Ventricular system-unrelated cerebellar ependymoma: A case report

Figure 1 Preoperative and postoperative magnetic resonance imaging of patients. A-C: Preoperative magnetic resonance imaging (MRI) indicated a space-occupying lesion in the right cerebellum; D-F: Postoperative follow-up MRI showed that the lesion had been resected.

Figure 2 Hematoxylin eosin staining of postoperative tumor tissue sections. A-B: Ependymal fissure visible; C-D: The arrangement of cells around the blood vessels is blurred, and the cytoplasm gathers around the blood vessels.

Figure 3 Postoperative immunohistochemical analysis of tumor tissue. GFAP: Glial fibrillary acidic protein; Olig2: Oligodendrocyte transcription factor 2.