卵巢卵泡膜细胞瘤-纤维瘤组肿瘤的MRI 表现与病理相关性分析  

The correlation between MRI features and pathological characterization of ovarian thecoma-fibroma

作　　者：朱记超[1] 娄明武[1] 张方璟[2] 胡卫东[1] 

机构地区：[1]深圳市龙岗中心医院医学影像科,广东深圳518116 [2]南方医科大学附属深圳市妇幼保健院放射科

出　　处：《实用放射学杂志》2014年第8期1344-1347,共4页Journal of Practical Radiology

摘　　要：目的：分析卵巢卵泡膜细胞瘤-纤维瘤组肿瘤的 MR 特征及与病理相关性。方法回顾性分析21例经手术病理证实的卵泡膜细胞瘤-纤维瘤组肿瘤患者的临床及 MRI 表现,并与病理对照。结果21例共22个肿瘤（1例卵泡膜纤维瘤为双侧发病）,其中纤维卵泡膜细胞瘤13个,卵泡膜纤维瘤4个,纤维瘤5个。所有肿瘤均表现为边界清晰的肿块,其中,实性肿块伴囊变15个,实性7个。19个肿块为圆形或卵圆形,2个为分叶状,1个不规则形。肿瘤长径3.4~18.5 cm,平均8.9 cm。T1 WI 上呈等或稍低信号,T2 WI 上为等或稍低信号为主,夹杂高信号囊变区15个,夹杂片状稍高信号水肿区4个,均匀等或稍低信号3个；增强扫描22个肿块均呈轻中度强化,部分肿瘤延迟后强化程度有所增加。13例合并不同程度盆腔积液,1例伴发子宫内膜增厚,1例伴发子宫内膜癌。CA125升高2例。病理证实所有肿块均为良性。结论卵巢卵泡膜细胞瘤-纤维瘤组肿瘤的 MRI 表现具有一定特征性,并且间接反映了病理学基础,结合相应临床资料,有助于术前正确诊断。Objective To analyze the correlation between MRI features and pathological characterization of ovarian thecoma-fibroma.Methods MRI manifestations of 21 patients with ovarian thecoma-fibroma proved by pathological diagnosis were analyzed retro-spectively and compared with pathologic findings.Results The 21 cases involved 22 lesions （one patient had bilateral masses of the-cofibroma）,including 13 fibrothecoma,4 thecofibroma and 5 fibroma.All lesions presented with well-defined margin,and cystic changes were found in 1 5 cases,7 lesions were solid masses ,1 9 lesions were round or oval masses ,2 lesions were lobulated masses,and 1 lesion was irregular mass.The diameters of tumor ranged from 3.4 to 18.5 cm with mean diameter of 8.9 cm.On MR images,all lesions showed isointense or slight hypointense on T1 WI.On T2 WI,most tumors showed isointense or slight hypoin-tense,along with hyperintense cystic areas in 1 5 lesions,patchy slight hyperintense edema areas in 4 lesions,and homogeneous isointense or slight hypointense in 3 lesions.After contrast enhancement,all lesions demonstrated mild-to-moderate enhancement and delayed progressive enhancement slightly.13 cases associated with varied degrees of pelvic effusion,1 case with thickening of endometrium,and 1 case with endometrial carcinoma.Two patients had a higher level of CA125.Postoperative pathology demon-strated that all lesion were benign.Conclusion The MRI findings of the ovarian thecoma-fibroma are considerably characteristic and indirectly reflect pathology of tumor,thus beneficial to the correct diagnosis of tumor with relevant clinical information.

关 键 词：卵巢 纤维卵泡膜细胞瘤 磁共振成像 

分 类 号：R737.31[医药卫生—肿瘤] R445.2[医药卫生—临床医学]