The global breast density conversation: Meet one woman driving change in the United Kingdom

by Cheryl Cruwys

30 May 2016 -  Limoges, France
Almost one year ago, I attended my first ever mammogram examination.  With no family history of cancer, having never smoked cigarettes, eating a healthy diet and being of average weight, I was confident that I would receive a 'normal' mammogram result. The radiologist completed the mammogram; indeed, 'normal' - no abnormalities. However, I was directed to the next room where I received an ultrasound examination.  A small shadow was detected on my left breast, perhaps no reason for concern, maybe a cyst? An appointment was booked for a biopsy. One week later, I was diagnosed with breast cancer - an 8mm Invasive Ductal Carcinoma (or IDC).

Early Detection
Apparently I was lucky!  Of course, to be diagnosed with cancer was a huge shock. However, what was clear was that without supplemental screening ultrasound, my tumour would not have been detected.  Unfortunately, ultrasound is not offered in the national screening programme in the UK unless a woman presents symptoms.  My next screening mammogram would have been 3 years on and the outcome would likely have been quite different.  

Knowledge is Power
Immediately I began to research IDC.  I needed to educate myself.  As a retired teacher, I wanted to learn all about breast cancer.  I was surprised and fascinated to discover the issue of dense breasts.

Why Does Breast Density Matter?
I discovered that breasts are made up of glandular and fatty tissue and whilst dense breasts are not abnormal, mammography is not as effective detecting cancers in women with highly dense breast tissue.  On a mammogram image, dense tissue appears white, but so does cancer, almost like a fog.  Cancers can go undetected and sometimes women are diagnosed later with interval cancers at a more advanced stage which require more treatment.

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