病例女 ,６５岁。半年前无意中发现左下腹有一包块 ,无疼痛、尿频、尿急 ,近来发现肿物逐渐增大 ,实验室检查无特殊。彩超所见 :于子宫左上方探及一约１１ ０ｃｍ×９．０ｃｍ大小实质性肿物 ,有完整包膜 ,边缘光滑 ,与左侧卵巢关系密切 ,彩色血流示内部无血流 ,诊断为左侧卵巢 Case female, 65 years old. Six months ago inadvertently found a piece of the left lower quadrant, no pain, frequent urination, urgency, recently found that the tumor gradually increased, no special laboratory tests. Ultrasonography seen in the upper left uterine exploration and a size of about 11 0cm × 9.0cm size of a solid tumor, a complete envelope, the edge is smooth, closely related to the left ovary, color flow showed no internal blood flow, the diagnosis of Left ovary