Name: 新的血液檢驗能及早發現卵巢癌 (New Blood Test Detects Ovarian Cancer Early)
Uploaded: 2021-01-14T05:06:29.000Z
Duration: 2 min 7 s
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A new blood test could catch ovarian cancer in its earliest, and most treatable, stage

The new method was devised by researcher Karen Lu at the University of Texas' MD Anderson

She examined the potential of a two-stage ovarian cancer screening — the blood test,

looking for a change the tumor-marking blood protein, CA125, followed by a transvaginal

HealthDay reports that unlike breast, cervical or colon cancer, there is no reliable screen

test to detect the disease. They call it "a silent killer ... By the time a woman knows

she has it, the cancer is often advanced and the outlook grim."

Her team monitored more than 4,000 postmenopausal women over an 11-year period, with all subjects

receiving an annual CA125 blood test. They noticed that on an average nearly 5.8 percent

of women were detected with intermediate risk each year. (Via Sky News)

Based on the ultrasound exams, 10 women underwent surgery. Four had invasive ovarian cancer,

two had malignant ovarian tumors, one suffered endometrial cancer and three had benign ovarian

And while the results are being considered groundbreaking, Lu doesn't think they're practice-changing

"However, our findings suggest that using a longitudinal [or change over time] screening

strategy may be beneficial in post-menopausal women with an average risk of developing ovarian

The trial results are being published in Cancer, the journal of the American Cancer Society,

and Lu says she believes the finding will raise hopes that were dashed by a similar,

earlier study that deemed the screening unsuccessful.

According to the Centers for Disease Control and Prevention, each year about 20,000 U.S.

women are diagnosed with ovarian cancer. It is the eighth most common cancer and the fifth

leading cause of cancer death among U.S. women.

And the National Cancer Institute estimates there will be more than 22,000 new cases of

ovarian cancer in the U.S. this year, resulting in more than 14,000 deaths.

It's unknown whether the findings could be applied to younger women, but the method It's unknown whether the findings could be applied to younger women, but the method

is undergoing additional testing in the U.K. That study will involve 300,000 women, and

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