Despite this, there are numerous series that have considered the application of modern skull base techniques, fluorescent markers, transoperative imaging, and neuronavigational systems that have reported high rates of complete removal of skull base meningiomas and low morbidity rates.[ 2 3 5 6 7 8 10 11 12 ] The correct application of the Simpson concept to skull base meningiomas is relevant.
Source: wiktionary