The Treatment Strategy for Skull Base Reconstruction for Anterior Cranial Fossa Intra- and Extracranial Tumors.

The Journal of Craniofacial Surgery
Jianqing HeQingyun Zhang

Abstract

Anterior cranial fossa intra- and extracranial tumors arise from the anterior cranial fossa and invade the orbit and nose. Anterior cranial fossa tumor resection and skull base reconstruction are challenging for neurosurgeons due to the complex anatomy, leakage of cerebrospinal fluid, and critical neurovasculature involvement. The authors report a case series of cranio-orbital communicating tumors and cranionasal-orbital communicating tumors. All patients underwent a modified Derome approach or transfrontal basal approach, and all tumor resections were satisfactory. Skull base reconstruction for small defects (<1.5 cm) can be performed with autogenous fascia, muscle, and fat. Large defects (≥1.5 cm) require autogenous fascia, muscle, and fat combined with osseous reconstruction (autogenous bone, titanium mesh, and polyetheretherketone). The techniques and treatments were successful, and only 1 patient experienced mild cerebrospinal fluid leak but no intracranial infection, pneumocrania or intracranial hemorrhage. Additionally, long-term follow-up demonstrated that the outcomes remain favorable. According to a literature review, this technique might be an alternative strategy for treating anterior cranial fossa intra- and extrac...Continue Reading

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