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女性骨盆扩散加权成像的陷阱

Pitfalls of diffusion-weighted imaging of the female pelvis.

作者信息

Duarte Ana Luisa, Dias João Lopes, Cunha Teresa Margarida

机构信息

Department of Radiology, Hospital do Espírito Santo E.P.E., Évora, Portugal.

Department of Radiology, Hospital de São José, Centro Hospitalar de Lisboa Central, Lisboa, Portugal.

出版信息

Radiol Bras. 2018 Jan-Feb;51(1):37-44. doi: 10.1590/0100-3984.2016.0208.

DOI:10.1590/0100-3984.2016.0208
PMID:29559764
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5846323/
Abstract

Diffusion-weighted imaging (DWI) is widely used in protocols for magnetic resonance imaging (MRI) of the female pelvis. It provides functional and structural information about biological tissues, without the use of ionizing radiation or intravenous administration of contrast medium. High signal intensity on DWI with simultaneous low signal intensity on apparent diffusion coefficient maps is usually associated with malignancy. However, that pattern can also be seen in many benign lesions, a fact that should be recognized by radiologists. Correlating DWI findings with those of conventional (T1- and T2-weighted) MRI sequences and those of contrast-enhanced MRI sequences is mandatory in order to avoid potential pitfalls. The aim of this review article is the description of the most relevant physiological and benign pathological conditions of the female pelvis that can show restricted diffusion on DWI.

摘要

扩散加权成像（DWI）广泛应用于女性盆腔磁共振成像（MRI）方案中。它无需使用电离辐射或静脉注射造影剂就能提供有关生物组织的功能和结构信息。DWI上的高信号强度与同时出现的表观扩散系数图上的低信号强度通常与恶性肿瘤有关。然而，这种表现模式在许多良性病变中也可见，放射科医生应认识到这一事实。为避免潜在的陷阱，必须将DWI的结果与传统（T1加权和T2加权）MRI序列以及对比增强MRI序列的结果进行关联。这篇综述文章的目的是描述女性盆腔中在DWI上可显示扩散受限的最相关生理和良性病理状况。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/36634defdc0e/rb-51-01-0037-g10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/4136e9e44351/rb-51-01-0037-g01.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/56be3888e5c4/rb-51-01-0037-g09.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/36634defdc0e/rb-51-01-0037-g10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/4136e9e44351/rb-51-01-0037-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/205774336b70/rb-51-01-0037-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/1f01af1b090b/rb-51-01-0037-g03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/67b08d7ea1b3/rb-51-01-0037-g04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/6f74993a4968/rb-51-01-0037-g05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/a492cfe50045/rb-51-01-0037-g06.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/cdddf6f82bb7/rb-51-01-0037-g07.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/202904aa268b/rb-51-01-0037-g08.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/56be3888e5c4/rb-51-01-0037-g09.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c2b/5846323/36634defdc0e/rb-51-01-0037-g10.jpg

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