What is the risk of malignancy index (RMI) for ovarian cancer?

David A. Fishman, MD on behalf of The Mount Sinai Health System

Gynecologic Oncology

Risk of malignancy index (RMI) is a tool currently being used in women who have no symptoms of ovarian cancer. It allows patients who are more likely to have epithelial ovarian cancer to be triaged into a group that would be seen by a gynecologic oncologist compared with patients with a lower probability of malignancy. Those patients would be managed by a practitioner without advanced training.

RMI is obtained by multiplying serum cancer antigen 125 (CA125) levels in U/mL, by a score given for specific pelvic ultrasound findings, and by a score given for menopausal status.

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