卵巢畸胎瘤的CT表现

目的研究卵巢畸胎瘤的CT表现.方法经病理证实卵巢畸胎瘤25例,全部女性,平均年龄32.8岁.其中良性囊性畸胎瘤21例,恶性未成熟畸胎瘤4例.全部病例作了CT扫描.结果右侧12例,左侧13例,平均最大直径81mm.20例圆或椭圆形,5例不规则形.24例见脂质成分存在.21例良性者16例显示壁结节,3例为实质性肿块,2例见脂/液平面;4例恶性者密度不均匀.20/25例见钙化或骨化.2例恶性者并有腹膜转移.结论发生于卵巢的含有脂质成分和钙化或骨化斑者应考虑本病诊断.

CT Manifestations of Teratomas of the Ovary

Objective To study CT findings of teratomas of the ovary.Methods 25 cases of teratomas of the ovary proved pathologically were presented.All cases were female,with a mean age of 32.8 years.There were 21 cases of benign cystic teratoma,and 4 cases of malignant non-mature teratoma.CT scans were obtained in all cases.Results 12 tumors were presented in right ovary,and 13 in left ovary.The average maximum diameter was 81 mm .20 tumors were round or oval shape,and 5 tumors were irregular shape.The fat component inside the ovarian tumor was showed in 24 cases .Among 21 cases of benign cystic teratomas,the wall plug was demonstrated in 16 cases,solid mass in 3 cases,fat-fluid level in 2 cases.A inhomogenous density was found in 4 cases of malignant non-mature teratomas.Calcification or ossification was presented in 20 cases.The peritoneal metastasis was showed in 2 cases.Conclusion The ovarian teratoma can be considered if a ovarian tumor with fat comporent and calcification or ossification.