92 / 1708
Distant spread
•
Must image
entire
neuraxis
•
Must image
before
surgery
•
Spinal imaging < 3 weeks from surgery inaccurate (false
positives) – can lead to delay in definitive surgery
•
Metastatic spread in approx 20% at diagnosis
•
Local CSF dissemination appears more linear
•
Distant spread often more nodular, but also linear
•
5% extra CNS spread