Forms of Breast Cancer - Causes,Symptoms,Diagnosis,Treatment,Analysis,disease

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Saturday, 25.03.2017, 00:53
Main » Mammology » Forms of Breast Cancer 
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Forms of Breast Cancer


Forms of Breast Cancer

Breast cancer - it is predominantly adenocarcinoma - that is, cancer of the glandular tissue. Ductal cancer can be, when the tumor starts to grow inside the ducts of the mammary glands and lobular (lobular, from Lat. Lobula - slice).


These forms can be infiltrative, ie, when the tumor invades the tissue, and neinfiltrativnymi, that is, when the tumor tissue did not germinate and grow into the lumen, such as duct.

Papillary cancer. It is a noninvasive form of breast cancer, which is characterized by the fact that the tumor is growing in the lumen of the duct of the breast. This is the formation of low-grade malignancy. The frequency of this form among all other forms of breast cancer is about 1%.

Medullary cancer. This form occurs in the form of a large volume of the tumor and is characterized by low invasiveness, that is pronikaemostyu to neighboring tissues and organs. The frequency of it - 5 - 10%.

Inflammatory cancer. This form of breast cancer is similar in its manifestations of inflammation of the breast - mastitis. It is manifested reddening of the skin over the breast, seal it, in addition, there is an increase in body temperature. It also occurs in 5 - 10% of cases.

Infiltrating ductal carcinoma. This is the most common form of breast cancer (70%). In this case the tumor invades adjacent organs in the form of cords and nests.

Paget's cancer (cancer of the nipple and areola of the breast). This is another form of breast cancer. In this form of lesion is characterized by the nipple, resembling eczema (an allergic skin disease).


Estrogen Receptor Status


Erts-positive tumors are more common in postmenopausal women. About 60 - 70% of primary breast cancers characterized by the presence of estrogen receptors.

Erts-negative tumors are more common in premenopausal patients.

One of the important factors that characterize malignant tumor, including breast cancer - is its invasiveness, that is, the ability to grow adjacent organs and tissues.

Invasive cancer is characterized by the fact that the tumor extends beyond the duct of the breast or outside it slices and sprouts are normal, unaffected tissue cancer. From this setting of the tumor - it invasive or noninvasive - depends on the tactics of the treatment, its size, the possible effect.

Invasive (also called - infiltrative) cancer initially starts to grow and destroy the surrounding normal tissue. Invasive cancer, in contrast to non-invasive, can be transported through the blood and lymph vessels to other parts of the body.


Noninvasive cancer may be limited within the ducts or lobules of breast cancer, did not germinate in normal tissues and other organs. However, invasive tumors can grow in size or, worse yet, go to invasive cancer.



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