Objective: During the past decades, different methods have been described for anterior skull base reconstruction. Regarding larger skull base defects, few investigators have described the use of bone grafts to foster support and prevent frontal lobe sagging, herniation, or falling. The aim of this study is to describe the use of a rib bone graft, which could be an option in these cases due to its rigidity and dimensions. Methods: We retrospectively collected preoperative, intraoperative, and postoperative data at the last follow-up of 10 patients who underwent multilayer anterior skull base reconstruction, including rib bone graft, for large anterior cranial base defects at 2 tertiary care academic hospitals. Results: Eight patients underwent endoscopic craniectomy for sinonasal malignancies, and the other two underwent transnasal endoscopic surgery for congenital meningoencephalocele. Anterior skull base defects measured on average 3.8 cm ± 0.9 SD antero-posteriorly (range 2.5–5 cm) and 2.3 ± 0.9 SD latero-laterally (range 0.9–4 cm). Multilayer reconstruction was performed in all cases, including a rib bone graft positioned as intracranial extradural layer. No patient experienced thoracic complications during the postoperative period. No side effects related to the bone graft or meningoencephalocele occurrence were reported after a mean follow-up of 8.0 ± 6.3 months. Conclusions: The use of a cortical rib bone graft could be a safe and effective option in skull base reconstruction when managing large defects after cancer removal.
Multilayer Anterior Skull Base Reconstruction with Cortical Rib Bone Graft: Preliminary Experience / Fermi, M.; Serafini, E.; Rosti, A.; Olive, M.; Alicandri-Ciufelli, M.; Sciarretta, V.; Fernandez, I. J.; Presutti, L.. - In: WORLD NEUROSURGERY. - ISSN 1878-8750. - 179:(2023), pp. 110-118. [10.1016/j.wneu.2023.08.019]
Multilayer Anterior Skull Base Reconstruction with Cortical Rib Bone Graft: Preliminary Experience
Fermi M.;Serafini E.;Alicandri-Ciufelli M.;Presutti L.
2023
Abstract
Objective: During the past decades, different methods have been described for anterior skull base reconstruction. Regarding larger skull base defects, few investigators have described the use of bone grafts to foster support and prevent frontal lobe sagging, herniation, or falling. The aim of this study is to describe the use of a rib bone graft, which could be an option in these cases due to its rigidity and dimensions. Methods: We retrospectively collected preoperative, intraoperative, and postoperative data at the last follow-up of 10 patients who underwent multilayer anterior skull base reconstruction, including rib bone graft, for large anterior cranial base defects at 2 tertiary care academic hospitals. Results: Eight patients underwent endoscopic craniectomy for sinonasal malignancies, and the other two underwent transnasal endoscopic surgery for congenital meningoencephalocele. Anterior skull base defects measured on average 3.8 cm ± 0.9 SD antero-posteriorly (range 2.5–5 cm) and 2.3 ± 0.9 SD latero-laterally (range 0.9–4 cm). Multilayer reconstruction was performed in all cases, including a rib bone graft positioned as intracranial extradural layer. No patient experienced thoracic complications during the postoperative period. No side effects related to the bone graft or meningoencephalocele occurrence were reported after a mean follow-up of 8.0 ± 6.3 months. Conclusions: The use of a cortical rib bone graft could be a safe and effective option in skull base reconstruction when managing large defects after cancer removal.Pubblicazioni consigliate
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