外阴巨大纤维上皮性间质息肉：扩散加权成像与传统磁共振成像特征及病理对照
Giant Fibroepithelial Stromal Polyp of the Vulva: Diffusion-Weighted and Conventional Magnetic Resonance Imaging Features and Pathologic Correlation.
作者信息
Yoo Joonghyun, Je Bo-Kyung, Yeom Suk Keu, Park Ye Sul, Min Kyung-Jin, Lee Joo Han
机构信息
Department of Radiology, Korea University Hospital, Ansan, Gyeonggi, Republic of Korea.
Department of Radiology, Korea University Hospital, Ansan, Gyeonggi, Republic of Korea.
出版信息
J Pediatr Adolesc Gynecol. 2019 Feb;32(1):93-97. doi: 10.1016/j.jpag.2018.08.006. Epub 2018 Aug 24.
BACKGROUND
Fibroepithelial stromal polyp (FESP) is a rare benign mass, usually presenting at the vagina. Herein we report, to our knowledge, the first case of contrast-enhanced magnetic resonance imaging (MRI) with diffusion-weighted images of a giant vulvar FESP, and compare the MRI features with the histopathologic results.
CASE
A 14-year-old girl presented with a huge mass as large as 20 cm that originated from the labium majora. Preoperative MRI showed a polypoid mass consisting of a central stalk and surrounding stroma. Different signal intensities on MRI were correlated with various histopathologic features. The mass was cured by complete excision without remnant lesion.
SUMMARY AND CONCLUSION
Contrast-enhanced MRI with diffusion-weighted images can help us differentiate FESP from other vulvovaginal stromal tumors with a complete evaluation of the external and internal structures and the depth of invasion.
背景
纤维上皮性间质息肉（FESP）是一种罕见的良性肿块，通常出现在阴道。据我们所知，本文报告了首例关于巨大外阴FESP的对比增强磁共振成像（MRI）及扩散加权成像，并将MRI特征与组织病理学结果进行比较。
病例
一名14岁女孩出现一个源于大阴唇的巨大肿块，大小达20厘米。术前MRI显示一个息肉样肿块，由中央蒂和周围间质组成。MRI上不同的信号强度与各种组织病理学特征相关。该肿块通过完整切除得以治愈，无残留病变。
总结与结论
对比增强MRI及扩散加权成像有助于我们将FESP与其他外阴阴道间质肿瘤区分开来，可对其外部和内部结构以及浸润深度进行全面评估。
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