CA 125, PET alone, PET-CT, CT and MRI in diagnosing recurrent ovarian carcinoma: a systematic review and meta-analysis.

Ovarian cancer is the commonest tumor in female patients with a propensity for recurrence even after primary chemotherapy in early stage. The accuracy of CA 125, PET alone, PET-CT, CT and MRI in diagnosing the recurrent ovarian carcinoma has never been systematically assessed, and present systematic review was aimed at this issue.