腹盆良性畸胎瘤的CT表现

CT Features of Benign Teratomas in Abdomen and Pelvis

目的 :研究腹盆良性畸胎瘤的CT表现。材料与方法 :本组经病理证实良性畸胎瘤 9例 ,其中男 3例 ,女 6例 ,平均年龄 4 0 6岁。全部病例进行了CT平扫检查。结果 :肿瘤位于卵巢 4例 ,腹膜后 4例、骶尾前 1例 ,肿瘤平均大小 5 6cm。圆形 6例、椭圆形 2例、不规则形 1例。 6例中含有脂肪成分 ,6例见不同形式钙化 ,4例见壁结节 ,2例见脂液平面。结论 :腹盆良性畸胎瘤为一种CT表现复杂的肿瘤 ,与其内所含的液体、脂质、脂肪。

Purpose:To Study the CT manifestations of benign teratoma in abdomen and pelvis.Materials and Methods:Nine cases of benign teratomas proved by pathology were presented.There were three men and six women,with average age of 40.6 years.CT studies were obtained in all nine cases.Results:Tumors were located in ovariun (4 cases),retroperitoneal space (4 cases),sacrococcygeal regions(1 cases).Tumors demonstrated round shape (6 cases),oval shape(2 cases) and irregular shape (1 case).Fatty components were seen in 6 cases,various calcification in 6 cases,dermoid plug in 4 cases,fluid/sebum level in 2 cases.Conclusion:The benign teratoma of abdomen and pelvis is one complex tumor on CT study,which depends on the fluid,sebum,fat,solid and calcification components.