Objectives: Owing to the functional and structural complexity of the head and neck area, the reconstruction of defects in these areas are challenging. Free flap surgery has become the standard in the reconstruction of the head and neck with improvement in microvascular surgery. The aim of this study was to evaluate the learning curve for free-flap head and neck reconstruction performed by a single surgeon using the cumulative sum (CUSUM) method.Methods: We retrospectively reviewed the medical records of 47 patients who underwent free-flap reconstruction from 2017 to 2021. The clinical demographics and surgical outcomes were analyzed. The total operation time was analyzed using the CUSUM method. The CUSUM method is an analytical approach for visualizing patterns of data by converting raw data into an accumulation of deviations from the average value.Results : CUSUM analysis showed two phases of the learning curve: Phase 1 (1st-22nd case) and Phase 2 (23rd-47th case). The operative time in phase 1 (579.9
Cervical hibernoma is a rare, benign lipogenic tumor. Surgical removal
of cervical hibernoma is needed when it causes symptoms such as dyspnea
or dysphagia due to its mass effect, or when malignancy cannot be
excluded. During surgery, en bloc resection is crucial to prevent
hemorrhage and recurrence.
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