When resecting head and neck tumours, the aim is mostly to strive for en bloc resection with sufficiently large tumour-free margins. If this is not possible, as is frequently the case with transoral laser microsurgery and endonasal endoscopic surgery, multiblock resection can be carried out by cutting through the tumour. With this approach, it is also essential that the final resection margins are tumour-negative. In such cases, surgeon and pathologist together should pay extra attention to tissue orientation and outer resection margins.
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