患儿叶某,女性,年龄3月~+,住院号:33695。患儿母亲三天前无意中发现她腹部一肿块,患儿无畏寒、发热,无腹泻等明显体征就诊。外科门诊拟为畸胎瘤,于1990年11月20日收入院治疗。体查五官端正,心肺未见异常,肝脾未触及,腹部摸及一个约20×20cm包块,质地不 Yemian children, women, age from March to +, hospital number: 33695. Three days ago, her mother had inadvertently found a lump in her abdomen. She had no obvious symptoms such as chills, fever and no diarrhea. Surgical out as teratoma, November 20, 1990 income hospital treatment. Investigate facial features, heart and lung no abnormalities, liver and spleen not touched, touching the abdomen about 20 × 20cm mass, the texture is not