Table 2.

Surgical treatments and the follow-up record for each patient case are summarized

	Intraoperative		Postoperative			Follow-up
Case No.	Origin	VC	Type	Complication	Other therapy	Time	KPS	Hydrocephalus	Relapse
1	Pineal region	Retained and clear	Meningioma, WHO grade I	No	No	6 months	90	Mild	No
2	Pineal region	Retained and clear	Nontypical meningioma, WHO grade II	No	Conventional Radiation	12 months	70	Shunt	No
3	Dura of the origin of straight sinus	Retained and clear	Meningioma, WHO grade I	No	No	18 months	90	Mild	No
4	Dura of the origin of straight sinus	Bridging vein ligation	Meningioma, WHO grade I	No	No	12 months	100	No	No
5	Pineal region	Retained and clear	Meningioma, WHO grade I	No	No	24 months	80	No	No
6	Dura of the origin of the straight sinus	Retained and clear	Meningioma, WHO grade I	Intracranial infection	No	12 months	100	No	No
7	Pineal region	Retained and basal vein absent	Meningioma, WHO grade I	No	No	18 months	100	No	No
8	Dura of the origin of the straight sinus	Retained and clear	Meningioma, WHO grade I	No	No	12 months	100	No	No
9	Pineal region	Retained and clear	Vascular meningioma, WHO grade I	No	No	12 months	100	No	No
10	Pineal region	Retained and clear	Nontypical meningioma, WHO grade II	Postoperative intraventricular hemorrhage and pneumocephalus	Conventional Radiation	24 months	90	Mild	No