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. 2021 Sep 10;32(1):e13020. doi: 10.1111/bpa.13020

FIGURE 2.

FIGURE 2

(A) This spinal ependymoma–ZFTA‐YAP1 fusion is composed of sheets of monotonous small round to oval cells with perivascular pseudorosettes and microvascular proliferation. (B) GFAP is diffusely positive in the tumor cells except for endothelial cells of the glomeruloid microvascular proliferation. (C) L1CAM is robust positive in the cytoplasm and membrane of tumor cells. (D) H3K27me3 shows retained expression. (E) Ki‐67 labeling index is high (32.4%) (A: H&E, B: GFAP, C: L1CAM, D: H3K27me3, E: Ki‐67, lower bar sizes: A and C: 100 μm, B, D, and E: 50 μm)