卵巢肿瘤的MR诊断  

MRI Diagnosis of the Ovarian Tumors

作　　者：王萍[1] 仲美林[1] 

机构地区：[1]青岛市立医院,266011

出　　处：《医学影像学杂志》1997年第3期138-140,共3页Journal of Medical Imaging

摘　　要：目的：探讨卵巢肿瘤的MRI诊断价值。材料与方法：回顾性分析17例经手术／病理证实的卵巢肿瘤的MRI表现（包括T1、T2及静脉注射Gd－DTPA后T1三相）。结果：3例卵巢囊肿表现为单个或多个园形、椭园形等或稍长T1及长T2像；1例巧克力囊肿呈短T1长T2像；1例畸胎瘤呈实性，有脂肪及钙化信号。12例恶性肿瘤中2例转移瘤均表现等T1长T2肿块，Cˉ后增强，并均有腹水征。10例原发性卵巢癌中9例信号不均匀，呈囊实性肿块或肿块内不规则坏死液化。3例侵及周围脂肪层或盆隔，Cˉ更清楚。另1例卵巢癌术后MR复查，腹腔内广泛种植。结论：MRI诊断卵巢囊肿或良性肿瘤与B超、CT的价值相似；对恶性卵巢肿瘤的诊断与TNM分期明显优于CT或B超，值得推广。Purpose:To investigate the diagnostic value of ovarian tumors with MRI.Materials and methods: MRI appearances 0f 17 cases with oyarian tumours proved by surgery and patholo gy were analysed retrospectively(includ T1W,T2Wand Gd-DTPA enhanced T1W),Results:3 cases of cysts presented as simple or plurioval,medium or low T1and high T2 signal intensities.1 chocolate cyst presented as high T1and T2signal intensity. l teratoma presented as mass included fat and calcification mixed signal intensity.In the 12 rnalignant ovarian tumor cases.2 of 12,metastasis all presented as medium T1,high T2.using Gd-DTPA enhanced T1W,9 of 12 primary carcinomas of ovarium presented as mixed cystoid mass,or irregular necrosis in the mass,with Gd -DTPA enhanced T1W improved these features.3 of 12 cases had invased into peripheral fat and muscle.The last cases had post-surgeral carcionoma of ovary presented as diffuse peritoneal plants.Conclusion:To compare the diagnostic value of benign ovarian tumors with MRl had as well as CT and US,but to evaluate the diagnosis of malignant ovarian tumors and its TNM MRI had advantage.

关 键 词：卵巢肿瘤 MRI诊断 病理学 腹痛 

分 类 号：R737.31[医药卫生—肿瘤] R445.2[医药卫生—临床医学]