Figure 4. Haematoxylin and eosin histological section of the malignant haemangiopericytoma, showing multiple thin-walled blood vessels surrounded by neoplastic endothelial cells.
Figure 4. Haematoxylin and eosin histological section of the malignant haemangiopericytoma, showing multiple thin-walled blood vessels surrounded by neoplastic endothelial cells.