Microscopic brain invasion in meningiomas previously classified as WHO grade I is not associated with patient outcome.
Annamaria BiczokChristine JungkRupert EgenspergerAndreas von DeimlingBogdana SuchorskaJoerg C TonnChristel Herold-MendeChristian SchichorPublished in: Journal of neuro-oncology (2019)
In this bi-institutional series, brain invasion was frequent among meningiomas WHO grade I when brain/meningioma interface was available for histology (16.5%). However, brain invasion did not impact early recurrence.