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模仿卵巢表面上皮肿瘤的阔韧带室管膜瘤。

Ependymoma of the broad ligament mimicking an ovarian surface epithelial tumor.

作者信息

Inukai Ryo, Kawai Tatsuya, Nishikawa Ryutaro, Ogawa Shino, Kojima Ryuji, Kita Nozomi, Hattori Hideo, Shibamoto Yuta

机构信息

Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya 464-8601, Japan.

Department of Obstetrics and Gynecology, Nagoya City University Graduate School of Medical Sciences, Nagoya 464-8601, Japan.

出版信息

Radiol Case Rep. 2020 Nov 20;16(1):210-214. doi: 10.1016/j.radcr.2020.10.046. eCollection 2021 Jan.

DOI:10.1016/j.radcr.2020.10.046
PMID:33294091
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7691147/
Abstract

We report a case of ependymoma of the broad ligament occurring in a 21-year-old woman. CT and MRI findings showed a 40-mm-diameter, well-demarcated cystic mass with a lobulated solid component in the right pelvis. The solid component showed heterogeneous intermediate signal intensity on T2-weighted image and prolonged mild contrast enhancement. The tumor was resected and confirmed as ependymoma based on the histologic findings along with its immunohistochemical profile. To our knowledge, this is the first report of an adnexal ependymoma describing the precise radiological characteristics that resembled those of borderline or malignant epithelial ovarian tumors.

摘要

我们报告一例发生于一名21岁女性阔韧带的室管膜瘤。CT和MRI检查结果显示，右侧盆腔有一个直径40毫米、边界清晰的囊性肿块，伴有分叶状实性成分。实性成分在T2加权图像上显示不均匀的中等信号强度，并伴有轻度延迟强化。肿瘤被切除，根据组织学检查结果及其免疫组化特征确诊为室管膜瘤。据我们所知，这是第一例描述附件室管膜瘤精确放射学特征的报告，其特征类似于卵巢交界性或恶性上皮性肿瘤。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/3654e41d5954/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/8868d3d45de6/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/6f734602209b/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/2e6473a23d37/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/3654e41d5954/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/8868d3d45de6/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/6f734602209b/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/2e6473a23d37/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b797/7691147/3654e41d5954/gr4.jpg

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本文引用的文献

1
Extraneural metastatic anaplastic ependymoma: a systematic review and a report of metastases to bilateral parotid glands.神经外转移性间变性室管膜瘤：一项系统综述及双侧腮腺转移病例报告
Neurooncol Pract. 2020 Mar;7(2):218-227. doi: 10.1093/nop/npz041. Epub 2019 Nov 1.
2
Primary extraneural ependymoma of the broad ligament: A rare entity.阔韧带原发性神经外室管膜瘤：一种罕见的疾病。
J Cancer Res Ther. 2019 Oct-Dec;15(6):1398-1401. doi: 10.4103/jcrt.JCRT_672_17.
3
Diffusion-weighted MRI of epithelial ovarian cancers: correlation of apparent diffusion coefficient values with histologic grade and surgical stage.
上皮性卵巢癌的扩散加权磁共振成像：表观扩散系数值与组织学分级及手术分期的相关性
Eur J Radiol. 2015 Apr;84(4):590-5. doi: 10.1016/j.ejrad.2015.01.005. Epub 2015 Jan 16.
4
Primary ependymoma in the posterior mediastinum.后纵隔原发性室管膜瘤。
Ann Thorac Cardiovasc Surg. 2011;17(5):494-7. doi: 10.5761/atcs.cr.10.01615. Epub 2011 Jul 13.
5
Value of diffusion-weighted imaging in grading tumours localized in the fourth ventricle region by visual and quantitative assessments.通过视觉和定量评估，扩散加权成像在第四脑室区域肿瘤分级中的价值。
J Int Med Res. 2011;39(3):912-9. doi: 10.1177/147323001103900325.
6
Extraspinal ependymoma of the broad ligament.阔韧带内脊髓外室管膜瘤。
Pathol Int. 2010 Mar;60(3):241-4. doi: 10.1111/j.1440-1827.2009.02509.x.
7
Imaging of ependymomas: MRI and CT.室管膜瘤的影像学检查：磁共振成像（MRI）和计算机断层扫描（CT）
Childs Nerv Syst. 2009 Oct;25(10):1203-13. doi: 10.1007/s00381-009-0878-7. Epub 2009 Apr 10.
8
Dynamic contrast-enhanced magnetic resonance imaging: a useful tool for characterizing ovarian epithelial tumors.动态对比增强磁共振成像：一种用于卵巢上皮性肿瘤特征性诊断的有用工具。
J Magn Reson Imaging. 2008 Jul;28(1):111-20. doi: 10.1002/jmri.21377.
9
Ependymomas of the central nervous system and adult extra-axial ependymomas are morphologically and immunohistochemically distinct--a comparative study with assessment of ovarian carcinomas for expression of glial fibrillary acidic protein.中枢神经系统室管膜瘤与成人轴外室管膜瘤在形态学和免疫组织化学上存在差异——一项评估卵巢癌中胶质纤维酸性蛋白表达的比较研究。
Am J Surg Pathol. 2008 May;32(5):710-8. doi: 10.1097/PAS.0b013e318159a2b4.
10
Extraneural metastases in anaplastic ependymoma.间变性室管膜瘤的神经外转移
J Cancer Res Ther. 2007 Apr-Jun;3(2):102-4. doi: 10.4103/0973-1482.34689.