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Canadian Respiratory Journal
Volume 2, Issue 3, Pages 183-186
Case Report

Pulmonary Alveolar Proteinosis in an AIDS Patient without Concurrent Pulmonary Infection

Allen T Liu, Lil J Miedzinski, Eric Vallieres, David C Rayner, and Dale C Lien

Departments of Medicine, Pathology and Thoracic Surgery, University of Alberta, Edmonton, Alberta, Canada

Copyright © 1995 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Patients with acquired immunodeficiency syndrome (AIDS) are potentially at increased risk for developing secondary pulmonary alveolar proteinosis because of underlying immunosuppression and frequent opportunistic lung infections. This condition. however, has been diagnosed uncommonly in these patients and, with the exception of one previously reported case. only in the presence of concurrent pulmonary infection. The case of a 35-year-old male with AIDS who was found on open lung biopsy to have pulmonary alveolar proteinosis without evidence of associated lung infection is presented.