患者张××,女,26岁,干部。一年前偶然扪到左侧舌中1/3处有一黄豆大小之包块,无痛,生长缓慢,对咀嚼、语言无影响。近一个月觉肿物增大来院要求手术治疗。曾在黑龙江生产建设兵团工作六年,当过饲养员,有食生瓜果蔬菜史。体检:一般检查未见异常。口腔颌面部检查:舌左侧中1/3处深部可触及一个2×1厘米大小呈椭圆形之肿物,微凸出于舌 Zhang × × patients, female, 26 years old, cadres. Occasional palpable a year ago in the left side of the tongue 1/3 at a soy-size mass, painless, slow growth, no effect on chewing, language. Nearly a month to expectant tumor enlargement to the hospital for surgery. He worked in Heilongjiang Production and Construction Corps for six years, worked as a breeder, has a raw fruit and vegetable history. Physical examination: no abnormalities in general examination. Oral and maxillofacial examination: 1/3 at the left side of the tongue can reach a deep 2 x 1 cm oval-shaped tumor, slightly protruding tongue