Figure 2From: Sudden deterioration due to intra-tumoral hemorrhage of ependymoma of the fourth ventricle in a child during a flight: a case report The pathological specimen shows cellular and vascular tumor with diagnostic features of the ependymoma such as the presence of prominent nucleus-free zones around blood vessels (perivascular pseudorosettes) (hematoxylin and eosin, original magnification ×40).Back to article page