How I do it – exoscopic retractorless anterior skull base reconstruction using a pedicled pericranial flap for post-traumatic CSF leak
摘要
Background
Traumatic anterior cranial fossa fractures complicated by cerebrospinal fluid (CSF) fistulas carry the risk of ascending meningitis.
MethodWe describe our standardised technique for anterior cranial fossa repair via a bifrontal craniotomy, including preparation of a pericranial flap, closure of the frontal sinus, bilateral olfactory nerve dissection, and intradural pericranial reconstruction.
ConclusionA systematic, anatomically informed approach enables durable watertight repair with acceptable morbidity. If surgery is properly timed after cerebral swelling has resolved, and CSF is drained, retractorless surgery prevents injury to the inferior face of the frontal lobes.