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A modified pull-through approach with a pedicled bone flap for oral and oropharyngeal cancer resection: a feasibility study
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A modified pull-through approach with a pedicled bone flap for oral and oropharyngeal cancer resection: a feasibility study
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A modified pull-through approach with a pedicled bone flap for oral and oropharyngeal cancer resection: a feasibility study
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Journal Article
A modified pull-through approach with a pedicled bone flap for oral and oropharyngeal cancer resection: a feasibility study
2024
Overview
PurposeCompromised swallowing, speaking, and local complications are the major disadvantages of established approaches to the posterior tongue and oropharynx. The mandibular split involves an esthetically unpleasant bipartition of the lower lip and is prone to bony non-union or sequestration. The conventional pull-through technique on the other hand lacks the secure reattachment of the lingually released soft tissues.MethodsThe feasibility of a new modified pull-through approach was tested on three anatomical specimens. CAD/CAM cutting guides were used to design a retentive bone flap to properly refixate the genioglossus and geniohyoid muscles after the procedure. The radiographic assessment and treatment planning was performed on 12 cadavers. The entire procedure was tested surgically via dissection in three of those cases. This procedure was then applied in a clinical case.ResultsPrecise repositioning and dynamic compression of bony segments was possible reproducibly and without injury to adjacent structures. In all dissected cases, a median lingual foramen was found and in two cases vessels entering it could be dissected Radiologic anatomical landmarks were sufficient in all 12 cases to perform the clinical planning procedure. Clinically, the osteotomized segment demonstrated good blood supply and plateless repositioning was verified postoperatively via cone beam scan.ConclusionThe method presented is safe and easy to perform. Individual cutting guides improve the safety and accuracy of the procedure, potentially eliminating the need for osteosynthesis. We provide the anatomical and radiologic basis for clinical evaluation of this pedicled bone flap procedure and present the clinical application of this modified pull-through approach.
Publisher
Springer Nature B.V
Subject
