卵巢甲状腺肿MRI和CT表现

Chinese Journal of Medical Imaging Technology(2018)

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Abstract
目的 分析卵巢甲状腺肿的MRI、CT表现.方法 回顾性分析14例经手术病理证实的单发卵巢甲状腺肿患者的MRI及CT表现,观察其形态、大小、密度/信号、强化特点等.结果 14例病变均表现为包膜完整的囊实性肿块,其中分叶状11例,类圆形3例;多囊状13例,单囊1例;11例实性成分为明显厚壁或分隔,3例呈结节状.肿瘤最大径为3~34 cm,平均(11.34±2.24)cm.7例MR T2WI囊性部分均可见极低信号区,增强后无强化,实性成分明显强化.7例CT囊性部分均可见高密度区,CT值57~90 HU,增强扫描未见强化;实性成分明显强化,CT值为145~270 HU;4例囊壁或实性结节中见斑片状钙化.结论 卵巢甲状腺肿的MRI、CT表现具有一定特征性,有助于诊断及鉴别诊断.
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Key words
Struma ovarii,Teratoma,Magnetic resonance imaging,Tomography,X-ray computed
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