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silicoproteinosis

Friday 4 April 2008

Microscopy

- Alveoli spaces are dilated and filled with a deep pink finely granular proteinaceous fluid having similar features of pulmonary edema.
- There may be chronic interstitial pneumonitis present. Birefringent silica particles may be seen in alveoli and interstitial tissue when polarized.

References

- Esteban Palacio J, Champeaux A. Silicoproteinosis masquerading as community-acquired pneumonia. J Am Board Fam Pract. 2000 Sep-Oct;13(5):376-8. PMID: 11001011