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目的分析卵巢颗粒细胞瘤(ovarian granulose cell tumor,OGCT)的多层螺旋CT(Multislice CT,MSCT)表现,以提高对其影像诊断水平。方法回顾性分析无锡市妇幼保健院2010-07-2015-01经手术病理证实的13例颗粒细胞瘤患者的临床及影像学资料,并与术后病理进行对照分析,总结其CT表现。结果 13例病灶均单侧发病,形态呈圆形或卵圆形9例,浅分叶状4例,囊实性8例,实性肿块3例,囊性2例,增强扫描肿瘤实性成分及囊壁、分隔轻度或中度强化,囊性部分无强化改变。术后大体病理13例肿瘤内见不同程度囊变、坏死,镜下见肿瘤细胞呈小梁状、绸带状、弥漫性浸润生长,见核沟。结论卵巢颗粒细胞瘤CT表现有一定特征性,对术前诊断有一定指导作用。
Objective To analyze the performance of multislice CT (MSCT) in ovarian granulose cell tumor (OGCT) so as to improve its diagnostic value. Methods Retrospectively analyzed the clinical and imaging data of 13 cases of granulosa cell tumor confirmed by surgery and pathology in Wuxi MCH Hospital from July 2010 to May 2015 and compared with postoperative pathology to summarize the CT findings. Results All the 13 lesions were unilateral, with round or oval shape in 9 cases, shallow lobulation in 4 cases, cystic solidity in 8 cases, solid tumors in 3 cases and cystic lesions in 2 cases. And the wall, separated by mild or moderate enhancement, no enhancement of cystic parts. Gross pathology in 13 patients with varying degrees of cystic degeneration, necrosis, microscopic tumor cells were trabecular like, ribbon, diffuse infiltration of growth, see the nuclear ditch. Conclusion The CT findings of ovarian granulosa cell tumor have certain characteristics, which can guide the preoperative diagnosis.