Fig. 4

 A-C Type II paravebous sinus meningioma in the anterior third of the superior sagittal sinus. D compression thinning of the anterior third of the superior sagittal; E-L complete resection of the tumor and removal of the tumor from the wall of the sagittal sinus, followed by suturing of the sinus wall; M-O post-operative MR suggested complete resection of the tumor; P post-operative MRV suggesting patency of the venous sinus