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Clinics (Sao Paulo). 2008 Feb;63(1):97-102.

Galeal flap based on superficial temporal vessels for oral cavity and pharynx reconstruction--an anatomical study.

Author information

1
Head and Neck Surgery Service, Hospital de Ensino, Faculdade de Medicina do ABC, São Bernardo do Campo, Brazil. pintofr@uol.com.br

Abstract

PURPOSE:

Despite the advances in microvascular free tissue transfer for intraoral reconstruction, this surgery is not recommended for all patients. In specific cases, the pedicled temporoparietal galeal flap may be an option for reconstructive procedures in the head and neck regions. The objective of this paper is to present the anatomical aspects of a galeal flap based on the superficial temporal vessels and to test its potential for reconstructing diverse sites of the oral cavity and pharynx.

METHODS:

We performed 40 dissections on 34 fresh adult cadavers. The flap vascular anatomy was studied by injecting latex into the superficial temporal vessels. A standardized square-shape flap measuring 10 x 10 cm(2), pedicled on the superficial temporal vessels, was raised. Oral cavity and oropharynx reconstruction simulations were performed after flap transposition into the mouth by passing it under the zygomatic arch. Hypopharyngeal reconstruction was tested by transposing the flap to the neck under the facial nerve.

RESULTS:

After latex injection, a rich vascular network over the temporoparietal galea was observed directly from the superficial temporal artery, and a well-vascularized flap based on this vessel was raised. In the reconstruction simulations, the flap was shown to be suitable for the coverage of hypothetical defects in most oral cavity and pharyngeal sites, mainly the retromolar trigone, tonsil area, and buccal mucosa.

CONCLUSIONS:

A galeal flap based on the superficial temporal vessels presents favorable anatomical characteristics for oral cavity and pharyngeal reconstruction.

PMID:
18297214
PMCID:
PMC2664184
[Indexed for MEDLINE]
Free PMC Article
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