MRI和血清腫瘤標志物對鑒別卵巢交界性腫瘤和Ⅰ期上皮性卵巢癌的診斷價值
[Abstract]:Background In recent years, more and more attention has been paid to the diagnosis of borderline ovarian tumors in the medical field. The World Health Organization (WHO) defines borderline ovarian tumors as follows: the growth pattern and cytological characteristics of borderline ovarian tumors are between obvious benign and obvious malignant tumors, the stroma is non-invasive, and the same clinical stage of ovary. About a third of borderline Ovarian Tumor (BOT) patients are younger than 40 years of age, eager to reproduce and retain their ovaries to maintain normal female endocrine function, and require conservative surgical treatment. The 5-year survival rate of stage I BOT was 96% and that of other stages was about 92%. Most studies showed that the disease-free survival rate and overall survival rate of conservative BOT patients were almost 100% as compared with those who underwent radical surgery. The pregnancy rate and outcome of the patients who were closely followed up were also good. Patients with early epithelial ovarian cancer (EOC) underwent radical surgery in a comprehensive laparotomy stage. Preoperative diagnosis of BOT is as important as that of ovarian cancer. There are serum tumor markers, abdominal ultrasonography or transvaginal ultrasonography, CT, MRI, PET-CT and so on. Ultrasound is the first-line method for screening malignant tumors. It is cheaper than other imaging methods. It is of high diagnostic value and no radiation. When the ultrasound can not provide enough features for the diagnosis of mass, such as huge mass, other means of examination can be used, such as CT, MRI. Because of the poor soft tissue contrast of CT, for eggs. Differential diagnosis of nest tumors is inferior to MRI, but extrapelvic metastasis and the Federation of International Gynecology and Obstetrics (FIGO) staging are often used. Multi-slice spiral CT. Although PET-CT is more valuable than MRI in the diagnosis of malignant tumors, it has high false-positive rate, high value, radiation and is seldom used in clinic. It is widely used in the differential diagnosis and evaluation of curative effect of ovarian tumors.The enhancement degree of ovarian tumors can be used to differentiate benign from malignant tumors by the morphological features of MRI.The serum tumor markers CA125 and CA199 are one of the biological behaviors of BOT. Objective To investigate the diagnostic value of MRI and serum tumor markers (CA125, CA199) in differentiating borderline ovarian tumors from stage I epithelial ovarian cancer.Methods The patients were divided into two groups, 30 cases in BOT group and 27 cases in stage I EOC group.The MRI manifestations and serum tumor markers (CA125, CA199) of 57 patients were retrospectively analyzed. Bed characteristics: pathological type, age, menopausal status, symptoms; (2) CA125, CA199 levels; (3) MRI manifestations: a tumor unilateral and bilateral size; B solid component size and enhancement, the number and thickness of septation; C ascites, peritoneal implantation, lymph node metastasis. Statistical analysis of the data obtained. Results 1. BOT group age (43 + 13 years) than I EOC group (54 + 10 years old) The difference was statistically significant (P 0.05). The symptomatic patients in stage I EOC group (92.6%) were more than those in BOT group (56.7%). The difference was statistically significant (P 0.05). 2. The maximum diameter of solid components in stage I EOC and the septal thickness (31.6 12.3 mm, 5.3 2.5 mm) were greater than those in BOT group (22.1 11.4 mm, 3 1.5 mm), and the difference was statistically significant (P 0.05). There was no significant difference in tumor size, unilateral, bilateral, septal, ascites, and solid component enhancement (P 0.05). 3. BOT was identified by solid component and septal thickness. The AUC of stage I EOC was 0.730 (95% CI: 0.565-0.894, P = 0.016), 0.826 (95% CI: 0.665-0.987, P = 0.002) respectively. When the maximum diameter of solid component was 25.5mm, BOT was identified by EOC-OFF of stage I EOC. The sensitivity, specificity and accuracy were 66.7%, 76.5% and 71.1% respectively. The sensitivity, specificity and accuracy were 78.6%, 87.5% and 83.3% respectively when the CUT-OFF value of septal thickness was 4.0 m M. The serum CA125 levels of EOC with septal BOT, phase I EOC and solid component I EOC were significantly higher (145.67 u/ml, 156.87 u/ml, 140.24 u/ml, respectively). The difference was statistically significant (P 0.05) in BOT (44.07 u/m L, 45.76 u/m L, 50.90 u/m L), but the serum CA125 level in EOC group with segregation (140.24 u/m L) was slightly higher than that in BOT group (50.90 u/m L), and there was no significant difference (P 0.05). Overall, the serum CA199 level in EOC group with segregation and BOT group with segregation (P 0.05). There were no statistically significant differences (P 0.05). 5. CA125 for BOT, phase I EOCand BOT containing solid components, phase I EOC and phase I EOC AUCwere 0.696 (95% CI: 0.548-0.843, P = 0.011), 0.728 (95% CI: 0.548-0.848-0.843, P = 0.011), 0.728 (95% CI: 0.95% CI: 0.560-0.560.890.897, P = 0.017, P = 0.728 (95% CI: 0.560.560-0.897, P = 0.017, P = 0.017, P = 0.017).Identification B when F value is 103.221U/ml The sensitivity, specificity and accuracy of OT and stage I EOC were 62.9%, 90.0% and 77.2% respectively, while the BOT and COT-OFF values of CA125 were 103.221U/ml, but the sensitivity, specificity and accuracy were 71.4%, 82.4% and 76.3% respectively. There was no significant difference in the positive rates of CA199 between BOT group and EOC group (26.7%, 14.8%, 10.0%, 19.0%, 43.8%, 21.4%, respectively). In serous tumors, the positive rate of CA125 was high (61.0%). The positive rate of CA199 in serous tumors (61.0%) was higher than that in mucinous tumors (36.4%). The difference was statistically significant (P 0.05). The positive rate of CA199 in mucinous tumors (54.5%) was significantly higher than that in serous tumors (54.5%). There was no significant difference (P 0.05). 7. The maximum diameter of solid component combined with CA125 was 0.804 (95% CI: 0.648-0.960, P = 0.001), sensitivity, specificity were 90.5%, 76.5%, accuracy was 84.2%. Conclusion 1. MRI features of borderline ovarian tumors were similar to those of stage I epithelial ovarian cancer. Max diameter and septal thickness are helpful for the differential diagnosis of borderline ovarian tumors and stage I epithelial ovarian cancer. 3. The level of CA125 in ovarian tumors tends to increase with the degree of malignancy. The level of CA125 is helpful for the differential diagnosis of borderline ovarian tumors and stage I epithelial ovarian cancer. 4. MRI combined with CA125 in the differential diagnosis of borderline ovarian tumors. The diagnostic value of stage 1 epithelial ovarian cancer is better than that of MRI alone, CA125.
【學(xué)位授予單位】:鄭州大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2016
【分類號】:R737.31
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