and ground-glass opacity (n=8). Focal areas of decreased density were observed in 4 cases. Mediastinal adenopathy was detected in 4 patients.

Conclusions:

The HRCT findings characteristic of hypersensitivity pneumonitis are centrilobular nodules and ground-glass opacity.

Key words:
Hypersensitivity pneumonitis
Extrinsic allergic alveolitis
Computed tomography
High-resolution computed tomography

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