The Value of Diffusion-Weighted Imaging in Predicting the Prognosis of Stage IB-IIA Cervical Squamous Cell Carcinoma After Radical Hysterectomy

International Journal of Gynecological Cancer : Official Journal of the International Gynecological Cancer Society
Guoxing ZhouZhongqiu Wang

Abstract

The aim of the study was to investigate the value of mean apparent diffusion coefficient (ADC(mean)) value in predicting the prognosis of stage IB-IIA cervical squamous cell carcinoma (SCC) patients after radical hysterectomy. A total of 126 patients who were with stage IB-IIA cervical SCC and underwent magnetic resonance imaging examination and radical hysterectomy were retrospectively investigated. Receiver operating characteristic curve was used to determine the cutoff values of ADC(mean) for predicting earlier recurrence (2 consecutive increases in the SCC antigen value of more than 1 ng/mL or elevation of greater than 1.5 ng/mL). Disease-free survival and overall survival were analyzed using the Kaplan-Meier method, and differences between the survival curves were examined using the log-rank test. Earlier recurrence was observed in 46 patients (36.2%) during a median follow-up of 22 months. The ADC(mean) value (P = 0.005), parametrial invasion (P = 0.049), and lymphovascular space invasion (P = 0.037) were significantly associated with earlier recurrence. Receiver operating characteristic curve identified that the cutoff value of ADC(mean) for predicting earlier recurrence was 0.785 × 10(-3)mm(2)/s. The ADC(mean) value, pa...Continue Reading

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