Keywords: Uterus, Perfusion
Motivation: Correct identification of the typical appearance of the distinct uterine corpus layers during the menstrual cycle is crucial for evaluating uterine lesions.
Goal(s): To investigate the diffusion and perfusion of uterine corpus fluctuate during menstrual cycle.
Approach: Thirty-one volunteers underwent standard pelvic IVIM-DWI in menstrual period, mid-proliferative period and mid-secretory period. The differences of D, D*, f and f ×D* among three-layer structure or different menstrual period were compared.
Results: It was found that an exacerbation of diffusion restriction, occurring from the menstrual period to the mid-secretory period, and perfusion driven by IVIM of uterine corpus was generally decreased, especially in endometrium.
Impact: Considering the menstrual status is necessary on assessment of uterine lesions. It is recommended to study uterine lesions within the same menstrual cycle.
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