Pulmonary hemosiderin-laden macrophages

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Pulmonary hemosiderin-laden macrophages

#00064683

Author: Milagros L. Malaga, M.D.; Luis F. Carrillo, M.D.
Category: Reactive Marrow > Reactive changes > Histiocytes > Hemosiderin
Published Date: 09/18/2023

71-year-old male with history of acute myeloid leukemia presented with acute respiratory failure and hemoptysis. Bronchoalveolar lavage (BAL) revealed hemosiderin-laden macrophages (panel B; black arrow; original magnification x1000; Wright-Giemsa stain). In addition, macrophages with erythrophagocytosis are also seen (panel B; white arrow).

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