Symptoms of ovarian cancer are concealed, it is difficult to diagnose early, and the mortality rate is very high. DKI imaging can sensitively detect microstructure changes in tumor tissue and help preoperative assessment of Ki67 expression. This paper aims to study the correlation between Ki67 expression and DKI in ovarian cancer. The results show that the MK, Ka, Kr, MD, Da and Dr values in the DKI parameters have obvious correlation with Ki-67 expressions, and that the MK, Ka, and Kr values in DKI parameters were positive correlation with Ki-67 expression levels, and the difference was statistically significant.
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