<prompt> All of the following are true about this brain tumor except:Most common intracranial, extra-axial dural-based neoplasmAssociated with spasticity lower limb weakness, sensory deficit and sphincter dysfunction of bladderCalcification is seen in 60-65 casesSimpson grading system is used for resection  <response>: Meningioma showing dural tail Mostly occur along the superior sagittal sinus Most common intracranial, extra-axial dural-based neoplasm Associated with spasticity lower limb weakness, sensory deficit and sphincter dysfunction of bladder Calcification is seen in 20-25 cases Simpson grading system is used for meningioma resection 