Facial artery myomucosal flap (FAMM) is an intraoral flap pedicled on facial artery used for reconstruction of oral/oropharyngeal defects.1 Careful assessment of perfusion is essential to avoid flap necrosis, and several options are used for this purpose. Among these, indocyanine green (ICG) fluorescence video-angiography (ICG-VA) represents an innovative tool whose adoption in flap surgery is still at its early days.2 METHODS: In this multimedia article, we described the use of ICG-VA for perfusion assessment of a FAMM flap harvested for reconstruction of oral lining after ablation of a cT2cN0 floor-of-mouth (FOM) cancer. The use of ICG-VA was aimed at defining ischemic areas on the flap according to a flap-to-normal mucosa ICG ratio.
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