case_images: PMC8373510_01
case_images: Bone marrow biopsy, H & E stain, hypercellular marrow, and increased histiocytes, which show hemophagocytosis (arrows).
case_images: CRIPE2021-6567770.001.jpg
case_images: PMC8373510_01_CRIPE2021-6567770.001.jpg
case_images: fig1
case_images: A bone marrow biopsy was performed, which showed increased histiocytes with hemophagocytosis and was consistent with MAS (Figures 1 and 2).
case_images: Bone marrow biopsy, CD68 immunohistochemistry stain, increased histiocytes, and hemophagocytosis.
case_images: CRIPE2021-6567770.002.jpg
case_images: PMC8373510_01_CRIPE2021-6567770.002.jpg
case_images: fig2
case_images: A bone marrow biopsy was performed, which showed increased histiocytes with hemophagocytosis and was consistent with MAS (Figures 1 and 2).