Carcinoma of the cervix: Value of dynamic magnetic resonance imaging in assessing early stromal invasion

被引：2

作者：

Kojima Y. ^{[1
]}

Aoki Y. ^{[1
,2
]}

Kase H. ^{[1
]}

Kodama S. ^{[1
]}

Tanaka K. ^{[1
]}

机构：

[1] Department of Obstetrics, Niigata Univ. School of Medicine, Niigata

[2] Department of Obstetrics, Niigata Univ. School of Medicine, Niigata 951-8510

来源：

International Journal of Clinical Oncology | 1998年 / 3卷 / 3期

关键词：

Cervical cancer; Dynamic MR imaging; Early stromal invasion;

D O I：

10.1007/BF02489906

中图分类号：

学科分类号：

摘要：

Background: The purpose of this study was to assess the accuracy of contrast-enhanced magnetic resonance imaging (dynamic MR imaging) in the evaluation of preinvasive and early invasive cancer of the cervix. Methods: Twenty-nine women with untreated squamous cell carcinoma of the cervix with either no stromal invasion or early stromal invasion underwent pretreatment MR imaging and dynamic MR imaging within 4 weeks of surgical evaluation. The images were evaluated for tumor detection and compared with results of histologic examination of the surgical specimens. Results: The lesions in 17 cases with histologically proven stromal invasion of 4 mm or greater were detected with dynamic MR imaging, whereas lesions in only 8 of these cases were detected with T2 imaging. In 9 cases with stromal invasion between 4.0 mm and 5.0 mm, lesions were represented as early phase focal enhancement on dynamic MR images, but not detected on T2-weighted images. In the 12 cases with less than 4 mm stromal invasion, no lesions were visualized on either T2-weighted images or dynamic MR images, except in 1 case of glandular involvement without stromal invasion that appeared as enhancement on early- phase dynamic MR imaging. Conclusion: Dynamic MR imaging detected more lesions of early stromal invasion in pretreatment imaging for cervical cancer than nonenhanced MR imaging.

引用

页码：143 / 146

页数：3

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