PMC5569393_01
(a) Fronto-orbital swelling with purulent discharging fistula. (b and c) Intraoperative debridement and exposition of infected bone graft. (d) Closure with the apposition of dural substitute, Tachosil  and Vivostat
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F1
At the end, a spongy layer of dural substitute with two overlaying patch of fibrin sealant (Tachosil ) and some fibrin glue (Vivostat ) was then used to ensure dural seal and to contribute in protecting the brain parenchyma under the bone defect [Figure 1a-d].