Lipomatous ependymoma with ZFTA: RELA fusion-positive: A case report

Figure 2 Histopathological findings. A: The tissue boundary in the cystic wall-like structure was clear [hematoxylin and eosin (HE) × 40]; B: Calcifications were seen on the cyst wall (HE × 100); C: Large vacuoles were seen in the cytoplasm of tumor cells on the cyst wall (HE × 400); D: Characteristic perivascular pseudorosettes (HE × 200); E: Vascular endothelial cell proliferation was seen, resembling a glomerular structure (HE × 200); F: Vacuoles in the cytoplasm pushed the crescentic nucleus, similar to signet ring cells (HE × 1000).