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Repair of ventricular wall by pericranial flap: a valuable option?

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Ventricular walls penetration frequently occurs in periventricular gliomas surgery. Even when aimed at maximal tumor resection, it can lead to several complications, including CSF leak, delayed wound healing and, potentially,… Click to show full abstract

Ventricular walls penetration frequently occurs in periventricular gliomas surgery. Even when aimed at maximal tumor resection, it can lead to several complications, including CSF leak, delayed wound healing and, potentially, distant tumor dissemination, with a negative impact on overall survival. Several authors have claimed damaged ventricular walls always need repair, especially when the additional use of intrathecal chemotherapy is scheduled. Fibrin sponge has been consistently used in the past to address small ventricular walls defects but more recently attention has been focused on TachoSilTM, that seems to be a valid alternative to close up to 1.5 cm gaps. After an accurate review of literature, we were unable to find any report describing the use of autologous pericranium to the same aim. We report the case of a 54 years-old patient who presented with symptoms of intracranial hypotension four weeks after his last surgery (performed at another Institution) for a relapsing right frontal grade III astrocytoma,. Pre-operative MRI showed a huge gap in the roof of the right frontal ventricular horn, associated to a large subdural hygroma and a massive subcutaneous CSF collection. The gap was repaired using a layer of autologous pericranium, sutured by pial stitches to the surrounding brain and reinforced by fibrin glue. Full and permanent leak sealing was obtained within the next 2 weeks, but patient immediately and fully recovered from his symptoms. Although limited by the single case experience, we believe that pericranium might be considered as an alternative to artificial materials in cases of large ventricular walls openings, being easily intraoperatively retrievable, granting maximal biocompatibility, not significantly impacting on surgery duration and overall costs.

Keywords: wall pericranial; pericranial flap; ventricular wall; repair ventricular; ventricular walls; repair

Journal Title: British journal of neurosurgery
Year Published: 2020

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