case_images: PMC9806371_01
case_images: (A-B) Preoperative imaging. (C-D) Postoperative imaging 3 weeks after shunt
  placement and biopsy demonstrates a progressively enlarging mass and severe
  hydrocephalus.
case_images: 10.1177_2329048X221146982-fig1.jpg
case_images: PMC9806371_01_10.1177_2329048X221146982-fig1.jpg
case_images: fig1-2329048X221146982
case_images: MRI demonstrated a large 6 x 7cm lesion, hydrocephalus with subfalcine herniation and mass effect on the brainstem (Figure 1A-B). MRI 2 weeks later showed tumor enlargement, obstructive hydrocephalus and severe brainstem compression (Figure 1C-D).