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  • Title: Closure of recurrent frontal skull base defects with vascularized flaps -- a technical case report.
    Author: Krishnan KG, Winkler PA, Müller A, Grevers G, Steiger HJ.
    Journal: Acta Neurochir (Wien); 2000; 142(12):1353-8. PubMed ID: 11214628.
    Abstract:
    Techniques for vascularized reconstruction of the anterior cranial fossa floor defects causing recurrent cerebrospinal fluid fistula are discussed in this report. The closure employs the use of local random- or axial-pattern vascularized flaps in simple cases. In complicated cases (for instance, status after repeated exploration) the tissue of the cranial base is severely compromised and shows low potential for healing. Non-vascularized grafts only add avital scars to the already present ones leading to recurrent fistulas. Free vascularized flaps show more mechanical strength and less scar contraction, resistance to infections and survive better in a compromised surrounding, thus leading to long term sealing in such cases. The technical issues of vascularized closure of defects of the frontal skull base are discussed in this report.
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