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KMID : 0361020160590110780
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Korean Journal of Otolaryngology - Head and Neck Surgery
2016 Volume.59 No. 11 p.780 ~ p.786
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Anterolateral Thigh Thickness Measurement in Positron Emission Tomography-Computed Tomography for the Prediction of Free Flap Reconstruction Outcomes in Head and Neck Cancer
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Ban Myung-Jin
Park Jae-Hong
Byeon Hyung-Kwon
Chang Jae-Won
Ahn Jeong-Hyeon
Kim Ji-Hoon
Kim Won-Sik
Koh Yoon-Woo
Kim Se-Heon
Choi Eun-Chang
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Abstract
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Background and Objectives: Anterolateral thigh (ALT) flaps are commonly used for head and neck surgery reconstruction. However, a thick ALT often leads to long operation times. Therefore, ALT thickness on a preoperative non contrast image of positron emission tomography-computed tomography (PET-CT) scan was measured to predict surgical outcome.
Subjects and Method: The correlation between ALT thickness and total reconstruction time was analyzed in 106 patients. The differences in ALT thickness between the successful and compromised-flap groups were analyzed retrospectively.
Results: Median ALT thickness was 4.49 mm, and total reconstruction time was 190 min. Total reconstruction time was significantly correlated with ALT thickness (p=0.019). ALT thickness, body mass index (BMI), total reconstruction time and ischemia time were significantly greater in the compromised-flap group than in the successful group. In the multivariate analysis, only BMI and ischemia time were predictors for the compromised flap.
Conclusion: ALT thickness measured on a non-contrast image of PET-CT scan is useful as a surgical outcome predictor with respect to total reconstruction time. A further study may suggest the risk of a thick ALT in a compromised flap in head and neck reconstruction using an ALT free flap.
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KEYWORD
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Cancer of head and neck, Computed tomography, Free flaps, Positron emission tomography, Thigh
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