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目的探讨卵巢性索间质肿瘤的CT表现并与术后病理进行对照分析,以提高术前诊断水平。方法回顾性分析23例经手术病理证实的卵巢性索间质肿瘤的临床资料、CT表现、术后病理,对颗粒细胞瘤与卵泡膜细胞瘤-纤维瘤的平扫CT值与增强后强化程度ΔCT值进行比较分析。结果 (1)颗粒细胞瘤7例;(2)卵泡膜细胞瘤3例、纤维-卵泡膜纤维瘤11例12枚;(3)Sertoli-Leydig细胞瘤1例;(4)类固醇细胞瘤1例,在CT上具有一些特征性表现,且与术后病理相对应。颗粒细胞瘤与卵泡膜细胞瘤-纤维瘤的平扫CT值无明显差异(t=1.487,P=0.157),颗粒细胞瘤增强后强化程度ΔCT值较卵泡膜细胞瘤-纤维瘤高(t=2.528,P=0.041)。结论卵巢性索间质肿瘤具有一定的CT特点,符合其病理表现,结合临床资料,有助于术前初步诊断。
Objective To investigate the CT findings of ovarian sex cord tumors and compare them with postoperative pathology so as to improve the preoperative diagnosis. Methods The clinical data, CT findings, postoperative pathology of 23 cases of ovarian interstitial neoplasms confirmed by surgery and pathology were analyzed retrospectively. The value of CT scan and the degree of enhanced CT of granulosa cell tumor and orchidematous tumor - fibroma were retrospectively analyzed. ΔCT value for comparative analysis. Results (1) Granulosa cell tumor in 7 cases; (2) 3 cases of theca cell tumor, 12 cases of fibro-follicular fibroma in 12 cases; (3) 1 case of Sertoli-Leydig cell tumor; (4) 1 case of steroid cell tumor , With some characteristic features on the CT, and postoperative pathology corresponding. The CT value of granulosa cell tumor was no significant difference (P = 0.157), the value of CT value of enhancement of granulosa cell tumor was higher than that of theca cell tumor - fibroma (t = 1.487, 2.528, P = 0.041). Conclusion Ovarian sex cord stromal tumors have certain CT features, in line with their pathological findings, combined with clinical data, contribute to the preoperative diagnosis.