Facial artery musculomucosal flap for reconstruction of skull base defects: A cadaveric study
- 10 May 2013
- journal article
- facial plastics-and-reconstructive-surgery
- Published by Wiley in The Laryngoscope
- Vol. 123 (8), 1854-1861
- https://doi.org/10.1002/lary.23939
Abstract
Objectives/Hypothesis Failure in skull base defects reconstruction following tumor resection can have serious consequences such as ascending meningitis and pneumocephaly. The nasoseptal flap showed a very low incidence of cerebrospinal fluid leak but is not always available. The superiorly pedicled facial artery musculomucosal (FAMM) flap has been successfully used for reconstruction of head and neck defects. Our objective is to show that the FAMM flap can be used as a new alternative in skull base reconstruction. Study Design Cadaveric study. Feasibility. Methods Thirteen specimens underwent bilateral FAMM flap dissection. Two new modifications of the traditional FAMM flap have been developed. Feasibility in FAMM flap transfer to the skull base was investigated through endoscopic skull base dissection and maxillectomy in four specimens. Measurements were recorded for each harvested flap. Results The mean surface area of the modified FAMM flap efficient for reconstruction was 15.90 cm2. The flaps easily covered the simulated defects of the frontal sinus and the fovea ethmoidalis areas. Modifications of the traditional FAMM flap were necessary for a tension-free coverage of the planum sphenoidale and sella turcica. Conclusion The FAMM flap holds high potential as a new alternative vascular flap in skull base reconstruction. However, it has not been used in patients yet and should be considered only when other options are not available. New modifications developed in this article can elongate the traditional FAMM flap, potentially contributing to a tighter seal of the skull base defect than FAMM flap alone. Level of Evidence N/A. Laryngoscope, 123:1854–1861, 2013Keywords
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