Women still face cancer risk 25 years after treatment

	Tweet

Women are still at risk of developing invasive cancer of the cervix or vagina 25 years after being treated for pre-cancerous lesions, according to a study published today on bmj.com.

Cancer experts are now calling for cytological smears to be offered at regular intervals for at least 25 years after a woman has had severe dysplasia/CIS (carcinoma in situ).

CIS is not cancer but close to it as some cells look cancerous but are superficially in the mucosa (the soft skin-like layer that lines many body cavities such as the nasal and genital passages) and not in any tissue.

Researchers in Sweden studied data from the National Swedish Cancer Register, which included information recorded between 1958 and 2002 on 132,493 women who had a diagnosis of severe dysplasia/CIS.

They found that 881 women had developed cervical cancer and 111 women had vaginal cancer more than one year after the CIS diagnosis.

Women with such a diagnosis are more than twice as likely to develop cancer as the general female population.

They also found that there was an increasing risk of cervical cancer if the woman was older at the time of diagnosis, with a much higher risk for women aged over 50.

The risk also grew as the decades went by as the researchers found that women were twice as likely to develop invasive cervical cancer after diagnosis of CIS if that diagnosis was made in the period 1991-2000 as in the period 1958-1970. This could be due to changes in the forms of treatment in different decades.

The observed number of cases of women who developed vaginal cancer was almost seven times higher than expected

The authors say: “Although most women with high-grade dysplasia have been protected from invasive cancer it must be considered a failure of the medical service when women participate in screening, their pre-cancerous lesions are found and they subject themselves to treatment of those lesions, presumably participate in follow-up programmes and still develop invasive cancer.”

They conclude that follow-up care has, so far, been insufficient and women should be offered cytological smears at regular intervals for at least 25 years after treatment. Long term follow up should not stop for women when they reach the age of 60 if they were older than 35-40 at the time of treatment for CIS.

This view is reiterated in accompanying BMJ editorial, which suggests that women treated for CIN3 should have long term screening, even if beyond the normal age limit of regular screening.

Contact: Emma Dickinson

44-020-738-36529
BMJ-British Medical Journal

RELATED STORIES:
New DNA technique leads to a breakthrough in child cancer research   Life after chemotherapy: Daily tasks, quality of life may be affected, MU researcher finds   Smoking and hepatitis C up risk of lymphoma   People Living in Poverty at Greater Risk of Dying from Cancer   Liver transplant recipients almost 3 times more likely to develop cancer   Biomedical engineers use electric pulses to destroy cancer cells   Americans “bombarded” with cancer causes - report   Smart bomb drug zaps cancer cells in mice   The solitary pulmonary nodule - malignant or benign?   Vitamin D Reduces Cancer Risk   Physics, Math Provide Clues to Unraveling Cancer   Potential New Therapeutic Molecular Target to Fight Cancer   Post-cancer treatment needs go unmet in some   Cancer centers and high-volume hospitals may examine more lymph nodes in cancer patients   Telephone Calls Increase Cancer Screening Rates   New technique can be breakthrough for early cancer diagnosis   Bacteria could make new library of cancer drugs that are too complex to create artificially   Cell Path Overdrive Prevents Cancer Response to Diet Restriction   Study reveals differences in cancer stage presentation between rural and urban patients   Many cancer survivors still smoking and drinking   Personality not linked to cancer risk or prognosis   Scientists may be able to double efficacy of radiation therapy

Comments

[ + Post Your Own ]

Now you're in the public comment zone. What follows is not Armenian Medical Network's stuff; it comes from other people and we don't vouch for it. A reminder: By using this Web site you agree to accept our Terms of Service. Click here to read the Rules of Engagement.

There are no comments for this entry yet. [ + Comment here + ]