Figure 2.

Pre and post-operative MRI images of brainstem angiocentric glioma. a,b) T2 and T1 with gadolinium MRI showing a large brainstem none enhancing lesion with dorsal exophytic component compression the cerebellum, notice the significant compression on medulla. c,d) Postoperative images showing a large residual left intentionally on T2 and T1C+ images. e,f) After 7 years of follow up. Notice the progression of the lesion with further compression on cerebellum. No enhancement noticed or signs of transformation into a higher grade. The tumor is filling the entrapped CSF area on T2 weighted images.