Cervical cancer is a disease in which cancer cells grow in the cervix. Fortunately, cervical cancer can be prevented if precancerous cell changes are detected and treated early.
The human papillomavirus (HPV) is the primary cause of nearly all cases of cervical cancer. HPV can be passed from one person to another through sexual contact. In most cases, the HPV virus is harmless and causes no symptoms. In fact, many young women who become infected with HPV are able to clear the infection through their own immune systems. However, certain high-risk types of HPV can cause cervical lesions. Over time, these may develop into cancer if untreated.
The Pap smear is used detect cancerous and precancerous cervical lesions. Unfortunately, the Pap smear has been associated with false negative rates in some cases. In a false negative, the test indicates the pap smear is normal when, in fact, there is an abnormality. Women with abnormal results need further testing.
The HPV test can be used in conjunction with the Pap test. The test determines the presence or absence of HPV and whether or not the HPV type present is the type that is associated with cancer.
The HPV test is collected similar to a Pap smear. A cervical brush or other collection device is inserted into the cervix to collect cells for testing. This sample is then sent to the lab for evaluation.
A negative result means that high-risk, cancer-causing types of HPV were not detected. Therefore, your risk of developing high-grade cervical disease before your next routine visit is extremely low.
A positive HPV result may mean an increased risk of developing cervical cancer if the precancerous type is present. In this case, further examination will be needed in order to determine whether your cervix shows pre-cancerous or cancerous changes. If no changes are detected, you will be closely monitored to make sure that any changes are detected as early as possible. If precancerous changes are detected, you should know that several highly effective treatment options are available.
General recommendations for cervical cancer screening:
Each woman has individual circumstances and risk factors. Talk to your doctor about how often you should be screened for cervical cancer.
To find out if HPV testing is right for you, be sure to ask your doctor the following questions on your next doctor visit:
American Cancer Society
National Cancer Institute
Canadian Cancer Society
Society of Obstetricians and Gynaecologists of Canada
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Human papillomavirus (HPV): Signs and symptoms. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/hpv/signs-symptoms.html. Updated January 22, 2015. Accessed February 10, 2015.
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Making sense of your Pap and HPV test results. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/std/hpv/pap/default.htm. Updated July 25, 2012. Accessed February 10, 2015.
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Pap and HPV testing. National Cancer Institute website. Available at: http://www.cancer.gov/cancertopics/factsheet/detection/Pap-HPV-testing. Updated September 9, 2014. Accessed February 10, 2015.
Schiffman M, Herrero R, et al. HPV DNA testing in cervical cancer screening: Results from women in a high-risk province of Costa Rica. JAMA. 2000;283(1):87-93.
Wright TC, Cox JT, et al. 2001 consensus guidelines for the management of women with cervical cytological abnormalities. JAMA. 2002;287:2120-2129.
Wright TC, Denny L, et al. HPV DNA testing of self-collected vaginal samples compared with cytologic screening to detect cervical cancer. JAMA. 2000;283(1):81-86.
Last reviewed February 2015 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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