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  • Title: The use of chimeric-superthin anterolateral thigh flap in reconstruction of laryngopharyngoesophagectomy defects of hypopharyngeal cancer.
    Author: Gur E, Tiftikcioglu YO, Kuybulu TF, Turhal G, Ozturk K.
    Journal: Microsurgery; 2023 Sep; 43(6):563-569. PubMed ID: 36752585.
    Abstract:
    INTRODUCTION: Due to 3D defects after resection of hypopharyngeal cancers, free flaps have become as first option for reconstruction and the anterolateral thigh flap (ALT) has been chosen frequently for soft tissue defects. Chimerization of the skin island of the ALT is also possible which can result in reconstruction of multiple defects simultaneously and monitorization of buried flaps. However, ALT can be bulky in some patients. The superthin ALT is well established by some authors especially for extremities but there is no study about the use of this modification in pharyngoesophageal defects. We present our experience of using chimeric-superthin ALT for pharyngoesophageal reconstructions. PATIENTS AND METHODS: Between 2019 and 2022, six patients (one female and five male) underwent hypopharyngeal tumor resection and experienced chimeric-superthin ALT flap reconstructions. Patients' ages were ranged between 53 and 71 (mean: 64) years old. The type of tumor was squamous cell carcinoma (SCC) for all patients. Three patients had total and three patients had 75% of pharyngoesophageal defects. Defect size was between 10 × 7 cm and 12 × 8.5 cm (mean: 87.08 cm2 ). All flaps were harvested as 5 mm thickness with two skin perforators. All flaps were divided into two individual skin islands as chimeric fashion. One of the skin islands was used for esophageal reconstruction and the other was used for both flap monitorization and tensionless closure of anterior neck skin. RESULTS: Total flap size was between 18 × 9 cm and 21 × 11 cm (mean: 200 cm2 ). In two patients, anastomoses were performed to pectoral branch of thoracoacromial vessels. Neck vessels were chosen as recipient for remaining patients. Wound dehiscence occurred in two patients between the neck skin and monitor island and was re-sutured without any problems. There was no partial or total flap necrosis and all flaps survived. The follow up period was between 4 and 9 months (mean: 5.6). All patients had a successful functional outcome as swallowing. CONCLUSION: The superthin-chimeric ALT flap is a useful option when classical ALT is bulky in defects of hypopharyngeal cancer.
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