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Vol. 31. Issue 9.
Pages 481-484 (November 1995)
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Vol. 31. Issue 9.
Pages 481-484 (November 1995)
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Bronquiolitis obliterante con neumonía organizada. Experiencia en un hospital general
Bronchiolitis obliterans with organizing pneumonia. Experience in a general hospital
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M.A. Barba Romero*,1, A. Puras Tellaeche*
* Servicio de Medicina Interna. Hospital General de Albacete
M. Arévalo González, X. Aguilar Bargalló, G. González Valladares, M. Vizcaya Sánchez
Sección de Neumología. Hospital General de Albacete
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La bronquiolitis obliterante con neumonía organizada (BONO) es un cuadro histopatológico característico, que se ha descrito asociado a numerosas entidades clínicas. En la década de los ochenta se describe una forma idiopática como entidad clinicopatológica definida, diferenciándose de otros procesos infiltrativos pulmonares.

Se presentan 7 pacientes, diagnosticados de BONO en los últimos 6 años, mostrando sus rasgos clínicos, radiológicos y respuesta al tratamiento esteroide. Nuestros pacientes presentaron un curso clínico subagudo, siendo la tos y la fiebre los hallazgos clínicos principales. Las pruebas de función respiratoria mostraron de manera predominante un patrón restrictivo. La radiología demostró uno o varios infiltrados alveolares, en todos los pacientes, siendo migratorios en tres. Así mismo, en un paciente se observó un derrame pleural bilateral con eosinofilia marcada en el líquido pleural, y en otro se apreciaron nodulos cavitados en la radiología con estudio histológico sin evidencia de vasculitis.

Todos los pacientes fueron tratados con esteroides, una media de 10 meses, observando sólo un caso que ha precisado dosis baja de mantenimiento. El resto evolucionó a la recuperación completa.

Palabras clave:
Bronquiolitis obliterante con neumonía organizada

Bronchiolitis obliterans with organizing pneumonia (BOOP) is a histopathologic enfity that has been described in association with numerous clinical conditions. In the 1980s an idiopathic form was described as a definite clinicopathologic entity differentiated from other infiltrative pulmonary processes.

We present 7 patients diagnosed of BOOP over the past 6 years and discuss their clinical and radiologic signs as well as their response to steroid treatment. Our patients’ evolution was subacute, cough and fever being the main symptoms. Lung function tests revealed a pattern that was predominantly restrictive. Radiology showed 1 or several alveolar infiltrates in all patients; these were migratory in 3. Bilateral pleural effusion with marked eosinophilia in pleural fluid was observed in 1 patient. In another cavitated nodules were present in chest-X-ray, with no evidence of vasculitis in tissue examination.

All patients were treated with steroids (mean 10 months) and a low maintenance dose was required in only 1. The remaining patients experienced full recovery.

Key words:
Bronchiolitis obliterans with organizing pneumonia
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Bibliografía
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Bronchiolitis obliterans organizing pneumonia: definition and clinical features.
Chest, 102 (1992), pp. 25-65
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Cryptogenic organizing pneumonitis.
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Copyright © 1995. Sociedad Española de Neumología y Cirugía Torácica
Archivos de Bronconeumología
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