In 1929 an American Surgeon, Max Cutler, was the first to show that breast cancer could be demonstrated by transmission of light through the tissues.
A subsequent study by Dr David J Watmough showed that the optical images of a cancer of the breast arose principally because of the associated angiogenesis (new blood vessels stimulated to develop by the cancer). The chaotic mass of vessels surrounding the tumour supply oxygen and nutrients to the cancer and permit accelerated tumor growth.
The Edinburgh study (3) included a total of 129 patients with palpable lesions. Of these:
- 74 patients had confirmed tumors
- 55 patients had cysts or other benign disease.
In 56 of the patients the size of the lesions was estimated by the use of callipers. Detection rates with the device were:
The Aberdeen (4) study involved 178 patients. Of these:
- 69 had normal mammograms
- 109 had abnormalities detected by mammography
- Of the latter, 95 had confirmed breast cancer
- The device detected 69 of the tumours (72%)
- Of those not detected, 8 were ductal carcinomas in average size of cancers missed was 1.1cm
Detection rates by size of tumor amongst the 95 patients were:
Of the 83 patients where no cancer was present, device detection rates were compared with mammography:
- Cutler 1929
- Watmough 1982
- Bundred et al 1985 – download a copy of the Edinburgh trial (pdf:document)
- Brittendon et al 1995 – download a copy of the Aberdeen trial (pdf:document)
Download a summary of all the clinical and user trial results (pdf:document)
Download a copy of ‘Breastlight – a novel mode of looking at breast cancer with a significant potential and an example of alternative approaches to research’ by Jayant S Vaidya and Mangesh Torat (document)
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Large Scale User Evaluation
The objectives of the study were to assess how Breastlight was used, how it affected women’s attitude to breast awareness and breast screening and to give an indication of the frequency of referrals.
What to look for
When you are looking at your breasts with Breastlight you may also see other dark areas. These could look like very dark spots or a shadowy area.
What You Will See
You will see veins & other blood vessels as dark shadow lines in your breast. Around nipple you may see circle of small dots – these are part of your mammary glands.
This picture is the example of normal healthy breast.
This picture shows Lumps found on breast.