'Ovarian cancer is a very difficult diagnosis ... and it really takes a very high index of suspicion to check out those symptoms , '' said Dr. Kelly Molpus
, director of gynecologic oncology with the University of Nebraska Medical Center
in Omaha. 'And only a small subset of patients with those symptoms would have ovarian cancer.''.
Candidates for screening tests include new means of translating the results of blood tests for CA 125 , a long-known tumor marker usually monitored in those whose cancers have already been diagnosed.It has long been believed not to be accurate enough to act as a screen because it misses as many as 50 percent of those that are stage I and even 20 percent of late-stage cancers.
Other common conditions , such as endometriosis and even pregnancy , can also trigger a positive result.
A blood test for lysophosphatidic acid is the most recent suggestion.
'When the screening methods are targeted to high-risk individuals , the outcome is more accurate , but it's still not to the level we'd like it to be , '' Molpus
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