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. 2014 Dec 5;9(12):e114246. doi: 10.1371/journal.pone.0114246

Figure 1. The morphology changes of glioma microvasculature along with the increase of the WHO grade.

Figure 1

(A) thin-wall or sinusoid vessels with different sizes of lumen in grade II glioma, (B-C) irregular buds, cell cords and thick-wall vessels in some areas of grade III glioma, (D-H) strip cord, plexus, glomeruloid, ophidian microvessels in grade IV glioma and (I) more proliferation of heterotypical vessels found around necrotic and hemorrhagic areas in grade IV glioma. (HE A-G Bar = 100 um, H and I Bar = 200 um).