患者16岁,发现下腹部肿物2月余,因肿物生长快伴阵发性腹疼而入院。体检:身体发育正常,全身表浅淋巴结无肿大,触及右下腹包块如小儿头大,边界不清、实性、活动度小、压疼。肝及脾未触及,其余无异常。Ｂ超示右附件区囊实性占位。临床诊断为右卵巢畸胎瘤恶变。手术所见:右卵?.. The patient was 16 years old and found the lower abdominal mass more than 2 months, due to rapid tumor growth with paroxysmal abdominal pain and admission. Physical examination: normal body development, systemic superficial lymph nodes without swelling, touching the right lower abdomen mass such as children with big head, the border is unclear, solid, low activity, tenderness. Liver and spleen not touched, the rest without exception. B-show the right attachment area capsule solid placeholder. Clinical diagnosis of right ovarian teratoma malignant change. Surgical findings: right egg?