文档介绍：Usual and Unusual Imaging Manifestations on MRI of Adenomyosis
郑州大学第一附属医院磁共振科
何杰 2013年4月17日
子宫腺肌症常见和不常见的MRI表现
Adenomyosis is mon nonneoplastic gynecologic disease characterized by the presence of ectopic endometrium within the myometrium .
Adenomyosis typically affects multiparous, premenopausal women over 30 years of age and may cause dysmenorrhea, menorrhagia, and abnormal genital bleeding .
子宫腺肌症是一种常见的非肿瘤性妇科疾病,是发生在子宫肌层的子宫内膜异位症。
其主要发生于超过30岁,绝经前的经产妇并且可能引起痛经,月经过多和不正常的阴道出血的症状。
ic resonance (MR) imaging is a noninvasive modality with high sensitivity and specificity for diagnosis of adenomyosis . In cases of an enlarged uterus revealed with ultrasonography, MR imaging allows differentiation of adenomyosis from leiomyoma or other pathologic conditions owing to its excellent tissue contrast resolution .
磁共振(MR)成像是一种非侵入性的检查方式,其在诊断子宫腺肌症上具有高的灵敏度和特异度。当超声检查中发现子宫增大时,磁共振由于其出色的组织对比分辨率可以把子宫腺肌症与子宫肌瘤或其他疾病鉴别出来。
Introduction
On T2-weighted images, typical adenomyosis appears as an ill-demarcated low-signal-intensity lesion with uterine enlargement. However, various physiologic or pathologic states may affect the MR imaging appearance of adenomyosis and may result in a tumorlike appearance
在T2WI上,子宫腺肌症的典型表现为一个边界不清的低信号强度病变伴随着子宫增大。然而,多种生理和病理改变也许会影响子宫腺肌症的MRI表现并且会导致其出现肿瘤样的表现
Specific topics discussed are MR imaging manifestations of typical adenomyosis, atypical MR imaging manifestations of adenomyosis, pitfalls in diagnosis of adenomyosis,
讨论的具体话题包括子宫腺肌症的典型MRI表现,子宫腺肌症的不典型MRI表现,子宫腺肌症的诊断误区
Introduction
MR Imaging Manifestations of Typical Adenomyosis
子宫腺肌症的典型MRI表现
Typical Adenomyosis
At pathologic analysis, adenomyosis is characterized by the presence of ectopic endometrial glands and stroma within the myometrium with hypertrophy and hyperplasia of smooth muscle
Adenomyosis may affect the uterine myometrium diffusely and result in a diffusely enlarged uterus, or it may be localized as an adenomyoma.
病理分析,子宫腺肌症的特征性表现是子宫肌层内异位的子宫内膜腺体和间质的存在和平滑肌的肥大增生。
子宫腺肌症也许会弥漫性的影响子宫肌层并导致子宫弥漫性