甲狀腺乳頭狀癌淋巴結轉移對預后影響的系列研究
[Abstract]:The incidence of cervical lymph node metastasis in patients with papillary thyroid cancer (PTC) is higher, about 20% ~ 50%, and it also affects the recurrence and mortality of PTC patients. The prognostic value of LR in predicting the risk of DM in PTC patients was evaluated by distant metastasis (DM), and the prognostic value of LR and the number of lymph node metastases (LNs) in predicting the response to treatment after 131I in PTC patients was further compared in the third part. Value. The three parts of the study are reported as follows: Part I: Predictive effect of LR on the treatment response of patients with PTC after 131I. Objective: To investigate the relationship between LR and clinical outcome after 131I nail removal and its predictive value. Patients with distant metastatic PTC were divided into four groups according to LR: group I (0-10%), group II (10-25%), group III (25-50%) and group IV (50%). After a median follow-up of 20.7 months, the patients were divided into four groups: excellent response (ER), inaccurate response (IDR), and poor serological response (BIR). Comparing the basic clinical characteristics of the four groups, there was no difference in clinical outcomes; using receiver operating characteristic curves (ROC) curve to evaluate the value of LR in predicting ER and to determine the best predictive threshold point, further unifying multiple factors Results: There was no significant difference in sex, T stage (P 0.05). The age of group I was significantly higher than that of the other three groups (F = 6.114, P = 0.001). With the increase of LR, the clinical prognosis to ER showed a downward trend, while the BIR and SIR showed an overall upward trend. The response ER rate was significantly lower than that of the other three groups (27.8%) and was more likely to be BIR (27.80%) and SIR (11.10%) (H = 18.816, P = 0.000). LR could be an independent predictor of ER (OR = 10.011, P = 0.000). When it was 52.27%, it had a higher specificity for predicting ER (95.09%) and the area under ROC curve was 0.668 (P = 0.002). Conclusion: With the increase of LR, patients with 131I nail clearance therapy had higher specificity (OR = 10.011, P = 0.000). The LR threshold of 52.27% could be used as an independent and specific predictor of clinical outcome in patients with PTC after 131I. Part II: The predictive role of LR in the risk of distant metastasis in patients with PTC Objective: To explore the relationship between LR and DM in patients with PTC and its predictive value for DM. Methods: 162 patients with PTC were followed up. They were divided into non-DM group (M0 group) and DM group (M1 group) with 41 cases and non-DM group (M0 group) with 121 cases. The basic pathological characteristics of the two groups were compared by t test and_2 test. The significance of LR in predicting DM was evaluated by multivariate analysis. The predictive value of LR and LNs for DM was evaluated by ROC curve and the best diagnostic threshold, and Kaplan-Meier curve was further used. The cumulative risk of DM in LN and LNs was assessed by Log-rank analysis. Results: There was no significant difference in age and multifocal sex between the two groups (P 0.05). There were significant differences in male (2 = 13.039, P = 0.000), extraglandular invasion (2 = 2.941, P = 0.000) and lesion size (t = - 4.485, P = 0.000). Independent factors (OR = 1.133, P = 0.000), with the increase of LR, the risk of DM in LNs < 15 group was significantly higher than that in LNs < 15 group (P = 0.0002). Conclusion: LR can be used as an independent predictor of DM, and its combination with LNs can better predict the risk of DM. Part III: Comparing the predictive value of LR and LNs on the treatment response of patients with PTC Objective: To explore the LR and LNs in patients with PTC. The predictive value of 131I response in patients with PTC under different number of dissected LNs (DLNs) was evaluated. Methods: 384 PTC patients treated with 131I were enrolled and divided into ER, IDR, BIR and SIR after a median follow-up of 25.7 months. Results: Among the patients with DLNs < 10, the area under the ROC curve of LR was larger than that of LNs (LR: 0.687, LNs: 0.556, P = 0.02), while the area under the ROC curve of LR was smaller than that of LNs. Element analysis showed that LR (OR = 1.037, P = 0.001) and ps-Tg (OR = 1.056, P = 0.01) were independent predictors of ER when DLNs were less than 10, while LNs could not be independent predictors (OR = 0.752, P = 0.09), while LNs (OR = 1.062, P = 0.04), ps-Tg (OR = 1.071, P = 0.00) and gender (OR = 0.570, P = 0.02) were independent predictors of ER when DLNs were 10. When Ns is less than 10, LR has a good predictive value for ER, while DLNs10 and LNs are more meaningful for ER prediction.
【學位授予單位】:青島大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:R736.1
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