| Sex | Age | Primary pathology | Cause of CSF leakage | Initial dural closure | Revision dural closure |
1 | Male | 67 | Parasagittal meningioma | Dural suture tears | Primary dural closure | Onlay pericranial graft sutured to underlying dura augmented with sealant |
2 | Female | 40 | Spheno-orbital meningioma | Dural closure defects | Augmented dural closure with on-lay synthetic graft | Onlay pericranial graft sutured to underlying dura augmented with sealant and tethered to the basal bone with sutures |
3 | Female | 45 | Sphenoid ridge meningioma | Dural closure defect + dural sutures tears | Augmented dural closure with on-lay synthetic graft | Onlay pericranial graft sutured to underlying dura augmented with sealant and tethered to the basal bone with sutures |
4 | Male | 37 | Giant pituitary macro-adenoma | Dural sutures tears | Primary dural closure | Onlay pericranial graft sutured to underlying dura augmented with sealant |
5 | Male | 70 | Recurrent Sphenoid meningioma | Dural closure defect | On-lay synthetic graft | Fascial lata graft augmented by fibrin sealant and directly tethered to bone edge |
6 | Male | 42 | Infratentorial meningioma | dural sutures tears | Dural closure with sutured dural graft | Onlay pericranial graft sutured to underlying dura augmented with sealant |
7 | Male | 62 | Vestibular schwannoma | Dural sutures tears | Primary dural closure | Onlay pericranial graft sutured to underlying dura augmented with sealant |
8 | Male | 19 | Craniopharyngioma | Dural suture tears | Primary dural closure | Onlay pericranial graft sutured to underlying dura augmented with sealant |