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. Author manuscript; available in PMC: 2024 Jan 1.
Published in final edited form as: J Clin Immunol. 2022 Aug 25;43(1):101–108. doi: 10.1007/s10875-022-01353-y

Figure 4: Photomicrograph of cytospin from BAL prior to MAS-825 therapy.

Figure 4:

(A) Acellular protein globule consistent with PAP. (PAS stain, 40X) (B) Numerous foamy macrophages present within the fluid. (PAS stain 40X) (C) High power view of acellular protein globule. (H&E stain 100X) (D) Lipid laden foamy macrophages. (Oil Red O stain 100X)