A preoperative evaluation of stone-like meningiomas in the posterior fossa: True osseous or psammomatous in consistency?

K. Ramina, M. Tatagiba & F. Roser
Objective: Meningiomas tend to appear with calcifications or even as complete osseous masses on imaging. However the intraoperative appearance does not always correlate as some of these meningiomas are psammomatous in nature and easy to mobilize. We evaluate preoperative imaging in this sub entity of[for full text, please go to the a.m. URL]