Case Report
Diffuse Pulmonary Calcification in a Patient With Renal Insufficiency

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We report the case of a 37-year-old man with chronic renal insufficiency, on hemodialysis, with no respiratory symptoms but whose chest radiograph showed parenchymal consolidation in the middle and upper lung fields. High resolution computed tomography showed a high-attenuating diffuse alveolar pattern that indicated calcium deposits. Bronchoscopy revealed metastatic calcification on the interalveolar septa and bronchiolar and arteriolar.

The present report, based on radiologic and bronchoscopic findings, describes the pathogenesis and anatomical distribution of the patient's diffuse pulmonary calcification.

Se describe el caso de un varón de 37 años de edad con insuficiencia renal crónica en hemodiálisis y asintomático desde el punto de vista respiratorio, que presentó una radiografía de tórax con consolidaciones parenquimatosas en campos pulmonares medios y superiores. Los hallazgos de la tomografía computarizada de alta resolución mostraron un patrón alveolar difuso de alta atenuación, indicativo de depósito de calcio. La broncoscopia demostró calcificaciones metastásicas en septos alveolares y paredes de bronquiolos y arteriolas.

Este artículo describe la patogenia y distribución anatómica de las calcificaciones pulmonares difusas basándose en los hallazgos radiológicos y broncoscópicos.

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