False Positives Screening Mammography

Mammography and clinical breast examination are the two principal means of screening for breast cancer.1 The effectiveness of breast-cancer screening has been well documented in eight randomized, controlled trials,2 but there has been less attention to its accuracy in community settings and to the consequences of a false positive result. A national review of community mammography facilities in the United States found that 1 of every 10 screening mammograms gave a false positive result.3 Equivalent information for clinical breast examination is not available.

If a woman undergoes annual screening beginning at the age of 40, she will have had 60 opportunities for a false positive result by the age of 70, with 30 mammograms and 30 clinical breast examinations. The cumulative lifetime risk of her having a result from a screening test that requires further workup, even though no breast cancer is present, is not known. An estimate of 25 percent has been given for the cumulative risk of a false positive result after 10 mammograms and 10 clinical breast examinations.4 It is important to determine the cumulative risk of false positive tests, because women are advised to have breast-cancer screening every one to two years over several decades of their lifetimes, and false positive results can provoke anxiety, increase costs, and cause morbidity.5-13

Using the computerized clinical records of a health maintenance organization (HMO) for a group of women over a 10-year period, we determined the cumulative risk of a false positive result of breast-cancer screening, the number and type of subsequent diagnostic workups resulting from the false positive results, and the costs of the false positive results. The HMO we studied has long encouraged women who are 40 or older to undergo routine breast-cancer screening. By studying themedical records, we ascertained the 10-year cumulative rates of false positive results for both mammography and clinical breast examination. We then determined the number of diagnostic examinations generated by the false positive results and estimated their costs.

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 http://www.nejm.org/doi/full/10.1056/NEJM199804163381601#t=article

 

Re-opening Safety Protocol Procedures Effective 9/17/2020

In an attempt to practice social distancing we will be limiting the number of patients in our waiting room at one time. Please arrive on time and without additional family members or friends. Our new schedule will be every 45 minutes giving us 30 mins for the exam and 15 minutes to clean up after patient leaves the office.

 

We are only seeing patients on days and times where the other doctors are out of the office.

 

If you are not feeling well the day of your appointment please stay home and do not come in. Call 714-363-5595 to cancel and reschedule your appointment. During this time we will not be charging for same day cancellations as long as you let us know in advance.

 

Prior to Appointment:

  1. Log on to our website at www.ocbreastwellness.com and access our appointment software by clicking SCHEDULE NOW to make sure your credit card information is updated properly in the system. We will not be handling credit cards or cash during your visit. IF you are unable to do this in advance we will have you read your credit card information to us rather than take your card to scan.
  2. Ask Questions prior to your appointment; there will be “minimal talking” during the exam(s). Call in advance if you have concerns or questions.

Upon Arrival:

 

  1. Come up to the door but do not come in until previous patient has left. A chair will be outside for your convenience.
  2. We will email you via DOCUSIGN your paperwork the day before your appointment.
  3. Bring only yourself, your keys, your cell phone & your credit card into the office. No purses, books, drinks or any other items will be allowed in the office.
  4. Please wear your mask into the office and keep it on at all times during the visit (completely covering your nose and mouth). If you don’t have one we will provide one for you.
  5. We will assess your temperature upon arrival. If your respiration is below 94 you will be sent home.

During Exam:

  1. The examiner will have the proper mask, safety goggles and gloves for protection.
  2. Remember limit talking during the breast exam. We will review your results post exam.
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