FACTS
- GTR is #1 association with survival
- peak age 10-15 yrs, M = F
- account for 60% of intramedullary spinal tumors (usually at filum)
HPI
Focused Exam
IMAGING
- typically infratentorial
- MRI: lobulated, circumscribed, cystic, moderate enhancement, Ca2+ (50%)
A/P
Pathology
- Gross path: tan-red
- IHC: GFAP, PTAH