Fig. 2From: Analysis of the efficacy of microdissection of paravebous sinus meningiomas invading large venous sinusesSchematic diagram of sinus repair for type IV meningioma: AĀ The venous sinus cavity is opened to expose the tumor tissue in the sinus. BĀ Control of venous bleeding using gelatin spongeā+ātape cotton. CĀ Venous sinus reconstruction using an artificial patchBack to article page