本文選題：卵巢　切入點(diǎn)：纖維卵泡膜瘤　出處：《中國醫(yī)學(xué)計(jì)算機(jī)成像雜志》2017年03期 　論文類型：期刊論文

【摘要】：目的:分析卵巢纖維卵泡膜瘤的MRI表現(xiàn),以提高對(duì)其MRI特征的認(rèn)識(shí)。方法:回顧分析20例經(jīng)病理證實(shí)的卵巢纖維卵泡膜瘤的MRI表現(xiàn)及臨床資料。根據(jù)T2WI信號(hào)特點(diǎn)將病例分成高信號(hào)組與低信號(hào)組,采用t檢驗(yàn)及精確Fisher確切概率法比較兩組間腫瘤最大徑、血清糖抗原125(CA-125)升高例數(shù)以及子宮內(nèi)膜病變發(fā)生例數(shù)之間的統(tǒng)計(jì)學(xué)差異。結(jié)果:20位患者中18例為絕經(jīng)后婦女(90%),10例(50%)表現(xiàn)為CA-125增高,6例(30%)合并子宮內(nèi)膜病變,1例(5%)合并卵巢畸胎瘤。20例患者均出現(xiàn)腹水體征,其中1例表現(xiàn)中等量腹水,19例為少量腹水。T1WI上所有腫塊都表現(xiàn)為略低信號(hào)。腫瘤的T2WI有兩個(gè)主要特點(diǎn):(1)以等、稍高信號(hào)為主(稍高信號(hào)組,10例)。(2)以低信號(hào)為主(低信號(hào)組,10例)。兩組間病灶最大徑、CA-125值升高例數(shù)差異無統(tǒng)計(jì)學(xué)意義,P=0.439、P=0.656;兩組間子宮內(nèi)膜病變發(fā)生數(shù)差異有統(tǒng)計(jì)學(xué)意義(P=0.011)。增強(qiáng)后腫瘤呈輕度、不均勻強(qiáng)化,強(qiáng)化程度小于子宮肌層(P=0.000)。結(jié)論:良性腫瘤的形態(tài)學(xué)特征、少血供、T2WI信號(hào)、常合并腹水及子宮內(nèi)膜病變的MRI特征有助于卵巢纖維卵泡膜瘤的診斷。腫瘤的T2WI信號(hào)特點(diǎn)有助于患者高雌激素血癥的診斷。
[Abstract]:Objective: to analyze the MRI findings of fibrous follicular tumor of ovary. Methods: the MRI findings and clinical data of 20 cases of fibrous follicular tumor of ovary proved by pathology were analyzed retrospectively. According to the signal characteristics of T2WI, the patients were divided into high signal group and low signal group. T test and exact Fisher probability method were used to compare the maximum diameter of tumor between the two groups. Statistical differences in the number of elevated serum glucose antigen 125 (CA-125) and the number of endometrial lesions. Results 18 out of 20 patients were postmenopausal women with 50% of the 10 patients. (6 cases with increased CA-125 were found in 6 cases with 30%) and 1 case with endometrial lesions (5%). Ascites were found in 20 patients with ovarian teratoma. One case showed moderate ascites in 19 cases. All masses on T1WI showed slight hypointensity. There were two main features in T2WI. The main signal intensity was hypointensity (10 cases in the hyperintense group) (10 cases in the low signal group). There was no significant difference in the number of patients with increased CA-125 value of the lesion between the two groups, and there was a significant difference in the number of endometrial lesions between the two groups. After enhancement, the tumor was mild. The degree of enhancement was less than that of myometrium. Conclusion: the morphological features of benign tumors, the signal intensity of T2WI with less blood supply, The MRI features of ovarian fibrofollicular tumor with ascites and endometrial lesions are helpful to the diagnosis of ovarian fibrofollicular tumor and the T2WI signal characteristics of the tumor are helpful to the diagnosis of hyperestrogenemia.
【作者單位】： 上海市普陀區(qū)人民醫(yī)院放射科;
【分類號(hào)】：R445.2;R737.31

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