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目的 研究低场MRI判断临床I期子宫内膜癌患者子宫肌层浸润深度的临床价值及其MR表现。方法 32例子宫内膜癌患者,经手术病理证实为临床I期,术前均行MRI检查; MRI对 32例患者进行临床分期,并与术后病理结果进行对照。统计学方法采用列联表的χ2 检验。结果 32例患者病理诊断均为子宫内膜癌临床I期。采用 1988年修订后的FIGO分期原则将所有病例进一步分级:Ⅰa期 6例,Ⅰb期 18例,Ⅰc期 8例。以手术病理结果为标准,MRI判断子宫内膜癌有无肌层浸润的敏感性和特异性为 92%, 83%,MRI分期与病理分期相比符合率为 78%。结论 低场MRI可以对临床Ⅰ期子宫内膜癌进一步准确分期,尤其对准确判断肌层有无浸润有明显的优势。
Objective To study the clinical value and MR findings of low field MRI in determining the depth of myometrial invasion in patients with stage I endometrial cancer. Methods Thirty-two patients with endometrial cancer were confirmed by operation and pathology as clinical phase I. MRI was performed preoperatively. Thirty-two patients were clinically staged by MRI and compared with postoperative pathological findings. Statistical methods using the contingency table chi-square test. Results 32 cases of pathological diagnosis of endometrial cancer clinical stage I. All the cases were further graded according to the FIGO staging revised in 1988: 6 cases in stage Ⅰa, 18 cases in stage Ⅰb and 8 cases in stage Ⅰc. According to the results of surgery and pathology, the sensitivity and specificity of MRI in detecting the presence or absence of myometrial invasion were 92% and 83%, respectively. The coincidence rate of MRI staging and pathological staging was 78%. Conclusion Low-field MRI can further accurately stage clinical endometrial cancer staging, in particular, to accurately determine the presence or absence of myometrial invasion has obvious advantages.