Department of Radiology and Medical Imaging, CHU Estaing, Clermont-Ferrand, France.
Clin Radiol. 2013 Dec;68(12):1276-83. doi: 10.1016/j.crad.2013.07.005. Epub 2013 Aug 9.
The ovaries can be affected by a vast variety of tumours, which may be benign or malignant, solid or cystic. Although ultrasonography is often the first examination performed in the evaluation of gynaecological conditions, magnetic resonance imaging is nowadays the most accurate imaging technique in the characterization of ovarian masses. Once the ovarian origin of a pelvic mass has been determined, the detection of any fibrous component within the lesion significantly reduces the spectrum of aetiologies that should be considered. Fibrotic tissue usually displays marked low-signal intensity on T2-weighted sequences at MRI, and enhancement is mostly moderate after intravenous administration of gadolinium chelates. This review aims to provide the main diagnoses to consider at MRI whenever an ovarian tumour, both purely solid or solid and cystic, contains a fibrous component, even if minimally abundant. The corresponding key imaging features are provided.
卵巢可受到多种肿瘤的影响，这些肿瘤可能是良性或恶性、实体性或囊性的。尽管超声检查通常是妇科疾病评估中首先进行的检查，但磁共振成像（MRI）是现今卵巢肿块特征描述中最准确的成像技术。一旦确定盆腔肿块的卵巢来源，病变内任何纤维成分的检测都会显著缩小应考虑的病因谱。在 MRI 上，纤维化组织通常在 T2 加权序列上显示明显的低信号强度，静脉内给予钆螯合物后强化多为中度。本综述旨在提供主要的诊断，以考虑在 MRI 时，无论卵巢肿瘤是纯实性还是实性与囊性混合性，只要含有纤维成分，即使含量很少。提供了相应的关键影像学特征。
