患者 ,男 ,7.5岁 ,发现左下腹包块10ｄ ,未伴有其它不适 ,外院诊断为畸胎瘤 ,我院查ＣＴ检查示 :左下腹实性包块 ,性质待定。入院查生命体征平稳 ,一般情况可 ,左下腹可扪及一约 7ｃｍ× 7ｃｍ大小包块 ,质硬 ,表面光滑 ,边界欠清楚 ,活动度差 ,伴有压痛。Ｂ超示 :左下腹可见 9 Patients, male, 7.5 years old, found the left lower quadrant mass 10d, not accompanied by other discomfort, outside the hospital diagnosed as teratoma, CT examination showed that our hospital showed: the left lower quadrant solid mass, the nature of to be determined. Admission check signs of life stable, the general situation may be left palpable palpable and about 7cm × 7cm size of the mass, hard, smooth surface, the border is not clear, poor activity, accompanied by tenderness. B super show: left lower abdomen can be seen 9