Description:

The mammary Gland is an important organ of human beingsespecially for women in form, function and
physiology. 

The mammary Gland is an important organ of human beingsespecially for women in form, function and
physiology. And there are also many diseases related to mammaryglands. Mammary cancer is one of the common
malignant tumors for women. The incidence rate of mammary cancer isgrowing continually with the
environmental change, which seriously threatens the health of manywomen. According to the recent 30 years
clinical treatment experience in China, the death rate of themammary cancer never lowers down with the change
of treatment method. On the contrary, it shows a growing trend. Themain reason is that most of the patients are in
their middle and later stage of the mammary cancer and thetreatment fails most because of cancer transference
with the blood flowing. Therefore, the early discovery of themammary cancer and in time treatment is the
important and effective way to improve the cure rate of the mammarycancer.
Near infrared diagnostic technique of the breast tumor stemmed fromthe mammography in the 1920s.
Because of the low-level science and technology condition, theapparatus was very simple and doctors had to
observe with naked eyes. Therefore the specificity and sensitivityof the diagnosis was rather low. With
development of science and technology and further understanding ofbreast tumor, people improve the specificity
and sensitivity of light transmission photography. People at firstonly used yellow light to pass through the human
body, and then analyzed and studied the waveform of different typesof light, especially the shielding effect of
human skin and found the characteristics of the red light andinfrared light of specific wavelength when it passes
through the human body. This discovery therefore set the foundationof the technique of “Near infrared diagnostic
technique of the breast tumor” together with the advanced infraredcamera system and the computer image
processing system.

The Infrared Mammary Diagnosis Apparatus of our company uses theprobe to emit the infrared rays to pass
through the mammary glands. According to the different absorbingextent of the near infrared of the haemoglobin
in the parenchyma of human body, the camera will take pictures ofthe piercing image and show clear mammary
gland image on the screen after computerized image processing so toprovide credible scientific reference for the
doctors to diagnose various benign or malignant diseases of mammaryglands in the early stage.

Requirements for infrared radiation process
The luminance of the probe should be adjusted according to the sizeof mamma. The probe is usually put under the
mamma closely pressing the skin. Keep a constant pressure andradiate in three directions: up, out, and middle
without leaking the light. Note: Choose the suitable luminance ofthe infrared light. Gray shadows and fine
changes in the focus are likely to be omitted when the light is toobright while the image appears unclear, less
layered and hard to study the situation of the focus when the lightis too dim
A desirable image should show the entire mamma over the full screenincluding the mammilla and areola
mammae. The image should be of high quality clearly showingdifferent layers and the situation of lumps and the
surrounding blood vessels. Specifically:

1. It can show clearly the condition of the focus
2. It can reflect the direction and characteristics of bloodvessels
3. It has to include the mammilla and the outline of the wholemamma if possible
Such requirements are helpful for deciding the position of thefocus and also helpful for examining the fine
changes gained through special processes such as comparison andenhancement.
Probe scan should be combined with palpation: Palpation can helpmake sure which part should be focused on
carefully in the examination in case some would be overlooked whenthere are many patients. And it can also
detect lumps at the outline of the mamma and help improve imagequality through changing the radiation direction
and angle of the camera.

Mamma comparison: Gray scale values and the condition of bloodvessels are generally similar at both
mammas of a healthy woman given the same radiation light. Theabnormal mamma usually has lower grayscale
values than the healthy one and at the same time has more bloodvessels in a massy situation.
The condition of blood vessels must be considered together withlumps. Since healthy galactophores may have
breaking blood vessels, only breaking blood vessels in lumps areindicating for diagnosis.
Infrared radiation checkup is not suitable during lactation for themamma is filled with latex and the image
gained is totally black. It is also suggested not to take checkupright before or during menses or pregnancy,
because at this time the mamma is congested and rich in dilatedblood vessels, which is likely to confuse.
For the patient who has gone through surgery and now has the locallump again, the image tends to indicate
malignant even though it is benign. Diagnosis must be made throughoverall consideration.
Like other way of examinations, the method of infrared image shouldbe assisted with clinic diagnosis to make
the decision. But sometimes this method has the advantage over theclinic diagnosis. In cases like “mammary
cancer” considered by clinic diagnosis, but not supported by theinfrared image, it turns out that infrared image is
correct which is proved by the result of surgery.