患者,女,40岁。6个月前无明显诱因发现左侧颌下有一肿物,约杏核大小,近1个月生长迅速,局部微痛,无声嘶、吞咽及呼吸困难,无鼻塞出血、心悸及发热等,于2006年3月15日入院。体检:一般情况好,心、肺、腹检查未见异常,左侧颌下近胸锁乳突肌前缘处可触及一3.0cm×3.0cm×3.0cm大小的 Patient, female, 40 years old. 6 months ago, there was no obvious incentive to find a submandibular tumor, about the size of apricot nucleus, rapid growth in recent 1 month, local mild pain, silent hoarseness, swallowing and breathing difficulties, no nasal congestion, palpitations and fever, etc., at March 15, 2006 admission. Physical examination: the general situation is good, heart, lung, abdominal examination showed no abnormalities, the left submandibular sternocleidomastoid muscle at the front edge of a 3.0cm × 3.0cm × 3.0cm size