A modified pectoralis major myocutaneous flap technique with improved vascular supply and an extended rotation arc for oral defects: A case report

Kanno,Takahiro; Nariai,Yoshiki; Tatsumi,Hiroto; Karino,Masaaki; Yoshino,Aya; Sekine,Joji

doi:10.3892/ol.2015.3696

November-2015 Volume 10 Issue 5

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November-2015 Volume 10 Issue 5

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Case Report Open Access

A modified pectoralis major myocutaneous flap technique with improved vascular supply and an extended rotation arc for oral defects: A case report

Authors:
- Takahiro Kanno
- Yoshiki Nariai
- Hiroto Tatsumi
- Masaaki Karino
- Aya Yoshino
- Joji Sekine
View Affiliations / Copyright

Affiliations: Department of Oral and Maxillofacial Surgery, Shimane University Faculty of Medicine, Izumo, Shimane 693‑8501, Japan

Copyright: © Kanno et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
Pages: 2739-2742
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Published online on: September 14, 2015

https://doi.org/10.3892/ol.2015.3696
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Abstract

The pedicled pectoralis major myocutaneous (PMMC) flap is versatile, and is widely used for the treatment of surgical defects following oral cancer resection. Although free‑tissue transfer of a vascularized free flap is often preferred, the clinical benefits of the PMMC flap should not be overlooked. The conventional technique of harvesting a PMMC flap involves a single vascular supply from the pectoral branch of the thoracoacromial artery. However, this approach compromises the distal skin island of the flap, and requires an indirect blood supply via communicating vessels, which increases the potential risk of partial distal flap necrosis. When harvesting a PMMC flap for oral and maxillofacial reconstruction, preservation of the lateral thoracic artery and use of the subclavian route are alternatives that ensure sufficient blood supply and an increased rotation arc. Such an approach enables the harvesting of a PMMC flap that can reach the entire oral cavity, including the infraorbital region, palate, middle pterygopalatine fossa and nasopharynx, with no risk of vascular insufficiency to the distal skin island. In conclusion, the technique described in the present study was able to improve the blood supply of the distal PMMC flap and increase its rotation arc.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

A modified pectoralis major myocutaneous flap technique with improved vascular supply and an extended rotation arc for oral defects: A case report

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