4.2 Article

Free Fibula Flap for the Treatment of Agnathia in a 10-Year-Old With Severe Agnathia-Otocephaly Complex

Journal

JOURNAL OF CRANIOFACIAL SURGERY
Volume 34, Issue 1, Pages -

Publisher

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SCS.0000000000009017

Keywords

agnathia; agnathia-otocephaly complex; craniofacial surgery; first branchial arch defect; free fibula flap; mandibular reconstruction; microsurgery; virtual surgical planning

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This study presents the technical considerations and details of mandibular reconstruction using virtual surgical planning and a vascularized free fibula flap in a 10-year-old boy with agnathia-otocephaly complex, a rare and often fatal condition. Virtual surgical planning was utilized to plan the reconstruction of the mandibular symphysis and bilateral body segments, along with the use of bilateral costochondral grafts for the rami. This is the first application of virtual surgical planning for mandibular reconstruction in a pediatric patient with severe agnathia-otocephaly complex.
Agnathia-otocephaly complex (AOC), a first branchial arch defect, is characterized by mandibular hypoplasia or aplasia, ear abnormalities, microstomia, and macroglossia and is a rare and often fatal diagnosis. Herein, the technical considerations and details of mandibular reconstruction using virtual surgical planning (VSP) and a vascularized free fibula flap for further mandibular reconstruction in a 10-year-old boy are presented. The patient's preoperative examination was consistent with agnathia (absence of mandibular symphysis, bilateral mandibular bodies, condyles, coronoids, rami, and temporomandibular joint), severe microstomia, and a Tessier # 30 cleft (maintained to allow oral access until later in treatment). Virtual surgical planning was utilized to plan a 3-segment fibula for the reconstruction of the mandibular symphysis and bilateral body segments, and bilateral costochondral grafts were planned for the rami. To the authors' knowledge, this represents the first application of virtual surgical planning for mandibular reconstruction with a vascularized free fibula flap in a pediatric patient with severe agnathia-otocephaly complex.

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