Hemosiderosis other diagnostic studies
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Other diagnostic studies
- Erythrocytes and hemosiderin-laden macrophages may be seen in sputum testing with hematoxylin-eosin and Prussian blue stains, indicating intra-alveolar bleeding. Stains and cultures for mycobacteria, bacteria, and fungus are done to rule out the infective cause.
- Alveolar macrophages filled with hemosiderin and intact erythrocytes and occasionally neutrophils in Bronchoalveolar lavage (BAL) has a higher diagnostic yield than sputum testing.
- Pulmonary function testing generally shows a restrictive pattern of varying severity. The carbon monoxide diffusing capacity (DLCO) can be elevated during the acute phase.