Illustration of tumor cases representing images of low and high-grade astrocytomas. The images show hematoxylin and eosin (H&E) staining, as well as negative and positive expression of VRK1 and VRK2 proteins. Images were taken with a magnification of × 400.
Rodríguez-Hernández et al. BMC Clinical Pathology 2013 13:23 doi:10.1186/1472-6890-13-23