患者　女, 53岁。发现左颈部肿物 1年,并逐渐增大,以近3周明显。并伴有疼痛,为持续性紧张痛。无头痛、头晕,不伴声嘶,无饮水呛咳及乏力消瘦等表现。查体:左颈部胸锁乳肌中上 1 /3段前缘可及肿块,约 3. 0cm×3. 0cm大小,似与肌肉相连,质中等,界欠清,活动度差,无压痛,有血管 Female patient, 53 years old. Left neck mass was found for 1 year and gradually increased to nearly 3 weeks significantly. Accompanied by pain, persistent tension. No headache, dizziness, no hoarseness, no water cough and fatigue, weight loss and other performance. Physical examination: the left neck sternoclavicular muscle in the upper 1/3 of the front can reach the tumor, about 3. 0cm × 3. 0cm size, like the muscles connected to the medium quality, the community is less clear, poor mobility, no tenderness , Have blood vessels