Suspected of having ovarian cancer (ovarian cancer), first a gynecological examination, in particular, the ovaries are scanned and made one ultrasound examination of the abdomen and the vagina. Further evidence, in terms of tumor spread may provide one computer - and magnetic resonance imaging. With absolute certainty, the diagnosis can be made only through a microscope at the surgically removed tumor tissue.

Before initiation of treatment in the blood cell-specific proteins (tumor markers), as determined CA 125,. These tumor markers are less important for the initial diagnosis, they serve rather to control the disease progression after completion of therapy. Increases its value, this indicates a tumor recurrence or a metastasis. Distant metastases are excluded by specific investigations, such as a computed tomography of chest and abdominal or bone scintigraphy.