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One-piece bifrontal basal craniotomy with pericranial flap for frontal sinus management: How I Do It
Eiji Ito1,2, Ryotaro Sugita3, Mao Yokota4
1Skull Base Surgical Center, Aichi Medical University Hospital, 1 - 1 Yazakokarimata, Nagakute, Aichi, 480 - 1195, Japan. eito540918@gmail.com.
Background:
Anterior skull base surgery poses challenges including cerebrospinal fluid (CSF) leakage and cosmetic concerns. A novel one-piece bifrontal basal craniotomy using a pericranial flap was developed to improve outcomes.
Method:
The technique included precise burr hole placement, dura-protective craniotomy, and frontal sinus sealing using a pericranial flap. Reconstruction was stabilized using miniplates and screws, leaving the epidural dead space unfilled and lowering infection risks.
Conclusion:
This method reduces CSF leakage, enhances reconstruction durability, and preserves cosmetic and functional outcomes, offering a reliable approach for anterior skull base surgery.
