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KMID : 0903220110120010037
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Journal of the Korean Cleft Palate-Craniofacial Association
2011 Volume.12 No. 1 p.37 ~ p.42
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Utilizing Pedicled Muscle Flap for Defect Coverage after External Auditory Canal Cancer Resection
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Lee Kang-Woo
Kim Eun-Key
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Abstract
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Purpose: Cancer arising from the external auditory canal is a rare disease. A lesion that seems harmless in someway, can be lethal when inadequately excised, the tumor may infiltrate nerves, the parotid and auditory tissues before re-invading the skin. Wide resection of the lesion surrounding the structure and reconstruction with an adequate plan is crucial for the treatment of this disease.
Methods: Two patients with external auditory canal cancer were treated with muscle flaps and skin grafts. Lateral temporal bone resection(LTBR) was performed for complete resection of the cancer. The defect cavity was obliterated with highly vascularized tissue using pedicled sternocleidomastoid muscle, and temporalis muscle individually, combined with full thickness skin graft for covering the skin defect of the ear.
Results: Clear resection margin was obtained, and both patients showed disease free survival during the follow up. There was no complications of hematoma, infection, flap loss, or wound problem in both patients. Both patient received radiation therapy, there was no osteoradionecrosis or any other complication related to radiation therapy.
Conclusion: Utilizing pedicled muscle flaps for managing defects after wide resection of the external auditory canal cancer is an effective method for managing this difficult disease.
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KEYWORD
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External auditory canal cancer, Pedicled muscle flap, Head and neck reconstruction
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