附件肿物：经阴道超声及对比剂增强前后磁共振成像特征描述的准确性

Adnexal masses: accuracy of characterization with transvaginal US and precontrast and postcontrast MR imaging.

作者信息

Yamashita Y, Torashima M, Hatanaka Y, Harada M, Higashida Y, Takahashi M, Mizutani H, Tashiro H, Iwamasa J, Miyazaki K

机构信息

Department of Radiology, Kumamoto University School of Medicine, Japan.

出版信息

Radiology. 1995 Feb;194(2):557-65. doi: 10.1148/radiology.194.2.7824738.

DOI:10.1148/radiology.194.2.7824738

PMID:7824738

Abstract

PURPOSE

To determine the accuracy of transvaginal ultrasound (TVUS) and of precontrast and contrast material-enhanced magnetic resonance (MR) imaging in the differentiation of adnexal masses.

MATERIALS AND METHODS

Five blinded readers analyzed images of 80 masses in 72 patients. MR and TVUS images were interpreted in separate sessions. Findings were confirmed at surgery or laparoscopy.

RESULTS

Higher diagnostic accuracy was attained with MR imaging in mature cystic teratomas and endometriomas. However, better accuracy was achieved with contrast-enhanced MR imaging and TVUS in simple cysts, cystadenomas, and malignant tumors because internal details could be visualized. Receiver operating characteristic study indicated that observer confidence was significantly higher with contrast-enhanced MR imaging than with precontrast MR imaging (P = .011) or TVUS (P = .002) in the differentiation of benign and malignant masses.

CONCLUSION

Contrast-enhanced MR imaging is superior to precontrast MR and TVUS imaging in the characterization and differentiation of adnexal masses.

摘要

目的

确定经阴道超声（TVUS）以及对比剂增强前后的磁共振（MR）成像在附件包块鉴别诊断中的准确性。

材料与方法

5名不知情的阅片者分析了72例患者的80个包块图像。MR和TVUS图像在不同时段解读。手术或腹腔镜检查证实检查结果。

结果

MR成像对成熟性囊性畸胎瘤和子宫内膜瘤有更高的诊断准确性。然而，对于单纯囊肿、囊腺瘤和恶性肿瘤，对比剂增强MR成像和TVUS能显示内部细节，诊断准确性更高。受试者操作特征研究表明，在鉴别良恶性包块时，对比剂增强MR成像观察者的信心显著高于对比剂增强前的MR成像（P = 0.011）或TVUS（P = 0.002）。