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Mucosal melanoma of the eustachian tube is a rare and highly malignant tumour. Local radical resection combined with radiotherapy and systemic chemotherapy is a classic treatment strategy for this tumour. The internal carotid artery (ICA) is easily damaged when this tumour is removed. Once the ICA ruptures and causes haemorrhage, it can be fatal. We report a case of mucosal malignant melanoma of the eustachian tube with ICA rupture and haemorrhage in a 62-year-old woman 3 days after resection of the tumour. After successful emergency en