Figure 4From: Overexpression of carbonic anhydrase and HIF-1α in Wilms tumours Perinecrotic staining of CA IX (brown) away from CD31-stained vessels in red (a). Membranous CA IX staining (brown) of tubules adjacent to blood vessels highlighted by CD31 staining (red) (b). N = necrosis; B = blastema.Back to article page