fourth ventricle mass

• choroid plexus papilloma
• hemangioblastoma
• vermian metastasis
• arteriovenous malformation (AVM)
• inflammatory mass/cyst

IN KIDS:

• medulloblastoma
  • uniform enhancement
  • homogeneous
• ependymoma
  • patchy enhancement
  • heterogeneous, calcified

© 2002, C.E. Kahn, Jr.
2002-04-18