Should women get mammogram at 40?

v>1,339; and the risk reduction is 14%.  One possible
interpretation is that it is acceptable to waste 1,338
Please read here the guidelines for breast cancerscreenings (1,339 — 1) but unacceptable to
screening and detection.  This can save your life!waste 1,903 (1,904 - 1).  If you are between 39 and
Breast cancer is the most common form of cancer in49 years of age, is your life worth making 1,903
women and the second leading cause of cancerother women have mammograms?  Conversely,
deaths in American women.  In 2009, approximatelywould you be willing to get a mammogram so that
194,280 patients were estimated to be diagnosedone life out of 1,904 be saved?
with invasive breast cancer, and 62,280 withThe harms of mammogram stem from
carcinoma in situ.  An estimated 40,610 would havefalse-positives, meaning an abnormality on
died of this disease.  For a woman of average risk,mammogram that turns out to not be cancer.  The
the lifetime incidence of breast cancer is one in eight.USPSTF lists pain, anxiety, return doctor visit, and
 unwarranted imaging and biopsy.  Furthermore,
In November 2009, the U.S. Preventive Servicesoverdiagnosis can happen, meaning that detecting
Task Force (USPSTF) published its recommendations:and treating that breast cancer would not make a
1) against routine screening mammography in womendifference in the woman’s lifespan.  According
aged 40 to 49 years, and 2) for every other yearto the USPSTF report, “because the likelihood that
screening mammography for women between theDCIS (ductal carcinoma in situ, a form of early breast
ages of 50 and 74 years.   The USPSTF statescancer) will progress to invasive cancer is unknown,
that the current evidence is insufficient to assess thesurgical removal — with or without adjuvant
benefits of mammography in women 75 years ortreatment — may represent overdiagnosis or
older.overtreatment.  We know that in situ cancer can
These new recommendations sent shockwavesbecome invasive cancer that is potentially lethal; we
throughout the country.  All major cancerjust don’t know when and in whom.  So if
organizations including the American Cancer Societyit’s you, would you like to leave the DCIS in
voiced their disagreements with these newyour breast and watch it grow?
government guidelines.  It is a well known fact thatThanks to the outcry from doctors and patients
screening of asymptomatic women has beenalike, the USPSTF statement is not being used to
accredited for the decline in mortality of breastdeny insurance coverage for mammogram in women
cancer.  This is particularly true for “young”aged 40 to 49 years.  The current recommendation
women, the group less than 50 years old.  Even thestill stands, and it is annual screening mammogram
USPSTF agrees that among women between 39 andstarting at age 40.  The age at which screening is
49 years of age, screening mammography results instopped should be individualized by considering the
a 15% reduction in the risk of death from breastpotential risks and benefits of screening in the
cancer.  However, 1,904 such women need to havecontext of the woman’s overall health status
mammograms to prevent one single death.  Forand longevity.
women aged 50 to 59 years, the number needed is